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PHP set_magic_quotes_runtime 用法 手册 | 示例代码

PHP开发手册 归档 540℃ 0评论

set_magic_quotes_runtime

(PHP 4, PHP 5)

set_magic_quotes_runtime设置当前 magic_quotes_runtime 配置选项的激活状态

Warning

This function was DEPRECATED in PHP 5.3.0, and REMOVED as of PHP 7.0.0.

说明

set_magic_quotes_runtime ( bool $new_setting ) : bool

设置当前 magic_quotes_runtime 配置选项的激活状态。

错误/异常

自 PHP 5.3 起,该函数已经被弃用,执行它的时候会抛出 E_DEPRECATED 异常。 自 PHP 5.4 起,尝试开启 magic quotes 时该函数会产生一个 E_CORE_ERROR 错误。

参数

new_setting

关闭是 FALSE,开启是 TRUE

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

范例

Example #1 set_magic_quotes_runtime() 例子

<?php
// 创建临时文件指针
$fp tmpfile();

// 写入一些数据
fwrite($fp''PHP' is a Recursive acronym');

// 没有 magic_quotes_runtime
rewind($fp);
set_magic_quotes_runtime(false);

echo 'Without magic_quotes_runtime: ' fread($fp64), PHP_EOL;

// 有 magic_quotes_runtime
rewind($fp);
set_magic_quotes_runtime(true);

echo 'With magic_quotes_runtime: ' fread($fp64), PHP_EOL;

// 清理
fclose($fp);
?>

以上例程会输出:

Without magic_quotes_runtime: 'PHP' is a Recursive acronym
With magic_quotes_runtime: 'PHP' is a Recursive acronym

参见

用户贡献的笔记

serpent at paradise dot net dot nz

Be aware that even using ini_set to set 'magic_quotes_runtime' will stop working in PHP 5.4.  See http://php.net/manual/en/info.configuration.php#ini.magic-quotes-runtime

gusb at NOSPAM dot mailinator dot com

You should NEVER rely on magic quotes or addslashes for security in an SQL context. You should ALWAYS use proper escape functions, such as mysql_real_escape_string. Failure to do so may result in an SQL injection vulnerability.

Anonymous

A simple check and disabling of magic quotes whenever needed (e.g. if you deploy to multiple servers or you don't know the target server's PHP version).

<?php
if(version_compare(PHP_VERSION, '5.3.0', '<')){
   
set_magic_quotes_runtime(0);
}
?>

php at nospam-qualystem dot com

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.

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