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filter_has_var()

filter_has_var - Checks if variable of specified type exists

Syntax

bool filter_has_var (int $type, string $variable_name)

Arguments

  • type - One of INPUT_GET, INPUT_POST, INPUT_COOKIE, INPUT_SERVER, INPUT_ENV.
  • variable_name - Name of a variable to check.

Description

Version

PHP 5.2.0

Return value

Returns TRUE on success or FALSE on failure.