Filter Функции
PHP Manual

filter_id

(PHP 5 >= 5.2.0)

filter_idReturns the filter ID belonging to a named filter

Описание

int filter_id ( string $filtername )

Параметри

filtername

Name of a filter to get.

Връщани стойности

ID of a filter on success or NULL if filter doesn't exist.

Вж. също


Filter Функции
PHP Manual