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filter_has_var
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filter_has_var

(no version information, might be only in CVS)

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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