filter_has_var
(no version information, might be only in CVS)
filter_has_var -- Checks if variable of specified type exists
Description
bool
filter_has_var ( int type, string variable_name )
Parameters
type
One of INPUT_GET, INPUT_POST,
INPUT_COOKIE, INPUT_SERVER,
INPUT_ENV.
variable_name
Name of a variable to check.
Return Values
Returns TRUE on success or FALSE on failure.