get_magic_quotes_runtime()

(PHP 4, PHP 5, PHP 7)

获取当前 magic_quotes_runtime 配置选项的激活状态

说明

get_magic_quotes_runtime(void): bool

返回当前magic_quotes_runtime配置选项的激活状态。

返回值

magic_quotes_runtime 在关闭时返回 0，否则返回 1。自 PHP 5.4.0 起始终返回FALSE。

更新日志

版本	说明
5.4.0	总是返回`FALSE`，因为魔术引号（magic quotes）功能已经从 PHP 中移除。

范例

Example #1get_magic_quotes_runtime()例子

<?php
// 检测 magic_quotes_runtime 是否已经激活
if(get_magic_quotes_runtime())
{
    // 关闭功能
    set_magic_quotes_runtime(false);
}
?>

参见

get_magic_quotes_gpc() 获取当前 magic_quotes_gpc 的配置选项设置
set_magic_quotes_runtime() 设置当前 magic_quotes_runtime 配置选项的激活状态

To add to what "php at nospam-qualystem dot com" has mentioned.
Some Japanese Encoding System (shift-jis) encode characters like 予 with ASCII pairs "975C". (5C is ASCII for backslash)
Thus when reading those characters from files (saved as shift-jis) in system with magic_quotes_runtime enabled, the characeter is turned into 予\ (equivalent ASCII "975C5C")
Similarly,
予定　is turned into 予\定

get_magic_quotes runtime and set_magic_quotes_runtime are useful when you want to read some data in a binary file using fread() and some bytes in such file may be interpreted as \ (backslash), " (double quotes), ' (simple quote) or any "special" character that has a meaning for string processing.