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filter_var

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

filter_var — Filters a variable with a specified filter

Descrierea

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

Parametri

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.

Valorile întroarse

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

Exemple

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));
?>

Exemplul de mai sus va afiÅŸa:

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

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