filter_has_var
(PHP 5 >= 5.2.0, PECL filter:0.11.0)
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.
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