Re: [PHP] Newbie question about good coding practice [isset]

When $var is 0? // Output: $var: $var not exists if ( $var ) echo '$var: $var exists'; else echo '$var: $var not exists'; // Output: isset(): var exists if ( isset($var) ) echo 'isset(): $var exists'; else echo 'isset(): $var not exists'; ?> Larry E . Ullman wrote: if($

[PHP] Re: Understanding sessions

You can use $sid = session_name().'='.session_id(); instead of SID or you can define o constant define('SID', session_name().'='.session_id()); at the start of script ( after session_start() ). Todd Cary wrote: I am trying to understand sessions are done with php. My "learning script" has th

[PHP] Re: combining variables...

$i = 2; $var = "view_request_$i"; $value = $$var; Tristan Pretty wrote: Simply put, can I connect 2 variables, to make one... I want to output: $view_request_$i making for example a string: view_all_2 But I'm getting errors..? Parse error: parse error in /home/risk/public_html/download/results3.

[PHP] Re: Relative Url

I'm using this on Apache. You need to include 'inc/globals.php' in your script. inc/globals.php define('RELPATH', GetRelativePath()); ?> inc/functions.php function GetRelativePath() { $RELPATH = str_replace(UpDirectory(__FILE__), '', dir_name($_SERVER['SCRIPT_NAME])); $REL

[PHP] Re: Wrong IP address

I'm using this one: function FetchIP() { $client_ip = $_SERVER['HTTP_CLIENT_IP']; $x_forwarded_for = $_SERVER['HTTP_X_FORWARDED_FOR']; $remote_addr = $_SERVER['REMOTE_ADDR']; if ( !empty ($client_ip) ) { $ip_expl = explode('.',$client_ip