getGPCVar
Returns value of requested GET, POST, cookie, or SESSION variable.
mixed getGPCVar(string variable_name [, mixed default_value [, string search_order]])
|
The function getGPCVar returns the value of requested GET, POST, cookie, or SESSION variable or default_value
if the variable doesn't exist. If default_value is omitted the function returns zero. The functions looks for the
variable in the order specified by search_order. If search_order is omitted the order is GET, POST, COOKIE, SESSION.
Example
<?
$pageid = getGPCVar('pageid');
if(!$pageid)
echo "Please specify page id";
// Search variable in POST, then in GET and then in SESSION
$pageid = getGPCVar('pageid', 0, 'PGS');
if(!$pageid)
echo "Please specify page id";
?>
|
Function Reference 