Filter Funkcje
PHP Manual

filter_var

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

filter_varFilters a variable with a specified filter

Opis

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

Parametry

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.

Zwracane wartości

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

Przykłady

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));
?>

Powyższy przykład wyświetli:

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

Patrz także


Filter Funkcje
PHP Manual