php man page for filter_has_var

Query: filter_has_var

OS: php

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

FILTER_HAS_VAR(3)							 1							 FILTER_HAS_VAR(3)

filter_has_var - Checks if variable of specified type exists

SYNOPSIS
bool filter_has_var (int $type, string $variable_name)
DESCRIPTION
PARAMETERS
o $type - One of INPUT_GET, INPUT_POST, INPUT_COOKIE, INPUT_SERVER, or INPUT_ENV. o $variable_name - Name of a variable to check.
RETURN VALUES
Returns TRUE on success or FALSE on failure. PHP Documentation Group FILTER_HAS_VAR(3)
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