filter_has_var
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
filter_has_var — Checks if variable of specified type exists
Description
filter_has_var(int $input_type, string $var_name): bool
Parameters
-
input_type -
One of
INPUT_GET,INPUT_POST,INPUT_COOKIE,INPUT_SERVER, orINPUT_ENV. -
var_name -
Name of a variable to check.
Return Values
Returns true on success or false on failure.
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.filter-has-var.php
