PHP filter_list 实例教程

提示和说明
注：此结果并不功能的过滤器编号，但过滤器的名称。使用filter_id （ ）函数来得到过滤器编号

例如

<?php
print_r(filter_list());
?>

输出结果.

Array
 (
 [0] => int
 [1] => boolean
 [2] => float
 [3] => validate_regexp
 [4] => validate_url
 [5] => validate_email
 [6] => validate_ip
 [7] => string
 [8] => stripped
 [9] => encoded
 [10] => special_chars
 [11] => unsafe_raw
 [12] => email
 [13] => url
 [14] => number_int
 [15] => number_float
 [16] => magic_quotes
 [17] => callback
 )