PHP filter_list() 函数

PHP Filter 函数

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定义和用法

filter_list() 函数返回包含所有得到支持的过滤器的一个数组。

语法

filter_list()

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提示和注释

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例子

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

输出类似：

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
 )

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PHP Filter 函数