PHP filter_list() 函數
完整的PHP Filter參考手冊 定義和用法
filter_list() 函數返回包含所有得到支持的過濾器的一個數組。
語法
filter_list()
提示和註釋
註釋：該函數的結果不是過濾器ID，而是過濾器名稱。請使用filter_id() 函數來獲取過濾器ID。
實例
<?php
print_r(filter_list());
?>
print_r(filter_list());
?>
代碼的輸出如下所示：
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
)
(
[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
)
完整的PHP Filter參考手冊