在线手册：中文英文

filter_id

(PHP 5 >= 5.2.0)

filter_id — Returns the filter ID belonging to a named filter

说明

int filter_id ( string $filtername )

参数

filtername: Name of a filter to get.

返回值

ID of a filter on success or FALSE if filter doesn't exist.

参见

filter_list() - Returns a list of all supported filters

在线手册：中文英文

PHP手册 - N: Returns the filter ID belonging to a named filter

用户评论:

w0n4b3 at gmail dot com (23-Jun-2011 10:47)

[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