[PHP] help with an array if its possible!

[Adam Preece]

Hi Gang!

i have 2 assoc arrays from 2 querys, 

first one is page categorys it consists of:
id
name

second is pages
name
cat_id

now, i am using smarty, so i pass arrays into the view. this i would like to 
pass to the view and display within a html select element.

select id=name
option value=CAT_IDCAT NAME
option disabled=disabledPAGE NAME ASSOCIATED TO THE 
CAT NAME/option
/option
/select

and i cannot think of how i can structure an array to pass in to achieve this 
and/or is it even possible :-/.

i hope this makes sense.

i'm truly stuck!

kind regards

Adam Preece

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Re: [PHP] help with an array if its possible!

[Daniel P. Brown]

On Wed, Jun 22, 2011 at 18:43, Adam Preece a...@blueyonder.co.uk wrote:
 Hi Gang!

 i have 2 assoc arrays from 2 querys,

 first one is page categorys it consists of:
        id
        name

 second is pages
        name
        cat_id

 now, i am using smarty, so i pass arrays into the view. this i would like to 
 pass to the view and display within a html select element.

        select id=name
                option value=CAT_IDCAT NAME
                        option disabled=disabledPAGE NAME ASSOCIATED TO 
 THE CAT NAME/option
                /option
        /select

 and i cannot think of how i can structure an array to pass in to achieve this 
 and/or is it even possible :-/.

 i hope this makes sense.

 i'm truly stuck!

If I'm understanding you correctly, this should get you started:

?php

$arr = array(
  'inventory_100' = 'apples',
  'inventory_101' = 'oranges',
  'inventory_102' = 'pears',
  'inventory_103' = 'bananas',
);

echo 'select id=inventory_items'.PHP_EOL;

foreach ($arr as $k = $v) {
  echo '  option value='.$k.''.$v.'/option'.PHP_EOL;
}

echo '/select'.PHP_EOL;
?

You can copy and paste that code (though I just typed it in here,
it should work) and it should illustrate the point.

-- 
/Daniel P. Brown
Dedicated Servers, Cloud and Cloud Hybrid Solutions, VPS, Hosting
(866-) 725-4321
http://www.parasane.net/

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Re: [PHP] help with an array if its possible!

[Jim Lucas]

On 6/22/2011 3:43 PM, Adam Preece wrote:
 Hi Gang!
 
 i have 2 assoc arrays from 2 querys, 
 
 first one is page categorys it consists of:
   id
   name
 
 second is pages
   name
   cat_id
 
 now, i am using smarty, so i pass arrays into the view. this i would like to 
 pass to the view and display within a html select element.
 
   select id=name
   option value=CAT_IDCAT NAME
   option disabled=disabledPAGE NAME ASSOCIATED TO THE 
 CAT NAME/option
   /option
   /select
 
 and i cannot think of how i can structure an array to pass in to achieve this 
 and/or is it even possible :-/.
 
 i hope this makes sense.
 
 i'm truly stuck!
 
 kind regards
 
 Adam Preece
   

I see that you have a nested option ... tag.  Maybe you are looking for the
optgroup tag.

select
  optgroup label=Swedish Cars
option value=volvoVolvo/option
option value=saabSaab/option
  /optgroup
  optgroup label=German Cars
option value=mercedesMercedes/option
option value=audiAudi/option
  /optgroup
/select

?php

$categories[] = array('id' = 1, 'name' = 'cars');
$categories[] = array('id' = 2, 'name' = 'trucks');
$categories[] = array('id' = 3, 'name' = 'motorcycles');

$pages[] = array('id' = 1, 'name' = 'Neon', 'cat_id' = 1);
$pages[] = array('id' = 2, 'name' = 'Saturn', 'cat_id' = 1);
$pages[] = array('id' = 3, 'name' = 'F150', 'cat_id' = 2);
$pages[] = array('id' = 4, 'name' = 'Ram 2500', 'cat_id' = 2);
$pages[] = array('id' = 5, 'name' = 'Suzuki', 'cat_id' = 2);
$pages[] = array('id' = 6, 'name' = 'Honda', 'cat_id' = 3);

echo select id=\page_id\\n;

foreach ($categories AS $cat) {
  $c_cat_name = htmlspecialchars($cat['name']);
  echo \toptgroup label=\{$c_cat_name}\\n;

  foreach ($pages AS $page) {
if ( $page['cat_id'] == $cat['id'] ) {
  $c_page_id = htmlspecialchars((int)$page['id']);
  $c_page_name = htmlspecialchars($page['name']);
  echo \t\toption value=\{$c_page_id}\{$c_page_name}/option\n;
}
  }
  # Reset pages so you can loop through it again
  reset($pages);
  echo \t/optgroup\n;
}

echo /select\n;
?

All the above is untested, but should get you very close to what I think you are
trying to accomplish.

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