filter_has_var

<?

// https://mydomain.com?myvariable

$input_type = INPUT_GET;
$var_name = "myvariable";

$return = filter_has_var($input_type, $var_name);

var_export($return);

?>

false

<?

$input_type = INPUT_POST;
$var_name = "myvariable";

$return = filter_has_var($input_type, $var_name);

var_export($return);

?>

false

<?

$input_type = INPUT_COOKIE;
$var_name = "myvariable";

$return = filter_has_var($input_type, $var_name);

var_export($return);

?>

false

<?

$input_type = INPUT_SERVER;
$var_name = "myvariable";

$return = filter_has_var($input_type, $var_name);

var_export($return);

?>

false

<?

$input_type = INPUT_ENV;
$var_name = "myvariable";

$return = filter_has_var($input_type, $var_name);

var_export($return);

?>

false