这些函数的行为受 php.ini 的影响。
| Name | Default | Changeable | Changelog |
|---|---|---|---|
| filter.default | "unsafe_raw" | PHP_INI_PERDIR | PHP_INI_ALL in filter <= 0.9.4. Available since PHP 5.2.0. |
| filter.default_flags | NULL | PHP_INI_PERDIR | PHP_INI_ALL in filter <= 0.9.4. Available since PHP 5.2.0. |
有关 PHP_INI_* 常量进一步的细节与定义参见php.ini 配置选项。
以下是配置选项的简要解释。
Filter all $_GET, $_POST, $_COOKIE and $_REQUEST data by this filter. Original data can be accessed through filter_input().
Accepts the name of the filter you like to use by default. See the existing filter list for the list of the filter names.
Default flags