mysql_escape_string()函数用法分析,mysqlescapestring
mysql_escape_string()函数用法分析,mysqlescapestring
本文实例讲述了mysql_escape_string()函数用法。分享给大家供大家参考,具体如下:
使用 mysql_escape_string() 对查询中有疑问的数据进行编码:
有一些数据例如:
char query(1024); sprintf (query, "select * from my_tbl where name = '%s'",name);
如果这个时候,name 中包含了如: "0'Malley,Brian" 这样的数据就会产生这样的查询语句: select * from my_tbl where name = '0'Malley,Brian' 这样就导致了错误的产生。
调用 mysql_escape_string() 的过程如下:
my $item = "aaa's bbb" my $escape_item = mysql_escape_string($item);
此时,escape_item 的内容是: aaa\'s bbb
PS:在PHP5.3中已经弃用该函数,因此仅对该函数有所了解即可,不推荐使用。
更多关于PHP相关内容感兴趣的读者可查看本站专题:《php程序设计安全教程》、《php安全过滤技巧总结》、《PHP运算与运算符用法总结》、《PHP网络编程技巧总结》、《PHP基本语法入门教程》、《php操作office文档技巧总结(包括word,excel,access,ppt)》、《php面向对象程序设计入门教程》、《php字符串(string)用法总结》、《php+mysql数据库操作入门教程》及《php常见数据库操作技巧汇总》
希望本文所述对大家PHP程序设计有所帮助。

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