filter_id
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
filter_id — 返回与某个特定名称的过滤器相关联的id
说明
filter_id(string
$filtername): int参数
-
filtername -
待获取的过滤器名称
返回值
如果获取成功则返回过滤器id，如果过滤器不存在则返回 false 。
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User Contributed Notes 1 note
w0n4b3 at gmail dot com ¶
10 years ago
[To get a list of filters and their IDs:]
<?php
$filters = filter_list();
foreach($filters as $filter_name) {
echo $filter_name .": ".filter_id($filter_name) ."<br>";
}
?>
Will result in:
boolean: 258
float: 259
validate_regexp: 272
validate_url: 273
validate_email: 274
validate_ip: 275
string: 513
stripped: 513
encoded: 514
special_chars: 515
unsafe_raw: 516
email: 517
url: 518
number_int: 519
number_float: 520
magic_quotes: 521
callback: 1024