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('[email protected]', FILTER_VALIDATE_EMAIL));
var_dump(filter_var('example.com', FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED));
?>
Exemplul de mai sus va afişa:
string(15) "[email protected]" bool(false)
Vedeţi de asemenea
- filter_var_array()
- filter_input()
- filter_input_array()
- informaţie despre tipul callback