Filter
PHP Manual

filter_var

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

filter_var — Filters a variable with a specified filter

Описание

mixed filter_var ( mixed $variable [, int $filter [, mixed $options ]] )

Список параметров

variable

Value to filter.

filter

ID of a filter to use. Defaults to FILTER_SANITIZE_STRING.

options

Associative array of options or bitwise disjunction of flags. If filter accepts options, flags can be provided in "flags" field of array. For the "callback" filter, callback type should be passed.

Возвращаемые значения

Returns the filtered data, or FALSE if the filter fails.

Примеры

Example#1 A filter_var() example

<?php
var_dump
(filter_var('bob@example.com'FILTER_VALIDATE_EMAIL));
var_dump(filter_var('example.com'FILTER_VALIDATE_URLFILTER_FLAG_SCHEME_REQUIRED));
?>

Результат выполнения данного примера:

string(15) "bob@example.com" bool(false)

Смотрите также


Filter
PHP Manual