简单PHP防注入内容过滤方法
内容过滤多是为了防止一些安全注入或者是跨域操作了,下面我们一起来看看我整理的几个简单的防注入内容过滤程序代码,希望文章对各位同学会有所帮助。
方法一,过滤一些没用的内容
过滤没用的信息比较严格,有用的可能也输入不进去,可以从网上找找其他的过滤方法:
代码如下 | 复制代码 |
function checkHtml($data){ |
例2 过滤一些html标签了
代码如下 | 复制代码 |
|
方法三,上面两种方法都是把要过滤内容放在了程序中,下面我把要过滤的内容放到一个txt文本只,第次只要读文件内容进行判断即可,这样方便维护要过滤的内容。
代码如下 | 复制代码 |
if($_POST) 测试过滤是否生效: |

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