Re: [PHP] Is select_db necessary?

[Paul M Foster]

On Tue, Aug 11, 2009 at 08:23:21PM -0700, Allen McCabe wrote:

> I have seen different scripts for working with SQL, and most follow the same
> method with on difference.
> 
> Variables are defined (host, password, etc.)
> mysql_connect command
> 
> //then, the difference
> 
> mysql_select_db command
> 
> //back to common
> 
> $sql = "SELECT ... "
> $result = mysql_query($ql)
> 
> Is the database selection necessary, or is that implied with a SELECT or
> other SQL command?

All major SQL DBMSes can have multiple databases available. A given
database may contain a variety of tables. If you simply start firing SQL
commands at a DBMS, it won't know which database to look in unless you
tell it. By contrast, the connection process in PostgreSQL must include
a database; there is no separate database selection function call.

Paul

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[PHP] Is select_db necessary?

[Allen McCabe]

I have seen different scripts for working with SQL, and most follow the same
method with on difference.

Variables are defined (host, password, etc.)
mysql_connect command

//then, the difference

mysql_select_db command

//back to common

$sql = "SELECT ... "
$result = mysql_query($ql)

Is the database selection necessary, or is that implied with a SELECT or
other SQL command?

[PHP] is there any way to get realpath cache hit ratio of php?

[Peter Wang]

hi,

Is there any way to get realpath cache hit ratio of php?


realpath_cache_size integer

Determines the size of the realpath cache to be used by PHP. This
value should be increased on systems where PHP opens many files, to
reflect the quantity of the file operations performed.

realpath_cache_ttl integer

Duration of time (in seconds) for which to cache realpath information
for a given file or directory. For systems with rarely changing files,
consider increasing the value.

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Re: [PHP] Calendar Problem

[Paul M Foster]

On Tue, Aug 11, 2009 at 03:53:58PM -0400, tedd wrote:

> Hi gang:
>
> I want to show the dates for all Fridays +-30 days from a specific date.
>
> For example, given today's date (8/11/2009) the Fridays that fall
> +-30 days are July 17, July 24, July 31, Aug 7, Aug 14, Aug 21, Aug
> 28, and Sept 4.
>
> I'm curious, how would you guys solve this?

Convert to julian days, then add or subtract days as desired. Then
convert back to gregorian.

Paul

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RE: [PHP] how to say "inverse your value" (to a boolean)?

[Daevid Vincent]

 

> -Original Message-
> Daevid Vincent wrote:
> > NO! For the love of God and all that is holy, don't do that 
> accumulator / mod "hack". 
> > That's so 1980's. And why make the CPU do all that math 
> for every row...
> > 
> > Just do this. It's quick and simple:
> > 
> > CSS:
> > .dataRow1 { background-color: #DFDFDF; }
> > .dataRow2 { background-color: #FF; }
> > 
> > foreach ($foo_array as $foo) {
> >?> ?>"> > ?> 
> Wow, were to start with all the problems in the above code:
> 1.  Short tags?

Nothing wrong with them. Do yourself a test. There is zero speed difference
in a page. It makes your code cleaner and easier to read, plus less
kilobytes you have to pull from the hard drive, therefore faster pages.

http://stackoverflow.com/questions/662891/is-there-a-speed-difference-betwee
n-php-echo-var-and-var

http://cubicspot.blogspot.com/2009/06/maximum-failure-php-6-deprecates-short
.html

Are you sure you're not confused with "short_open_tags" ie.  -- which I
am fully against (as am I against <% %> too), although sadly they are lumped
into the same directive, when IMHO they should be separate.

http://us.php.net/manual/en/ini.core.php#ini.short-open-tag

http://www.php.net/~derick/meeting-notes.html#remove-support-for-and-script-
language-php-and-add-php-var

> 2.  Not using echo or print.  

 is a fantastic shortcut to the antiquated  B.S.
The vast majority of your page is output in little fragments like this, so
why not keep it clean and easy to read. Why would you purposely choose to be
more verbose than you need to be for something as basic as "print".

> You actually recommend breaking in/out of php?

Hell yeah I do. THAT is one of the MAIN reasons to use PHP. Otherwise, why
not just render your whole page with a bunch of $html .= '...';
tags and print $html at the end. Welcome to the year 2000 my friend.

You're probably the same kind of person that does this crap:

if ($foo == true)
{
   echo "A";
}
else
{
   echo "B";
}

(complete with extra braces and checking for 'true' explicitly, but not
using === in such cases)

Rather than a much cleaner, easier to read/write and more concise:

 


> 3.  Using uninitialized variables (I run with the E_ALL crowd)

I'm so happy for you. Do you have a membership card and everything? That's
your own masochistic fault then. I run with the
save-myself-the-headache-and-write-clean-efficient-code crowd.

> 4.  Using the  and not the ...  Hmmm

Maybe you're new to how HTML works, but if you want to highlight a ROW (as
the OP did), then you put the background color on the highest parent that it
applies to. Hey imagine that, there is a TR tag which stands for TABLE ROW
tag. Seems obvious to me. This reduces your page size in kilobytes, makes a
much cleaner HTML rendering to read in source, and is the PROPER way to do
it.

> > }
> > 
> > No need to initialize $dr as by default PHP will make it a 
> boolean "false",
> > then each itteration, it will toggle true/false and 
> substitute the CSS class
> > 
> >> -Original Message-
> >> From: Jim Lucas [mailto:li...@cmsws.com] 
> >> Sent: Monday, August 10, 2009 4:03 PM
> >> To: John Butler
> >> Cc: PHP-General List
> >> Subject: Re: [PHP] how to say "inverse your value" (to a boolean)?
> >>
> >> John Butler wrote:
> >>> quick Q:
> >>> I have this inside a foreach{}  that I want to alternate 
> >> between on and
> >>> off so I can alternate the background-color of my 's.
> >>>
> >>> $tableRowBGcolorBoolCounter != $tableRowBGcolorBoolCounter; 
> >> //-boolean
> >>> on and off
> >>>
> >>> I am looking thru' docs and books, but can't remember (nor 
> >> find now) in
> >>> PHP how to say "inverse your value" (to a boolean).
> >>> ?
> >>>
> >>> TIA! -G
> >>>
> >>>
> >>  >>
> >> $arr = range(1, 10);
> >>
> >> $i = 0;
> >> foreach ( $arr AS $row ) {
> >>
> >>$row_color = ( ( $i++ % 2 ) ? 'green' : 'red');
> >>
> >>echo $row_color;
> >>
> >> }
> >>
> >> ?>
> >>
> 
> another (neat|strange)+ way I use the above is like so
> 
> 
>   .rowColor0 { background: #FF; }
>   .rowColor1,
>   .rowColor3 { background: #EE; }
>   .rowColor2 { background: #DD; }
> 
>  
> $arr = range(1, 10);
> 
> $i = 0;
> 
> foreach ( $arr AS $row ) {
> 
>   echo ''.$row.'';
> 
> }
> ?>
> 
> >>
> >> -- 
> >> PHP General Mailing List (http://www.php.net/)
> >> To unsubscribe, visit: http://www.php.net/unsub.php
> >>
> > 
> > 
> 
> 
> -- 
> Jim Lucas
> 
> "Some men are born to greatness, some achieve greatness,
> and some have greatness thrust upon them."
> 
> Twelfth Night, Act II, Scene V
>  by William Shakespeare
> 


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[PHP] Re: Calendar Problem

[Shawn McKenzie]

Shawn McKenzie wrote:
> tedd wrote:
>> Hi gang:
>>
>> I want to show the dates for all Fridays +-30 days from a specific date.
>>
>> For example, given today's date (8/11/2009) the Fridays that fall +-30
>> days are July 17, July 24, July 31, Aug 7, Aug 14, Aug 21, Aug 28, and
>> Sept 4.
>>
>> I'm curious, how would you guys solve this?
>>
>> Cheers,
>>
>> tedd
> 
> Lots of ways to skin that cat, here is one:
> 
> $date = time(); //or whenever
> $start = strtotime('-30 days', $date);
> $end = strtotime('+30 days', $date);
> 
> $next = $start;
> while(($next = strtotime('Next Friday', $next)) <= $end) {
>   echo date("F j, Y", $next)."\n";
> }
> 

I must be bored:

for($next = strtotime('-30 days');
$next <= strtotime('+30 days');
$next = strtotime('Next Friday', $next))
{
echo date("F j, Y", $next)."\n";
}

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Re: [PHP] Calendar Problem

[Robert Cummings]

Jim Lucas wrote:

Robert Cummings wrote:

tedd wrote:

Hi gang:

I want to show the dates for all Fridays +-30 days from a specific date.

For example, given today's date (8/11/2009) the Fridays that fall +-30
days are July 17, July 24, July 31, Aug 7, Aug 14, Aug 21, Aug 28, and
Sept 4.

I'm curious, how would you guys solve this?



man, please use some parenthesis...

my translation of the above would be the following:

$mod = (($i < 0) ? $i : ('+'.$i));

would that be correct?


Yes... in a superfluous hold-my-hand sort of way :)

Cheers,
Rob.
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Re: [PHP] Calendar Problem

[Jim Lucas]

Robert Cummings wrote:
> tedd wrote:
>> Hi gang:
>>
>> I want to show the dates for all Fridays +-30 days from a specific date.
>>
>> For example, given today's date (8/11/2009) the Fridays that fall +-30
>> days are July 17, July 24, July 31, Aug 7, Aug 14, Aug 21, Aug 28, and
>> Sept 4.
>>
>> I'm curious, how would you guys solve this?
> 
>  
> $fridays = array();
> for( $i = -30; $i <= 30; $i++ )
> {
> $mod = $i < 0 ? $i : '+'.$i;

man, please use some parenthesis...

my translation of the above would be the following:

$mod = (($i < 0) ? $i : ('+'.$i));

would that be correct?

> 
> $time = strtotime( $mod.' day' );
> 
> if( date( 'D', $time ) == 'Fri' )
> {
> $fridays[] = date( 'Y-m-d', $time );
> }
> }
> 
> print_r( $fridays );
> 
> ?>
> 
> Cheers,
> Rob.



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[PHP] Re: Calendar Problem

[Shawn McKenzie]

tedd wrote:
> Hi gang:
> 
> I want to show the dates for all Fridays +-30 days from a specific date.
> 
> For example, given today's date (8/11/2009) the Fridays that fall +-30
> days are July 17, July 24, July 31, Aug 7, Aug 14, Aug 21, Aug 28, and
> Sept 4.
> 
> I'm curious, how would you guys solve this?
> 
> Cheers,
> 
> tedd

Lots of ways to skin that cat, here is one:

$date = time(); //or whenever
$start = strtotime('-30 days', $date);
$end = strtotime('+30 days', $date);

$next = $start;
while(($next = strtotime('Next Friday', $next)) <= $end) {
echo date("F j, Y", $next)."\n";
}

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Re: [PHP] Embedding foreach loops

[Robert Cummings]

Let me be the first to welcome you to the list!!!



Rick Duval wrote:

OK, first guys, I'm sorry to have to do this but I can't get off this list!!!

I've followed the instructions on a couple of occasions (the ones at
the bottom of every email):

PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php


Been There, done that. I can't get off the list!!! I use Gmail and I
use an an alias as well, tried them both, still on the list. No reply
from Majordomo.

Yes, I've check my spam filter for a unsubscribe confirmation (if it
sends one which I presume it's supposed to).

Headers tell me that this list is "php-general@lists.php.net". Sent
the unsubscribe emails. No replies.

Again. I apologize but have no idea what to do to get off this list!
THis is the only list server I can't seem to get off of.

Help!


On Mon, Aug 10, 2009 at 6:04 PM, John
Butler wrote:

I can't seem to get my foreach loops to work, will PHP parse embedded
loops?

yes.


Is this something I need to have in a database to work?

no, you can do it with the arrays...  but it may be easier to work with over
the long run if that data was in a db.

Anyway right after you finish creating the array and it's embedded arrays,
in your code, then add this:
var_dump($shows); //--so you can see what you just created.  If it looks
right, THEN go on bothering to try and parse it with your (embedded)
foreach's {


John Butler (Govinda)
govinda.webdnat...@gmail.com




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Re: [PHP] Embedding foreach loops

[Rick Duval]

OK, first guys, I'm sorry to have to do this but I can't get off this list!!!

I've followed the instructions on a couple of occasions (the ones at
the bottom of every email):
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php

Been There, done that. I can't get off the list!!! I use Gmail and I
use an an alias as well, tried them both, still on the list. No reply
from Majordomo.

Yes, I've check my spam filter for a unsubscribe confirmation (if it
sends one which I presume it's supposed to).

Headers tell me that this list is "php-general@lists.php.net". Sent
the unsubscribe emails. No replies.

Again. I apologize but have no idea what to do to get off this list!
THis is the only list server I can't seem to get off of.

Help!


On Mon, Aug 10, 2009 at 6:04 PM, John
Butler wrote:
>> I can't seem to get my foreach loops to work, will PHP parse embedded
>> loops?
>
> yes.
>
>> Is this something I need to have in a database to work?
>
> no, you can do it with the arrays...  but it may be easier to work with over
> the long run if that data was in a db.
>
> Anyway right after you finish creating the array and it's embedded arrays,
> in your code, then add this:
> var_dump($shows); //--so you can see what you just created.  If it looks
> right, THEN go on bothering to try and parse it with your (embedded)
> foreach's {
>
> 
> John Butler (Govinda)
> govinda.webdnat...@gmail.com
>
>
>
>
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Re: [PHP] how to say "inverse your value" (to a boolean)?

[John Butler]

He's pointing out a typo... "forearch" instead of "foreach" :)


LOL!

I almost always miss the jokes.

Thanks for the smiley face to get my (lighter) attention ;-)

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Re: [PHP] how to say "inverse your value" (to a boolean)?

[Robert Cummings]

John Butler wrote:

What a lot of good ideas spawned from the OP!
I am learning many things,.. while also actually working (paying  
bills), so I regularly have to just go with what I know well.


Anyway, I already have the forearch { loop (for other reasons it is  
necessary), and I only needed one color to alternate with the  
default white..  so I used this:


forearch { ...
$tableRowBGcolorBoolCounter = !$tableRowBGcolorBoolCounter; //- 
boolean on and off


(which then sticks in one CSS class or another for that .

thanks for everyone's feedback.
-John

Yeah, but forearch ain't going to work.



what do you mean?  I must have neglected to include more of the  
relevant code to show you that it IS working just fine.   I will  
certainly explain more if you ask..  but the whole point of me  
starting the thread was just to be reminded how to inverse a boolean  
var's value.  Tony answered me; I am happy.   I assume you don't want  
me (the newbie) to show how I have it working. (?)


He's pointing out a typo... "forearch" instead of "foreach" :)

Cheers,
Rob.
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Re: [PHP] how to say "inverse your value" (to a boolean)?

[John Butler]

What a lot of good ideas spawned from the OP!
I am learning many things,.. while also actually working (paying  
bills), so I regularly have to just go with what I know well.


Anyway, I already have the forearch { loop (for other reasons it is  
necessary), and I only needed one color to alternate with the  
default white..  so I used this:


forearch { ...
$tableRowBGcolorBoolCounter = !$tableRowBGcolorBoolCounter; //- 
boolean on and off


(which then sticks in one CSS class or another for that .

thanks for everyone's feedback.
-John


Yeah, but forearch ain't going to work.



what do you mean?  I must have neglected to include more of the  
relevant code to show you that it IS working just fine.   I will  
certainly explain more if you ask..  but the whole point of me  
starting the thread was just to be reminded how to inverse a boolean  
var's value.  Tony answered me; I am happy.   I assume you don't want  
me (the newbie) to show how I have it working. (?)



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Re: [PHP] Calendar Problem

[Robert Cummings]

tedd wrote:

Hi gang:

I want to show the dates for all Fridays +-30 days from a specific date.

For example, given today's date (8/11/2009) the Fridays that fall 
+-30 days are July 17, July 24, July 31, Aug 7, Aug 14, Aug 21, Aug 
28, and Sept 4.


I'm curious, how would you guys solve this?




Cheers,
Rob.
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Re: [PHP] Embedding foreach loops

[John Butler]

Allen, you off and running again?


Sure am, thanks, on to the next set of issues. Seems like  
programming is always moving on from one error to the next :)


Currently, I am having trouble with echo and php line-returns.

It works on one part of the code, but not on another (instead,  
prints it to html).


For example:

[code]

$show[show_01][price] * $show_01_qty = $Total_show_01;
 echo "\n\n\t";
 echo "a".$show[show_01][price]."/n/t*/n/tb". 
$show_01_qty."/n/t=\n\tc".$Total_show_01."";

 echo "\n";

[/code]

outputs this html

[code]


   a/n/t*/n/tb/n/t=
   c


[/code]
Additionally, it won't display the variables, as you can see, even  
though they will echo out further above in the document. Odd...



well you escape a newline char with this slash:
\
and not this one:
/
notice you were not consistent with your use of them.
as for the array not being parsed inside your echo statement -  I  
don't see the issue by looking now.  Are you saying the EXACT same  
code does output the expected value for those array elements higher up  
the script?  Show us the code where it is working and again where it  
is not..  side by side (pasted just after each other in a new post to  
the list).


I assume you are past this next point, but always remember
var_dump($myArray);
is your friend.  Put it just before where you try to echo out some  
part of the array..  check to be sure the value is there is that  
element of the multi-dimensional array the way you think it is.


-John

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Re: [PHP] how to say "inverse your value" (to a boolean)?

[tedd]

At 1:53 PM -0600 8/11/09, John Butler wrote:

What a lot of good ideas spawned from the OP!
I am learning many things,.. while also actually working (paying 
bills), so I regularly have to just go with what I know well.


Anyway, I already have the forearch { loop (for other reasons it is 
necessary), and I only needed one color to alternate with the 
default white..  so I used this:


 forearch { ...
$tableRowBGcolorBoolCounter = !$tableRowBGcolorBoolCounter; 
//-boolean on and off


(which then sticks in one CSS class or another for that .

thanks for everyone's feedback.
-John


Yeah, but forearch ain't going to work.

Cheers,

tedd

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Re: [PHP] Embedding foreach loops

[Eddie Drapkin]

On Tue, Aug 11, 2009 at 3:56 PM, tedd wrote:
> At 12:44 PM -0700 8/11/09, Ben Dunlap wrote:
>>
>> This is probably flame-war tinder, so I'll try to tread more delicately in
>> the future. Next you know we'll be on the ternary operator and which is
>> better, Mac or Windows. ;-)
>>
>> Ben
>
> That was won long ago, it's Mac. :-)
>
> Cheers,
>
> tedd
>
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>
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>
>

If by Mac you mean Linux, you're entirely correct.

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Re: [PHP] Embedding foreach loops

[tedd]

At 12:44 PM -0700 8/11/09, Ben Dunlap wrote:

This is probably flame-war tinder, so I'll try to tread more delicately in
the future. Next you know we'll be on the ternary operator and which is
better, Mac or Windows. ;-)

Ben


That was won long ago, it's Mac. :-)

Cheers,

tedd

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[PHP] Calendar Problem

[tedd]

Hi gang:

I want to show the dates for all Fridays +-30 days from a specific date.

For example, given today's date (8/11/2009) the Fridays that fall 
+-30 days are July 17, July 24, July 31, Aug 7, Aug 14, Aug 21, Aug 
28, and Sept 4.


I'm curious, how would you guys solve this?

Cheers,

tedd
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Re: [PHP] how to say "inverse your value" (to a boolean)?

[John Butler]

What a lot of good ideas spawned from the OP!
I am learning many things,.. while also actually working (paying  
bills), so I regularly have to just go with what I know well.


Anyway, I already have the forearch { loop (for other reasons it is  
necessary), and I only needed one color to alternate with the default  
white..  so I used this:


 forearch { ...
$tableRowBGcolorBoolCounter = !$tableRowBGcolorBoolCounter; //-boolean  
on and off


(which then sticks in one CSS class or another for that .

thanks for everyone's feedback.
-John

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Re: [PHP] Embedding foreach loops

[Ben Dunlap]

> statements, it becomes unmaintainable very quickly, use a templating
>>> language, ether with a framework(recomended) or standalone.
>>>
>>
>>
>> But he /is/ using a templating language... PHP. ;-)
>>
>
> Keep telling yourself that... and be sure to pat your own back.
>

I'm sure there are plenty of situations that call for a more focused
templating system than the one that PHP already is. And there are plenty
that don't.

>From the earlier content of this thread, I suspect the problem the OP is
currently working on falls into the latter camp. Didn't mean to bash
templating systems.

This is probably flame-war tinder, so I'll try to tread more delicately in
the future. Next you know we'll be on the ternary operator and which is
better, Mac or Windows. ;-)

Ben

Re: [PHP] how to say "inverse your value" (to a boolean)?

[Ben Dunlap]

> # before was $styles = array( 'even', 'odd' );
>>> # after new requirements it is...
>>> $styles = array( 'white', 'white', 'gray' );
>>> foreach($items as $item)
>>> {
>>> printf( '%s', current( $styles ), $item );
>>>
>>> next( $styles ) or  reset( $styles );
>>> }
>>>
>>>
>>>  +5000. I think is by far the most readable and flexible solution
>> suggested.
>> I also like it because it's PHPish -- it uses the features of the language
>> that were made-to-order for this problem.
>>
>
> Actually it's the wrong way to do it.
>
> Change the class names to "alternate1" and "alternate2" (or something else
> meaningful without being tied to a definition). That way when you set the
> colour for style "white" to "green" it doesn't result in confusion.
> Seriously though... this is nomenclature 101.


Good point, and thanks for the presentation-vs-content reality check. I'll
downgrade my vote to a more sober +4990, in consideration of the class names
in $styles.

Ben

Re: [PHP] Embedding foreach loops

[hessiess]

>
> On Aug 11, 2009, at 12:13 AM, hessi...@hessiess.com wrote:
>
>> Do *NOT* get into the habit of outputting your HTML using echo or
>> print
>> statements, it becomes unmaintainable very quickly, use a templating
>> language, ether with a framework(recomended) or standalone.
>
> This sounds interesting.  Could you expound on this a little
more and
> perhaps list a couple of the templates you mention?
>
> Thanks,
> Frank
>

There are a number of options for templating in PHP such as smarty, Dwoo
and PHP itself, though the syntax can be rather messy. Personally I just
use a simple find and replace macro system to expand custom short-hand
code into the more verbose PHP, then run it through exec and capture the
result to a variable with output buffering, the class folows:

str = fread($fh, filesize($tplname));
fclose($fh);

$this->expand_macros();
}

/*++
 * Run the template and return a variable
++*/
public function parse_to_variable($array = array())
{
extract($array);

ob_start();
eval($this->str);
$result = ob_get_contents();
ob_end_clean();
return $result;
}

/*++
* Expand macros into PHP
++*/
private function expand_macros()
{
// Expand if macro
$this->str = str_replace("str);
$this->str = str_replace("", "", $this->str);

// Expand loop macro
$this->str = str_replace("str);
$this->str = str_replace("", "",
$this->str);

// Expand display macro
$this->str = str_replace("str);

// Expand end tag macro
$this->str = str_replace("~>", "?>", $this->str);

// Add PHP close tag to exit PHP mode
$this->str = "?>" . $this->str;
}
}


This loads template files like the folowing:


Upload new file, max size :








Filename
Link
Size (KB)
Delete






Link

X




---
And it can be used like this

$dialogue = new view("template/file_display.tpl");
$dialogue = $dialogue -> parse_to_variable(array(
'upload_url' => $upload_url,
'max' => $max_size,
'files' => $files));

the $dialogue var now contains the compiled template, ready for displaying
or integrating into another template.


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Re: [PHP] Embedding foreach loops

[Robert Cummings]

Ben Dunlap wrote:

statements, it becomes unmaintainable very quickly, use a templating
language, ether with a framework(recomended) or standalone.



But he /is/ using a templating language... PHP. ;-)


Keep telling yourself that... and be sure to pat your own back.

Cheers,
Rob.
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Application and Templating Framework for PHP

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Re: [PHP] Image Headers break when image is out of bounds

[Ashley Sheridan]

On Tue, 2009-08-11 at 11:54 -0700, Ben Dunlap wrote:
> On Tue, Aug 11, 2009 at 11:52 AM, Ben Dunlap
>  wrote:
> 
> @Adam
> 
> The headers_sent() wasa  test to ensure that no other
> data was creeping
> into the headers before I wanted it to. Keeping it in
> does no harm, as
> it is basically saying, if there are no headers that
> have been sent,
> send the correct ones for the image.
> 
> But if there are headers that have been sent, it sounds like
> they would not have been the correct ones. Which I think would
> cause exactly the problem you're describing.
> 
> Ben
> 
> 
> Oops, looked back at your earlier post and it sounds like you only
> send the image inside the "if(!headers_sent())" block. Never mind, pls
> disregard my earlier noise.
> 
> Ben

Well, this will teach me to pay more attention. Turns out, I was
attempting to output the image before the headers! It was a red herring
that the image was displaying correctly when  the drawing commands were
all inside of the image area. It's probably more of a feature of Fx to
try and recognise the content it's been sent if it can?


Thanks,
Ash
http://www.ashleysheridan.co.uk


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Re: [PHP] how to say "inverse your value" (to a boolean)?

[Robert Cummings]

Ben Dunlap wrote:

# before was $styles = array( 'even', 'odd' );
# after new requirements it is...
$styles = array( 'white', 'white', 'gray' );
foreach($items as $item)
{
printf( '%s', current( $styles ), $item );

next( $styles ) or  reset( $styles );
}



+5000. I think is by far the most readable and flexible solution suggested.
I also like it because it's PHPish -- it uses the features of the language
that were made-to-order for this problem.


Actually it's the wrong way to do it.

Change the class names to "alternate1" and "alternate2" (or something 
else meaningful without being tied to a definition). That way when you 
set the colour for style "white" to "green" it doesn't result in 
confusion. Seriously though... this is nomenclature 101.


Cheers,
Rob.
--
http://www.interjinn.com
Application and Templating Framework for PHP

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Re: [PHP] Image Headers break when image is out of bounds

[Ben Dunlap]

On Tue, Aug 11, 2009 at 11:52 AM, Ben Dunlap wrote:

>
> @Adam
>> The headers_sent() wasa  test to ensure that no other data was creeping
>> into the headers before I wanted it to. Keeping it in does no harm, as
>> it is basically saying, if there are no headers that have been sent,
>> send the correct ones for the image.
>
>
> But if there are headers that have been sent, it sounds like they would not
> have been the correct ones. Which I think would cause exactly the problem
> you're describing.
>
> Ben
>
> Oops, looked back at your earlier post and it sounds like you only send the
image inside the "if(!headers_sent())" block. Never mind, pls disregard my
earlier noise.

Ben

Re: [PHP] Image Headers break when image is out of bounds

[Ben Dunlap]

> @Adam
> The headers_sent() wasa  test to ensure that no other data was creeping
> into the headers before I wanted it to. Keeping it in does no harm, as
> it is basically saying, if there are no headers that have been sent,
> send the correct ones for the image.


But if there are headers that have been sent, it sounds like they would not
have been the correct ones. Which I think would cause exactly the problem
you're describing.

Ben

Re: [PHP] Image Headers break when image is out of bounds

[Ashley Sheridan]

On Tue, 2009-08-11 at 13:29 -0500, Adam Shannon wrote:
> On Tue, Aug 11, 2009 at 1:08 PM, Ashley Sheridan
> wrote:
> 
> > On Tue, 2009-08-11 at 19:02 +0100, Ashley Sheridan wrote:
> > > I've got a bit of a weird one here. I'm using PHP to output an image.
> > > This works fine when I output as a file, but when I try to feed it
> > > directly to the browser it fills the screen with random characters.
> > >
> > > I know I've got the headers right, as it works some of the time. The
> > > only thing I can spot when it does fail is that some of the image
> > > drawing commands are essentially drawing off the edge of the image area.
> > > I've checked the error logs, and the only errors/notices I can find
> > > today are a bug in phpMyAdmin and a missing favicon file, nothing to do
> > > with this script.
> > >
> > > Has anybody ever noticed a similar problem?
> > >
> > > Thanks,
> > > Ash
> > > http://www.ashleysheridan.co.uk
> > >
> > >
> > Oh. I should note that there has been no headers sent already, as I put
> > the image output part inside of a if(!headers_sent()) block. The headers
> > I'm using for the PNG image are:
> >
> > header("Content-Type: image/png");
> > header("Pragma: no-cache");
> > header("Expires: 0");
> >
> > Thanks,
> > Ash
> > http://www.ashleysheridan.co.uk
> >
> >
> > --
> > PHP General Mailing List (http://www.php.net/)
> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
> Take the if (!headers_sent()) out and always send the headers.
> 
@Adam
The headers_sent() wasa  test to ensure that no other data was creeping
into the headers before I wanted it to. Keeping it in does no harm, as
it is basically saying, if there are no headers that have been sent,
send the correct ones for the image.

@Martin
The image is being produced by PHP. The command I'm using to output the
image is image_png(), and my OS is correctly reporting a PNG image
(Linux will use the extension as a hint, but gets the filetype from the
contents). Also, for further clarification, the junk output I'm getting
has the letters PNG in the first few characters, so I'm pretty sure this
is a PNG image yes!

Thanks,
Ash
http://www.ashleysheridan.co.uk


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Re: [PHP] Single quoted strings (was: ereg_replace to preg_replace translation)

[Ben Dunlap]

>
> Personally I try to not use double quoted.
> PHP parses single quoted very much faster.
>
> # for this
> echo "Hi, $name, wellcome $home";
>
> # I use
> echo 'Hi, ', $name, ', wellcome ', $home;
>

I'm not sure if this was true in older versions of PHP, but it's not so much
any more, and I wonder if it was ever worth the loss of readability.

Interesting discussion about this on the Google Group "Make the Web Faster".
The focal points of the discussion are an article by a lead Google engineer,
and then a point-by-point refutation by a PHP core developer. Here's the
refutation:

http://groups.google.com/group/make-the-web-faster/browse_thread/thread/ddfbe82dd80408cc

Ben

Re: [PHP] Embedding foreach loops

[Ben Dunlap]

> statements, it becomes unmaintainable very quickly, use a templating
> language, ether with a framework(recomended) or standalone.


But he /is/ using a templating language... PHP. ;-)

Ben

Re: [PHP] Image Headers break when image is out of bounds

[Adam Shannon]

On Tue, Aug 11, 2009 at 1:08 PM, Ashley Sheridan
wrote:

> On Tue, 2009-08-11 at 19:02 +0100, Ashley Sheridan wrote:
> > I've got a bit of a weird one here. I'm using PHP to output an image.
> > This works fine when I output as a file, but when I try to feed it
> > directly to the browser it fills the screen with random characters.
> >
> > I know I've got the headers right, as it works some of the time. The
> > only thing I can spot when it does fail is that some of the image
> > drawing commands are essentially drawing off the edge of the image area.
> > I've checked the error logs, and the only errors/notices I can find
> > today are a bug in phpMyAdmin and a missing favicon file, nothing to do
> > with this script.
> >
> > Has anybody ever noticed a similar problem?
> >
> > Thanks,
> > Ash
> > http://www.ashleysheridan.co.uk
> >
> >
> Oh. I should note that there has been no headers sent already, as I put
> the image output part inside of a if(!headers_sent()) block. The headers
> I'm using for the PNG image are:
>
> header("Content-Type: image/png");
> header("Pragma: no-cache");
> header("Expires: 0");
>
> Thanks,
> Ash
> http://www.ashleysheridan.co.uk
>
>
> --
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>
Take the if (!headers_sent()) out and always send the headers.

-- 
- Adam Shannon ( http://ashannon.us )

Re: [PHP] how to say "inverse your value" (to a boolean)?

[Ben Dunlap]

> # before was $styles = array( 'even', 'odd' );
> # after new requirements it is...
> $styles = array( 'white', 'white', 'gray' );
> foreach($items as $item)
> {
> printf( '%s', current( $styles ), $item );
>
> next( $styles ) or  reset( $styles );
> }
>
>
+5000. I think is by far the most readable and flexible solution suggested.
I also like it because it's PHPish -- it uses the features of the language
that were made-to-order for this problem.

Ben

Re: [PHP] Image Headers break when image is out of bounds

[Ashley Sheridan]

On Tue, 2009-08-11 at 19:02 +0100, Ashley Sheridan wrote:
> I've got a bit of a weird one here. I'm using PHP to output an image.
> This works fine when I output as a file, but when I try to feed it
> directly to the browser it fills the screen with random characters.
> 
> I know I've got the headers right, as it works some of the time. The
> only thing I can spot when it does fail is that some of the image
> drawing commands are essentially drawing off the edge of the image area.
> I've checked the error logs, and the only errors/notices I can find
> today are a bug in phpMyAdmin and a missing favicon file, nothing to do
> with this script.
> 
> Has anybody ever noticed a similar problem?
> 
> Thanks,
> Ash
> http://www.ashleysheridan.co.uk
> 
> 
Oh. I should note that there has been no headers sent already, as I put
the image output part inside of a if(!headers_sent()) block. The headers
I'm using for the PNG image are:

header("Content-Type: image/png");
header("Pragma: no-cache");
header("Expires: 0");

Thanks,
Ash
http://www.ashleysheridan.co.uk


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[PHP] Image Headers break when image is out of bounds

[Ashley Sheridan]

I've got a bit of a weird one here. I'm using PHP to output an image.
This works fine when I output as a file, but when I try to feed it
directly to the browser it fills the screen with random characters.

I know I've got the headers right, as it works some of the time. The
only thing I can spot when it does fail is that some of the image
drawing commands are essentially drawing off the edge of the image area.
I've checked the error logs, and the only errors/notices I can find
today are a bug in phpMyAdmin and a missing favicon file, nothing to do
with this script.

Has anybody ever noticed a similar problem?

Thanks,
Ash
http://www.ashleysheridan.co.uk


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Re: [PHP] Class Problems

[la...@garfieldtech.com]

Ashley Sheridan wrote:

On Tue, 2009-08-11 at 17:57 +0200, Aschwin Wesselius wrote:

Ashley Sheridan wrote:

And I really would use a PHP 5 server given the choice. I've tried
speaking to the hosting company a few times, but they brush me off!
  

Hi Ashley,

And how is their SLA then? Do you take full responsibility in case of a 
security breach? PHP 4 is way long ago and there are plenty hosting 
companies that do have PHP 5 and have a clear security/update policy.


You, yes YOU, are their client paying their sandwich. If you are not 
serviced properly, they have to eat one less. Now, go on and brush them 
off..


Kind regards,

Aschwin Wesselius


My last email to them said that if they don't do something soon, then
I'm going elsewhere, so I'll see if that spurs them on. I'm not into
naming and shaming, but if they don't get back to me on this at all,
then I feel a blog rant coming on!

Thanks,
Ash
http://www.ashleysheridan.co.uk


http://gophp5.org/hosts

Over 200 web hosts that have been committed to PHP 5.2 for at least 1.5 
years, in most cases over two years.  I am not affiliated with any of 
them directly.


--Larry Garfield

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Re: [PHP] Class Problems

[Ashley Sheridan]

On Tue, 2009-08-11 at 17:57 +0200, Aschwin Wesselius wrote:
> Ashley Sheridan wrote:
> > And I really would use a PHP 5 server given the choice. I've tried
> > speaking to the hosting company a few times, but they brush me off!
> >   
> Hi Ashley,
> 
> And how is their SLA then? Do you take full responsibility in case of a 
> security breach? PHP 4 is way long ago and there are plenty hosting 
> companies that do have PHP 5 and have a clear security/update policy.
> 
> You, yes YOU, are their client paying their sandwich. If you are not 
> serviced properly, they have to eat one less. Now, go on and brush them 
> off..
> 
> Kind regards,
> 
> Aschwin Wesselius
> 
My last email to them said that if they don't do something soon, then
I'm going elsewhere, so I'll see if that spurs them on. I'm not into
naming and shaming, but if they don't get back to me on this at all,
then I feel a blog rant coming on!

Thanks,
Ash
http://www.ashleysheridan.co.uk


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Re: [PHP] Class Problems

[Aschwin Wesselius]

Ashley Sheridan wrote:

And I really would use a PHP 5 server given the choice. I've tried
speaking to the hosting company a few times, but they brush me off!
  

Hi Ashley,

And how is their SLA then? Do you take full responsibility in case of a 
security breach? PHP 4 is way long ago and there are plenty hosting 
companies that do have PHP 5 and have a clear security/update policy.


You, yes YOU, are their client paying their sandwich. If you are not 
serviced properly, they have to eat one less. Now, go on and brush them 
off..


Kind regards,

Aschwin Wesselius

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[PHP] Single quoted strings (was: ereg_replace to preg_replace translation)

[Martin Scotta]

On Tue, Aug 11, 2009 at 12:21 PM, Ford, Mike  wrote:

> > -Original Message-
> > From: m a r k u s [mailto:queribus2...@hotmail.com]
> > Sent: 11 August 2009 15:34
> >
> > I see that from PHP 5.3.0 ereg_replace() function is deprecated and
> > throws a warning.
> > I would like to use the preg_replace() function as an alternative of
> > ereg_replace() function but...
> > can't undestand the "\n#[^\n]*\n" expression.
> >
> > $sql = ereg_replace("\n#[^\n]*\n", "", $sql);
>
> Generally the only change you need to make for transition from ereg to preg
> (for simple expressions, anyway) is the addition of pattern delimiters. So
> the above becomes, for example:
>
>  $sql = preg_replace("|\n#[^\n]*\n|", "", $sql);
>
> Although I would argue that those \ characters should be escaped (and
> should have been even for ereg), so the more correct version of this is:
>
>  $sql = preg_replace("|\\n#[^\\n]*\\n|", "", $sql);
>
>
> Cheers!
>
> Mike
>  --
> Mike Ford,
> Electronic Information Developer, Libraries and Learning Innovation,
> Leeds Metropolitan University, C507, Civic Quarter Campus,
> Woodhouse Lane, LEEDS,  LS1 3HE,  United Kingdom
> Email: m.f...@leedsmet.ac.uk
> Tel: +44 113 812 4730
>
>
>
>
>
> To view the terms under which this email is distributed, please go to
> http://disclaimer.leedsmet.ac.uk/email.htm
>
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>
>
You can use a single quote string (instead of escape the \n)
The result is the same, but is more legible.

$sql = preg_replace('|\n#[^\n]*\n|', '', $sql);

Personally I try to not use double quoted.
PHP parses single quoted very much faster.

# for this
echo "Hi, $name, wellcome $home";

# I use
echo 'Hi, ', $name, ', wellcome ', $home;

# or
printf( 'Hi, %s, wellcome %s', $name, $home );


And of course, this is a matter of taste!

-- 
Martin Scotta

Re: [PHP] Class Problems

[Ashley Sheridan]

On Tue, 2009-08-11 at 10:40 -0500, la...@garfieldtech.com wrote:
> The "private" keyword was added in PHP 5.  PHP 4 doesn't have visibility 
> identifiers.  In PHP 4 you have to use "var", which is then always public.
> 
> Or you could just use PHP 5 instead of a dead language. :-)
> 
> Ashley Sheridan wrote:
> > Hey all,
> > 
> > Is there any reason why this shouldn't work correctly on a server
> > running PHP 4.4.7:
> > 
> >  > class testClass
> > {
> > private $foo = 'bar';
> > }
> > 
> > print 'wtf';
> > ?>
> > 
> > I would at the very least expect to see the 'wtf' printed out. I've got
> > a whole class I've written that works fine in PHP 5, but on PHP 4
> > server, it does nothing with even this simple example.
> > 
> > Any ideas?
> > 
> > Thanks,
> > Ash
> > http://www.ashleysheridan.co.uk
> > 
> > 
> 
Ah, I was looking up in the documentation, but seem to have missed that.
Just changed the code, and it's working again! The public/private thing
will only really be an issue if someone other than me is using this
script, which is unlikely just at the moment, but ah well!

And I really would use a PHP 5 server given the choice. I've tried
speaking to the hosting company a few times, but they brush me off!

Thanks,
Ash
http://www.ashleysheridan.co.uk


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[PHP] Re: Class Problems

[Ollisso]

On Tue, 11 Aug 2009 18:35:35 +0300, Ashley Sheridan  
 wrote:



Hey all,

Is there any reason why this shouldn't work correctly on a server
running PHP 4.4.7:



I would at the very least expect to see the 'wtf' printed out. I've got
a whole class I've written that works fine in PHP 5, but on PHP 4
server, it does nothing with even this simple example.

Any ideas?


PHP4 does not support  classes that much.
Especially private/public keywords.

PS: you should enable display_errors and set error_reporting(E_ALL), then  
you will see error here.





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[PHP] Re: Upgrading to PHP5.2.x

[Colin Guthrie]

'Twas brillig, and Alberto García Gómez at 11/08/09 16:05 did gyre and 
gimble:

Dear Fellows:

I want ot upgrade my PHP from 5.1.x to 5.2.x. I want to do using rpm, but any 
time that I going to upgrade the rpm request me more dependencies.

How can I configure my rpm (or other command) to automaticly satisfy my 
dependencies.


This sounds very much like you are mixing and matching different sources 
of RPMs.


Linux distributions are not like Windows machines where you can just 
install any given application, they are an integrated set of 
interdependant packages.


It is not at all recommended (read: a very bad idea) to install e.g. 
RPMs build for one OS version (e.g. RHEL 5.x) on an older version (e.g. 
RHEL 4.x). Doing so can cause numerous problems due to compiler 
changes/optimisations and small ABI breakages that are incompatible with 
the dynamic libraries used etc.


Even if you do pull in all the dependancies when installing a RHEL5 
version of PHP on RHEL4 (just an example), it will not necessarily work 
for the above reasons.


Similarly, if you do run into problems you will not get any support 
(paid or otherwise) for such a setup.



So please don't undertake this upgrade without fully appreciating what 
is going on. If you really want to install the RHEL5 version on RHEL4 
(again just a random example of a distro), you should download the 
source rpms and rebuild them on RHEL4. You may have to rebuild quite a 
few dependant packages to get a fully working system.


HTHs

Col.

--

Colin Guthrie
gmane(at)colin.guthr.ie
http://colin.guthr.ie/

Day Job:
  Tribalogic Limited [http://www.tribalogic.net/]
Open Source:
  Mandriva Linux Contributor [http://www.mandriva.com/]
  PulseAudio Hacker [http://www.pulseaudio.org/]
  Trac Hacker [http://trac.edgewall.org/]


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Re: [PHP] Class Problems

[la...@garfieldtech.com]

The "private" keyword was added in PHP 5.  PHP 4 doesn't have visibility 
identifiers.  In PHP 4 you have to use "var", which is then always public.


Or you could just use PHP 5 instead of a dead language. :-)

Ashley Sheridan wrote:

Hey all,

Is there any reason why this shouldn't work correctly on a server
running PHP 4.4.7:



I would at the very least expect to see the 'wtf' printed out. I've got
a whole class I've written that works fine in PHP 5, but on PHP 4
server, it does nothing with even this simple example.

Any ideas?

Thanks,
Ash
http://www.ashleysheridan.co.uk




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[PHP] Class Problems

[Ashley Sheridan]

Hey all,

Is there any reason why this shouldn't work correctly on a server
running PHP 4.4.7:



I would at the very least expect to see the 'wtf' printed out. I've got
a whole class I've written that works fine in PHP 5, but on PHP 4
server, it does nothing with even this simple example.

Any ideas?

Thanks,
Ash
http://www.ashleysheridan.co.uk


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RE: [PHP] ereg_replace to preg_replace translation

[Ford, Mike]

> -Original Message-
> From: m a r k u s [mailto:queribus2...@hotmail.com]
> Sent: 11 August 2009 15:34
> 
> I see that from PHP 5.3.0 ereg_replace() function is deprecated and
> throws a warning.
> I would like to use the preg_replace() function as an alternative of
> ereg_replace() function but...
> can't undestand the "\n#[^\n]*\n" expression.
> 
> $sql = ereg_replace("\n#[^\n]*\n", "", $sql);

Generally the only change you need to make for transition from ereg to preg 
(for simple expressions, anyway) is the addition of pattern delimiters. So the 
above becomes, for example:

  $sql = preg_replace("|\n#[^\n]*\n|", "", $sql);

Although I would argue that those \ characters should be escaped (and should 
have been even for ereg), so the more correct version of this is:

  $sql = preg_replace("|\\n#[^\\n]*\\n|", "", $sql);


Cheers!

Mike
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Leeds Metropolitan University, C507, Civic Quarter Campus, 
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Email: m.f...@leedsmet.ac.uk 
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Re: [PHP] Embedding foreach loops

[sono-io]

On Aug 11, 2009, at 12:13 AM, hessi...@hessiess.com wrote:

Do *NOT* get into the habit of outputting your HTML using echo or  
print

statements, it becomes unmaintainable very quickly, use a templating
language, ether with a framework(recomended) or standalone.


	This sounds interesting.  Could you expound on this a little more and  
perhaps list a couple of the templates you mention?


Thanks,
Frank

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Re: [PHP] ereg_replace to preg_replace translation

[Shawn McKenzie]

m a r k u s wrote:
> Hi all,
> 
> I see that from PHP 5.3.0 ereg_replace() function is deprecated and
> throws a warning.
> I would like to use the preg_replace() function as an alternative of
> ereg_replace() function but... can't undestand the "\n#[^\n]*\n"
> expression.
> 
> $sql = ereg_replace("\n#[^\n]*\n", "", $sql);
> 
> Any help for tranlation or alternative ?
> Thanks
> 
> -- 
> m a r k u s

Here's a good regex tutorial:  http://www.regular-expressions.info/

But to answer your question, \n#[^\n]*\n means the match must:

start with a newline(\n) followed by a pound sign (#) followed by 0 or
more characters (*) that are not a newline(^\n) all the way up to
another newline (\n).

To translate to preg I think all you need to do is give it delimiters,
but that may not be necessary, not sure. "|\n#[^\n]*\n|"

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-Shawn
http://www.spidean.com

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[PHP] Re: Upgrading to PHP5.2.x

[Shawn McKenzie]

Alberto García Gómez wrote:
> Dear Fellows:
> 
> I want ot upgrade my PHP from 5.1.x to 5.2.x. I want to do using rpm, but any 
> time that I going to upgrade the rpm request me more dependencies.
> 
> How can I configure my rpm (or other command) to automaticly satisfy my 
> dependencies.
> 
> 
> 
> Saludos Fraternales
> _
> Atte.
> Alberto García Gómez M:.M:.
> Administrador de Redes/Webmaster
> IPI "Carlos Marx", Matanzas. Cuba.

Depends upon what package manager you're using and the OS.  I don't
think that the rpm package manager will resolve/install needed
dependencies, but there are others.  If you're using fedora/redhat then
you can try yum or there is also an apt for fc/rh.

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[PHP] Upgrading to PHP5.2.x

[Alberto García Gómez]

Dear Fellows:

I want ot upgrade my PHP from 5.1.x to 5.2.x. I want to do using rpm, but any 
time that I going to upgrade the rpm request me more dependencies.

How can I configure my rpm (or other command) to automaticly satisfy my 
dependencies.



Saludos Fraternales
_
Atte.
Alberto García Gómez M:.M:.
Administrador de Redes/Webmaster
IPI "Carlos Marx", Matanzas. Cuba.

[PHP] ereg_replace to preg_replace translation

[m a r k u s]

Hi all,

I see that from PHP 5.3.0 ereg_replace() function is deprecated and throws a 
warning.
I would like to use the preg_replace() function as an alternative of ereg_replace() function but... 
can't undestand the "\n#[^\n]*\n" expression.


$sql = ereg_replace("\n#[^\n]*\n", "", $sql);

Any help for tranlation or alternative ?
Thanks

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Re: [PHP] how to say "inverse your value" (to a boolean)?

[tedd]

At 10:27 AM -0300 8/11/09, Martin Scotta wrote:

A change request just came in - the interaction designer wants every
third line to have a grey background, instead of every second line.

# before was $styles = array( 'even', 'odd' );
# after new requirements it is...
$styles = array( 'white', 'white', 'gray' );
foreach($items as $item)
{

printf( '%s', current( $styles ), $item );

next( $styles ) or  reset( $styles );

}

The simplest solution is always the best choice.
This provides maintainability and flexibility to changes ( that we 
don't know yet )


--
Martin Scotta


The "simplest solution" is in the eyes of the beholder.

My solution was the simplest for the problem presented.

You presented a different problem with a different solution.

Cheers,

tedd

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Re: [PHP] how to say "inverse your value" (to a boolean)?

[tedd]

At 2:29 PM +0100 8/11/09, Conor Mac Aoidh wrote:

quick Q:
I have this inside a foreach{}  that I want to alternate between on and
off so I can alternate the background-color of my 's.

$tableRowBGcolorBoolCounter != $tableRowBGcolorBoolCounter; //-boolean on
and off

I am looking thru' docs and books, but can't remember (nor find now) in
PHP how to say "inverse your value" (to a boolean).
?

TIA! -G


If I was going to do that then I would use jQuery:


$(document).ready(function(){
$("table tr:even").addClass("even");;
$("table tr:odd").addClass("odd");;
});


And yes I know that this is a PHP mailing list lol

--
Conor



And if javascript is turned off?

Cheers,

tedd

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Re: [PHP] Synchronizing autonumber fields

[tedd]

At 9:04 AM +0200 8/11/09, Leidago !Noabeb wrote:

Hi

I have the following tables setup in MYSQL:

Region 1 Region 2
HQ
Tbl1 with autonumbered (PK) Tbl1 with autonumbered (PK)
Tbl1 autonumbered-PK

To explain the above. Basically there are two regions that collect
information and then at the end of each month they have to send the
information to HQ. This is fine, but the problem comes when the
information (the data in the tables) is submitted to HQ. All three
tables have the same names and the same structure. We want to
synchronize the information sent by the regions into one table at HQ.
How can we do this without having the duplicate number problem?


Leidago :

Basically you have data from Region 1 and Region 2 and you want to 
send that information to HQ.


There are several ways to do this, but why not simply have a field in 
your table that defines which region. Clearly, HQ doesn't want to 
lose track of where the data came from, right?


As such, I don't see any problem with HQ receiving data from either 
region regardless of the possibility of the data having the same 
"number problem", whatever that may be.


The "number problem" is reminiscent of one of those "We have to 
consider the index of the records for some purpose" when that's 
usually for the internal workings of the database. If you want to 
access this data like a relational database, then you can use the 
index. But remember that the indexes do not have to be sequential 
without gaps. In the real world records are both created and deleted.


In any event, Region 1 data might have:

Index - Name - Address
1. Sam 123 Main
2. Joe 456 Elm
3. Ed 789 Oak

So Region 2 data might have:

Index - Name - Address
1. Harry 456 Oak
2. Sally 789 Pine
3. Wally 123 Maple

Thus, HQ data would be:

Index - Region - Region Index - Name - Address
1. 1 1 Sam 123 Main
2. 1 2 Joe 456 Elm
3. 1 3 Ed 789 Oak
4  2 1 Harry 456 Oak
5. 2 2 Sally 789 Pine
6. 2 3 Wally 123 Maple

Just add the data sent from Regions 1 and 2 to the HQ database. Also, 
note that the indexes do not have to match, or be sequential without 
gaps  -- they could have been:


Region 1:

Index - Name - Address
456. Sam 123 Main
458. Joe 456 Elm
560. Ed 789 Oak

Region 2:

Index - Name - Address
1010. Harry 456 Oak
1014. Sally 789 Pine
1021. Wally 123 Maple

Thus, HQ could be:

Index - Region - Region Index - Name - Address
4567. 1 456 Sam 123 Main
4568. 1 458 Joe 456 Elm
4569. 1 560 Ed 789 Oak
4570  2 1010 Harry 456 Oak
4571. 2 1014 Sally 789 Pine
4572. 2 1021 Wally 123 Maple

This is the way I would solve this problem. In fact, depending upon 
what you want to do with the data, I might dispense with recording 
the Name, Address, and other such data in HQ and just record the 
indexes from Region 1 and 2. After all, that's redundant data unless 
you're going to drop the data collected in Region 1 and 2 after the 
exchange. If so, then there's no need to record their indexes.


HTH's

tedd


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Re: [PHP] how to say "inverse your value" (to a boolean)?

[Conor Mac Aoidh]

quick Q:
I have this inside a foreach{}  that I want to alternate between on  
and

off so I can alternate the background-color of my 's.

$tableRowBGcolorBoolCounter != $tableRowBGcolorBoolCounter;  
//-boolean on

and off

I am looking thru' docs and books, but can't remember (nor find now)  
in

PHP how to say "inverse your value" (to a boolean).
?

TIA! -G


If I was going to do that then I would use jQuery:


$(document).ready(function(){
$("table tr:even").addClass("even");;
$("table tr:odd").addClass("odd");;
});


And yes I know that this is a PHP mailing list lol

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Re: [PHP] how to say "inverse your value" (to a boolean)?

[Martin Scotta]

On Tue, Aug 11, 2009 at 10:09 AM, tedd  wrote:

> At 8:46 AM -0400 8/11/09, tedd wrote:
>
>> At 4:16 PM -0600 8/10/09, John Butler wrote:
>>
>>> quick Q:
>>> I have this inside a foreach{}  that I want to alternate between on and
>>> off so I can alternate the background-color of my 's.
>>>
>>> $tableRowBGcolorBoolCounter != $tableRowBGcolorBoolCounter; //-boolean on
>>> and off
>>>
>>> I am looking thru' docs and books, but can't remember (nor find now) in
>>> PHP how to say "inverse your value" (to a boolean).
>>> ?
>>>
>>> TIA! -G
>>>
>>
>> John:
>>
>> Here's my solution:
>>
>> http://webbytedd.com/b/color-rows/
>>
>> Cheers,
>>
>> tedd
>>
>
> However, my solution (after reading others) is for an alternating row color
> (a boolean operation).
>
> The problem was NOT making every third row a different color or making
> every row a different color. Those problems would require different
> solutions.
>
> There is nothing wrong with embedding php within html, which is really a
> misnomer because it's the php interpreter that's sending the resultant html
> to the browser. It is not sending php snip-its for the browser to handle.
> So, embedding code such as:
>
> 
>
> Is a valid statement that works. It would be nice if you initialize the $i
> value, but it will work either way.
>
> My solution, provided via the above link, is a valid solution.
>
>
> Cheers,
>
> tedd
>
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>
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>
>

A change request just came in - the interaction designer wants every
third line to have a grey background, instead of every second line.

# before was $styles = array( 'even', 'odd' );
# after new requirements it is...
$styles = array( 'white', 'white', 'gray' );
foreach($items as $item)
{
printf( '%s', current( $styles ), $item );

next( $styles ) or  reset( $styles );
}

The simplest solution is always the best choice.
This provides maintainability and flexibility to changes ( that we don't
know yet )

-- 
Martin Scotta

Re: [PHP] how to say "inverse your value" (to a boolean)?

[tedd]

At 8:46 AM -0400 8/11/09, tedd wrote:

At 4:16 PM -0600 8/10/09, John Butler wrote:

quick Q:
I have this inside a foreach{}  that I want to alternate between on 
and off so I can alternate the background-color of my 's.


$tableRowBGcolorBoolCounter != $tableRowBGcolorBoolCounter; 
//-boolean on and off


I am looking thru' docs and books, but can't remember (nor find 
now) in PHP how to say "inverse your value" (to a boolean).

?

TIA! -G


John:

Here's my solution:

http://webbytedd.com/b/color-rows/

Cheers,

tedd


However, my solution (after reading others) is for an alternating row 
color (a boolean operation).


The problem was NOT making every third row a different color or 
making every row a different color. Those problems would require 
different solutions.


There is nothing wrong with embedding php within html, which is 
really a misnomer because it's the php interpreter that's sending the 
resultant html to the browser. It is not sending php snip-its for the 
browser to handle. So, embedding code such as:




Is a valid statement that works. It would be nice if you initialize 
the $i value, but it will work either way.


My solution, provided via the above link, is a valid solution.

Cheers,

tedd

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Re: [PHP] how to say "inverse your value" (to a boolean)?

[tedd]

At 4:16 PM -0600 8/10/09, John Butler wrote:

quick Q:
I have this inside a foreach{}  that I want to alternate between on 
and off so I can alternate the background-color of my 's.


$tableRowBGcolorBoolCounter != $tableRowBGcolorBoolCounter; 
//-boolean on and off


I am looking thru' docs and books, but can't remember (nor find now) 
in PHP how to say "inverse your value" (to a boolean).

?

TIA! -G


John:

Here's my solution:

http://webbytedd.com/b/color-rows/

Cheers,

tedd

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[PHP] Re: MySQL auto_increment fields Server version: 5.1.32-community-log

[Nisse Engström]

On Mon, 10 Aug 2009 01:17:21 +0200, "Ralph Deffke" wrote:

>> On Sun, 9 Aug 2009 20:17:15 +0200, "Ralph Deffke" wrote:
>>
>>> I'm facing the fact that it seems that auto_increment fields in a table not
>>> start at 1 like it was in earlier versions even if I install mySQL brand new
>>> creating all tables new. it seems to me that auto_increments handling has
> 
> I should mention that I use MyISAM as storage engine what makes it even more
> wiered.

Also check out auto_increment_offset (introduced in 5.0.2):




/Nisse

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Re: [PHP] Sending email w/ attachments

[Richard Heyes]

Hi,

> ...

Sorry, quoted wrong email. Oopsy...

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Re: [PHP] Synchronizing autonumber fields

[Phpster]

On Aug 11, 2009, at 3:04 AM, "Leidago !Noabeb"  
 wrote:



Hi

I have the following tables setup in MYSQL:

Region 1 Region 2
   HQ
Tbl1 with autonumbered (PK) Tbl1 with autonumbered (PK)
   Tbl1 autonumbered-PK

To explain the above. Basically there are two regions that collect
information and then at the end of each month they have to send the
information to HQ. This is fine, but the problem comes when the
information (the data in the tables) is submitted to HQ. All three
tables have the same names and the same structure. We want to
synchronize the information sent by the regions into one table at HQ.
How can we do this without having the duplicate number problem?

Thanks

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The simplest thing would be to have the main table have it's own auto  
increment key and use the two sub tables keys as a numerical field,  
perhaps as a foreign key.


As a general rule, ai keys should only be used for uniqueness, and not  
have any real meaning within the datasets.


Bastien

Sent from my iPod

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Re: [PHP] Sending email w/ attachments

[Phpster]

On Aug 10, 2009, at 11:22 PM, Skip Evans  wrote:


Bastien Koert wrote:

Use PHPMailer or one of the other classes available...makes life
so much easier



   Kick Ass!!!


Yes! Wow! Was that a breeze! That class rocks!

Thanks tons, Bastien!

I have to admit when I first saw your reply I thought, "Oh, man,  
another class to learn? But I know this is so close to working."


I look at the sample and thought, "This looks easy," and had it  
working in no time.


Big thanks again!

Attachments were a big deal here and this makes it a breeze, AND it  
looks like multiple attachments would be no problem?


Very cool!

Skip

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503 S Baldwin St, #1
Madison WI 53703
608.250.2720
http://bigskypenguin.com

Those of you who believe in
telekinesis, raise my hand.
-- Kurt Vonnegut



Yep, I created a wrapper for the class and pass in attachments as an  
array. Then just loop thru the array with the attachment code. It's  
very easy.


Bastien

Sent from my iPod

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Re: [PHP] APC optimization in CLI

[Robert Cummings]

Daevid Vincent wrote:
From: Robert Cummings [mailto:rob...@interjinn.com] 

However, accelerators don't make scripts faster per se. 
They merely cut out the script reading and parsing time. 


Which is a HUGE portion of time since PHP is a two-pass step. One that reads
and compiles to opcodes (with syntax checking) and another which actually
executes it.


No, it's a small portion for most CLI scripts.

So, while 
you may experience 10% gain within the first second of your script 
running, the use of an accelerator should have no bearing 
down the road 
except for the initial dynamic load of other scripts at runtime.


This is sort of misleading.


No. It is not.


You will experience faster page loads if it's a web php file, and if APC
does allow you to run cached scripts via CLI, then these scripts will start
execution immediately too.


I've already mentioned it's efficacy in a web environment. I am 
explaining the cases where you won't get much value... namely CLI scripts.


Long running scripts will see almost no benefit from an accelerator. 


PHP scripts are (like it or not) NOT designed to be daemons and run for long


Maybe you mean "PHP was not meant to be used for daemons" because I SURE 
AS HELL designed some of my scripts to be daemons and run for a long 
time... some run for months uninterrupted (usually need to reboot for OS 
updates once in a while). As for the former comment... that's a matter 
of opinion.



periods of time. The GC is no optimized for such things. It's quite
inneficient from what I've read. The whole purpose of a PHP _page_ is to get
in and get out. Hit it and quit it. Therefore memory efficiency is not as
important as speed and ease of use.


The GC works fine if you avoid circular references.


This is the general reason why CLI acceleration isn't very useful. That
said 
though, one could certainly glean an advantage if they had a 
cron job or other daemon that was loading a script often.


As is probably often the case, moreso than a "long running script".


I would argue otherwise when the CLI is being used.


I think a code optimizer is what would be desired if you're trying to make a
faster script. However in this day and age, I suspect that the 2nd phase of
the compiler already does all the optimizing it can before creating the byte
code. 


You would be wrong... very few accelerators have bundled optimizers. 
Some may do a small amount of optimization, but not a lot.


Cheers,
Rob.
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Application and Templating Framework for PHP

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Re: [PHP] how to say "inverse your value" (to a boolean)?

[Ralph Deffke]

seems they changing idears on the fly? could it be that the designer is a
smal ugly person while u a a good looking ladykiller ?

on that background I would design a function where u can change ti what ever
u want on the fly something like this

var $a;
function alternate(  $a, $_b=array( "red", "red" ,"green" ,... ) {
if( count( $_b ) > $a ) {
return $_b[ $a++ ] ;
}
$a=0;
return $_b[ $a++ ] ;
}

so now u can do what ever anybody wants on just putting the right values
into the array

cheers

ralph
ralph_def...@yahoo.de

"David Otton"  wrote in message
news:193d27170908110328p43b4722fkc46b0bcda97fc...@mail.gmail.com...
2009/8/11 Daevid Vincent :

> NO! For the love of God and all that is holy, don't do that accumulator /
> mod "hack".
> That's so 1980's. And why make the CPU do all that math for every
row...
>
> Just do this. It's quick and simple:
>
> CSS:
> .dataRow1 { background-color: #DFDFDF; }
> .dataRow2 { background-color: #FF; }
>
> foreach ($foo_array as $foo) {
> ?>"> ?> }

A change request just came in - the interaction designer wants every
third line to have a grey background, instead of every second line.

> No need to initialize $dr as by default PHP will make it a boolean
"false",
> then each itteration, it will toggle true/false and substitute the CSS
class

Um. No. Just no.



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Re: [PHP] how to say "inverse your value" (to a boolean)?

[Ashley Sheridan]

On Tue, 2009-08-11 at 11:28 +0100, David Otton wrote:
> 2009/8/11 Daevid Vincent :
> 
> > NO! For the love of God and all that is holy, don't do that accumulator /
> > mod "hack".
> > That's so 1980's. And why make the CPU do all that math for every row...
> >
> > Just do this. It's quick and simple:
> >
> > CSS:
> >.dataRow1 { background-color: #DFDFDF; }
> >.dataRow2 { background-color: #FF; }
> >
> > foreach ($foo_array as $foo) {
> >   ?>"> > ?> > }
> 
> A change request just came in - the interaction designer wants every
> third line to have a grey background, instead of every second line.
> 
> > No need to initialize $dr as by default PHP will make it a boolean "false",
> > then each itteration, it will toggle true/false and substitute the CSS class
> 
> Um. No. Just no.
> 
I tend to do something like this:

$count = 0;
foreach($foo_array as $foo)
{
$class = ($count % 3 == 0)?'class="thirdRow"':'';
print "$foo";
}

You only need to give one row the class, as you style up all the rows
and only change the row that needs to change.

Thanks,
Ash
http://www.ashleysheridan.co.uk


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Re: [PHP] how to say "inverse your value" (to a boolean)?

[David Otton]

2009/8/11 Daevid Vincent :

> NO! For the love of God and all that is holy, don't do that accumulator /
> mod "hack".
> That's so 1980's. And why make the CPU do all that math for every row...
>
> Just do this. It's quick and simple:
>
> CSS:
>        .dataRow1 { background-color: #DFDFDF; }
>        .dataRow2 { background-color: #FF; }
>
> foreach ($foo_array as $foo) {
>   ?>"> ?> }

A change request just came in - the interaction designer wants every
third line to have a grey background, instead of every second line.

> No need to initialize $dr as by default PHP will make it a boolean "false",
> then each itteration, it will toggle true/false and substitute the CSS class

Um. No. Just no.

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Re: [PHP] Sending email w/ attachments

[Richard Heyes]

Hi,

> Very cool!

I'll take that as a compliment... :-)

-- 
Richard Heyes
HTML5 graphing: RGraph - www.rgraph.net (updated 8th August)

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RE: [PHP] Re: how to say "inverse your value" (to a boolean)?

[Ford, Mike]

> -Original Message-
> From: Ralph Deffke [mailto:ralph_def...@yahoo.de]
> Sent: 11 August 2009 01:45
> 
> u...
> try
> echo "";
> for( $i=0 ; $i<10; $i++){
>   echo "something " . (($a = $a^1) ? "red\n" : "green\n");
> }

The ^ operator is one that has an assigning version, so the above can be 
slightly shortened to:

   echo "something " . (($a ^= 1) ? "red\n" : "green\n");

Cheers!

Mike
 -- 
Mike Ford,
Electronic Information Developer, Libraries and Learning Innovation,  
Leeds Metropolitan University, C507, Civic Quarter Campus, 
Woodhouse Lane, LEEDS,  LS1 3HE,  United Kingdom 
Email: m.f...@leedsmet.ac.uk 
Tel: +44 113 812 4730





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RE: [PHP] how to say "inverse your value" (to a boolean)?

[Ford, Mike]

> -Original Message-
> From: Daevid Vincent [mailto:dae...@daevid.com]
> Sent: 11 August 2009 02:19
> 
> Then YOU have more aggressive error_reporting than the default
> setting
> turned on. You might consider turning it down a notch. NOTICEs are
> basically
> useless and bloat your code IMHO -- and apparently the PHP devs too
> as per
> this...
> 
> http://us2.php.net/manual/en/function.error-reporting.php
> 
> // Report all errors except E_NOTICE
> // This is the default value set in php.ini
> error_reporting(E_ALL ^ E_NOTICE);

Yes, but recent versions also have the following recommended settings:

; error_reporting
;   Development Value: E_ALL | E_STRICT
;   Production Value: E_ALL & ~E_DEPRECATED

; display_errors
;   Development Value: On
;   Production Value: Off


Cheers!

Mike
 -- 
Mike Ford,
Electronic Information Developer, Libraries and Learning Innovation,  
Leeds Metropolitan University, C507, Civic Quarter Campus, 
Woodhouse Lane, LEEDS,  LS1 3HE,  United Kingdom 
Email: m.f...@leedsmet.ac.uk 
Tel: +44 113 812 4730






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[PHP] Re: Synchronizing autonumber fields

[Ollisso]

On Tue, 11 Aug 2009 10:04:52 +0300, "Leidago !Noabeb"  
 wrote:



Hi

I have the following tables setup in MYSQL:

Region 1 Region 2
HQ
Tbl1 with autonumbered (PK) Tbl1 with autonumbered (PK)
Tbl1 autonumbered-PK

To explain the above. Basically there are two regions that collect
information and then at the end of each month they have to send the
information to HQ. This is fine, but the problem comes when the
information (the data in the tables) is submitted to HQ. All three
tables have the same names and the same structure. We want to
synchronize the information sent by the regions into one table at HQ.
How can we do this without having the duplicate number problem?

Thanks


You can change system, so it will increment not by one, but by 2:

then Region 1 with have numbers:
1, 3 ,5 , 7 , etc
Region 2: 2, 4 ,6, 8 etc

then they are going to be easily mixed together.
As a bonus - it will be easy to see from where this record came.

Only problem - you can do it only on server level, not table level
http://forums.mysql.com/read.php?10,269379,269436#msg-269436


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[PHP] Re: Synchronizing autonumber fields

[Ralph Deffke]

hi there,

this is typical app for db repliction mechanism. it depnds of the size off
your project.

have a look here:
http://dev.mysql.com/doc/refman/5.1/en/replication-howto.html

if this is oversized for u do a dump of each table without the
auto_increment fields. if u read in these tables the main database then does
use its own record id.
to identifie these records use a subsidairy finegerprint field.

another way would be not to use a ai field for identifying the record, use a
timestamp field to have an unique index on the tables. it is very unlikeley
that two records are written at the same time in the various subsidaries. a
timestamp field is a breakdown to the milisecond. however there is still a
chance of 1 to some billion, that two records have the same key.

just some possibilities

cheers
ralph
ralph_def...@yahoo.de


""Leidago !Noabeb""  wrote in message
news:5bcf496e0908110004w94d29c2j4b01806822ca0...@mail.gmail.com...
> Hi
>
> I have the following tables setup in MYSQL:
>
> Region 1 Region 2
> HQ
> Tbl1 with autonumbered (PK) Tbl1 with autonumbered (PK)
> Tbl1 autonumbered-PK
>
> To explain the above. Basically there are two regions that collect
> information and then at the end of each month they have to send the
> information to HQ. This is fine, but the problem comes when the
> information (the data in the tables) is submitted to HQ. All three
> tables have the same names and the same structure. We want to
> synchronize the information sent by the regions into one table at HQ.
> How can we do this without having the duplicate number problem?
>
> Thanks



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Re: [PHP] Sending email w/ attachments

[Devendra Jadhav]

Check out this link http://www.learnphp-tutorial.com/Email.cfm

On Tue, Aug 11, 2009 at 8:52 AM, Skip Evans  wrote:

> Bastien Koert wrote:
>
>>
>> Use PHPMailer or one of the other classes available...makes life
>> so much easier
>>
>>
> 
>Kick Ass!!!
> 
>
> Yes! Wow! Was that a breeze! That class rocks!
>
> Thanks tons, Bastien!
>
> I have to admit when I first saw your reply I thought, "Oh, man, another
> class to learn? But I know this is so close to working."
>
> I look at the sample and thought, "This looks easy," and had it working in
> no time.
>
> Big thanks again!
>
> Attachments were a big deal here and this makes it a breeze, AND it looks
> like multiple attachments would be no problem?
>
> Very cool!
>
>
> Skip
>
> --
> 
> Skip Evans
> Big Sky Penguin, LLC
> 503 S Baldwin St, #1
> Madison WI 53703
> 608.250.2720
> http://bigskypenguin.com
> 
> Those of you who believe in
> telekinesis, raise my hand.
>  -- Kurt Vonnegut
>
> --
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>


-- 
Devendra Jadhav

Re: [PHP] Synchronizing autonumber fields

[Per Jessen]

Leidago !Noabeb wrote:

> Hi
> 
> I have the following tables setup in MYSQL:
> 
> Region 1 Region 2
> HQ
> Tbl1 with autonumbered (PK) Tbl1 with autonumbered (PK)
> Tbl1 autonumbered-PK
> 
> To explain the above. Basically there are two regions that collect
> information and then at the end of each month they have to send the
> information to HQ. This is fine, but the problem comes when the
> information (the data in the tables) is submitted to HQ. All three
> tables have the same names and the same structure. We want to
> synchronize the information sent by the regions into one table at HQ.
> How can we do this without having the duplicate number problem?

Typically you would do this by having a sufficiently large offset
between the numbers.  


/Per

-- 
Per Jessen, Zürich (19.6°C)


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[PHP] Synchronizing autonumber fields

[Leidago !Noabeb]

Hi

I have the following tables setup in MYSQL:

Region 1 Region 2
HQ
Tbl1 with autonumbered (PK) Tbl1 with autonumbered (PK)
Tbl1 autonumbered-PK

To explain the above. Basically there are two regions that collect
information and then at the end of each month they have to send the
information to HQ. This is fine, but the problem comes when the
information (the data in the tables) is submitted to HQ. All three
tables have the same names and the same structure. We want to
synchronize the information sent by the regions into one table at HQ.
How can we do this without having the duplicate number problem?

Thanks

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Re: [PHP] Embedding foreach loops

[Ashley Sheridan]

On Tue, 2009-08-11 at 07:13 +, hessi...@hessiess.com wrote:
> Do *NOT* get into the habit of outputting your HTML using echo or print
> statements, it becomes unmaintainable very quickly, use a templating
> language, ether with a framework(recomended) or standalone.
> 
> You should learn the basics of HTML and CSS, go and read
> http://htmldog.com/, btw to add a newline you need to use "".
> 
> >> I am using the print function to display my html. I cannot get the
> >> line return ( \n ) character to actually push the html onto the next
> >> line, it just gets displayed instead. Should I be using echo?
> >
> >
> > Allen, you off and running again?
> >
> > echo "blah..  \n"; //<-- this will print  the literal 'blah..  '  and
> > then a newline into your HTML *source code*
> > echo 'blah..  \n'; //<-- this will print the literal 'blah..  \n' into
> > your HTML *source code*
> >
> > IIRC print is the same as echo.  That is not your apparent issue.
> >
> > Say if you are stuck again, and on what exactly.
> >
> > -John
> >
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> > PHP General Mailing List (http://www.php.net/)
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> >
> >
> 
> 

*Or* you could use the heredoc syntax, which I'm quite a fan of.

print <