[PHP] Howto detect the hostname of the server?
Hi,
how could I identify the server the script runs on?
I've got a testserver on Windows and a remote system on Linux that need
a couple of different settings like IP and port of db-server or folder
to store logfiles.
I'd like to do something like:
if ( $_SERVER['some_key'] = 'my_test_box' ) {
$db_host = '1.1.1.1';
$db_port = 1234;
} else {
$db_host = '2.2.2.2';
$db_port = 4321;
}
I looked into phpinfo() but haven't found anything helpful, yet.
Have I overlooked something or is there another way to identify the server?
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Re: [PHP] Howto detect the hostname of the server?
On 26 Nov 2011, at 00:14, Andreas wrote:
Hi,
how could I identify the server the script runs on?
I've got a testserver on Windows and a remote system on Linux that need a
couple of different settings like IP and port of db-server or folder to store
logfiles.
I'd like to do something like:
if ( $_SERVER['some_key'] = 'my_test_box' ) {
$db_host = '1.1.1.1';
$db_port = 1234;
} else {
$db_host = '2.2.2.2';
$db_port = 4321;
}
I looked into phpinfo() but haven't found anything helpful, yet.
Have I overlooked something or is there another way to identify the server?
This should work on most Linux variants, so long as the hostname command exists
and the PHP process has permission to execute it.
function getServerHostname($full = false)
{
$retval = `hostname`;
if (!$full) {
$retval = array_shift(explode('.', $retval));
}
return $retval;
}
-Stuart
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Stuart Dallas
3ft9 Ltd
http://3ft9.com/
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Re: [PHP] Howto detect the hostname of the server?
Hi. On Saturday 26 Nov 2011 at 00:14 Andreas wrote: how could I identify the server the script runs on? [snip] I looked into phpinfo() but haven't found anything helpful, yet. Have I overlooked something or is there another way to identify the server? Wouldn't the server IP address in $_SERVER['SERVER_ADDR'] or the hostname in $_SERVER['SERVER_NAME'] do the trick? That's what I use. The second one is handy for differentiating between sites when using Apache name-based virtual hosts on the same IP. Full list here: http://uk.php.net/manual/en/reserved.variables.server.php Cheers, Mark -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Howto detect the hostname of the server?
On 26 Nov 2011, at 00:24, Stuart Dallas wrote:
On 26 Nov 2011, at 00:14, Andreas wrote:
Hi,
how could I identify the server the script runs on?
I've got a testserver on Windows and a remote system on Linux that need a
couple of different settings like IP and port of db-server or folder to
store logfiles.
I'd like to do something like:
if ( $_SERVER['some_key'] = 'my_test_box' ) {
$db_host = '1.1.1.1';
$db_port = 1234;
} else {
$db_host = '2.2.2.2';
$db_port = 4321;
}
I looked into phpinfo() but haven't found anything helpful, yet.
Have I overlooked something or is there another way to identify the server?
This should work on most Linux variants, so long as the hostname command
exists and the PHP process has permission to execute it.
function getServerHostname($full = false)
{
$retval = `hostname`;
if (!$full) {
$retval = array_shift(explode('.', $retval));
}
return $retval;
}
I should add that it would be better to put the server hostname into the
environment in which PHP runs. That way it will be available via the $_ENV
superglobal and fetching it will not cost a process execution. How you would do
this depends on how you are running PHP.
-Stuart
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3ft9 Ltd
http://3ft9.com/
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Re: [PHP] Howto detect the hostname of the server?
On 26 Nov 2011, at 00:24, Stuart Dallas wrote:
On 26 Nov 2011, at 00:14, Andreas wrote:
Hi,
how could I identify the server the script runs on?
I've got a testserver on Windows and a remote system on Linux that need a
couple of different settings like IP and port of db-server or folder to
store logfiles.
I'd like to do something like:
if ( $_SERVER['some_key'] = 'my_test_box' ) {
$db_host = '1.1.1.1';
$db_port = 1234;
} else {
$db_host = '2.2.2.2';
$db_port = 4321;
}
I looked into phpinfo() but haven't found anything helpful, yet.
Have I overlooked something or is there another way to identify the server?
This should work on most Linux variants, so long as the hostname command
exists and the PHP process has permission to execute it.
function getServerHostname($full = false)
{
This line should have a trim...
$retval = trim(`hostname`);
Without that, the full hostname will have a new line on the end which is less
than ideal.
if (!$full) {
$retval = array_shift(explode('.', $retval));
}
return $retval;
}
-Stuart
--
Stuart Dallas
3ft9 Ltd
http://3ft9.com/
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Re: [PHP] Howto detect the hostname of the server?
On 26/11/2011, at 1:14 PM, Andreas wrote:
Hi,
how could I identify the server the script runs on?
I've got a testserver on Windows and a remote system on Linux that need a
couple of different settings like IP and port of db-server or folder to store
logfiles.
I'd like to do something like:
if ( $_SERVER['some_key'] = 'my_test_box' ) {
$db_host = '1.1.1.1';
$db_port = 1234;
} else {
$db_host = '2.2.2.2';
$db_port = 4321;
}
I looked into phpinfo() but haven't found anything helpful, yet.
Have I overlooked something or is there another way to identify the server?
php_uname('n'); http://php.net/php_uname
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Simon Welsh
Admin of http://simon.geek.nz/
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Re: [PHP] Howto detect the hostname of the server?
Am 26.11.2011 01:35, schrieb Simon J Welsh:
On 26/11/2011, at 1:14 PM, Andreas wrote:
how could I identify the server the script runs on?
php_uname('n'); http://php.net/php_uname
Great, that even works on a ssh-tunnel.
I got derailed by the fact that my tunnel maps the remote server to
localhost:80 so
$_SERVER['SERVER_ADDR'] and
$_SERVER['SERVER_NAME'] wouldn't help.
On the other hand for everyone on the remote LAN $_SERVER['...'] would
work ok, though I didn't realise that before.
Thanks :)
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Re: [PHP] Howto detect the hostname of the server?
On 11/25/2011 7:35 PM, Simon J Welsh wrote:
On 26/11/2011, at 1:14 PM, Andreas wrote:
Hi,
how could I identify the server the script runs on?
I've got a testserver on Windows and a remote system on Linux that need a
couple of different settings like IP and port of db-server or folder to store
logfiles.
I'd like to do something like:
if ( $_SERVER['some_key'] = 'my_test_box' ) {
$db_host = '1.1.1.1';
$db_port = 1234;
} else {
$db_host = '2.2.2.2';
$db_port = 4321;
}
I looked into phpinfo() but haven't found anything helpful, yet.
Have I overlooked something or is there another way to identify the server?
php_uname('n'); http://php.net/php_uname
folks try:
$_SERVER['SERVER_NAME']
Cheers,
Curtis
Re: [PHP] Howto detect the hostname of the server?
Andreas maps...@gmx.net wrote:
Am 26.11.2011 01:35, schrieb Simon J Welsh:
On 26/11/2011, at 1:14 PM, Andreas wrote:
how could I identify the server the script runs on?
php_uname('n'); http://php.net/php_uname
Great, that even works on a ssh-tunnel.
I got derailed by the fact that my tunnel maps the remote server to
localhost:80 so
$_SERVER['SERVER_ADDR'] and
$_SERVER['SERVER_NAME'] wouldn't help.
On the other hand for everyone on the remote LAN $_SERVER['...'] would
work ok, though I didn't realise that before.
This may work in some circumstances, but not others.
For example, I have a VPS with several sites hosted on it. php_uname
will always return the default host name, which very likely might be
different than the virtual host's hostname.
I'm not doing any ssh tunnelling in my local setups, so looking at
$_SERVER['SERVER_NAME'] works for me, but obviously won't for you. I
simply set up the /etc/hosts file with a lot of aliases, and then they
can become virtual hosts.
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