php防注入代码方法,过滤所有GET POST
php anti-injection
这里我们是告诉各位朋友关于php防注入代码方法,过滤所有GET POST,因为大多数据都是能过get post 方法注入,当然还有files.
<?php /* 过滤所有GET过来变量 */ foreach ($_GET as $get_key => $get_var) { if (is_numeric($get_var)) { $get[strtolower($get_key) ] = get_int($get_var); } else { $get[strtolower($get_key) ] = get_str($get_var); } } /* 过滤所有POST过来的变量 */ foreach ($_POST as $post_key => $post_var) { if (is_numeric($post_var)) { $post[strtolower($post_key) ] = get_int($post_var); } else { $post[strtolower($post_key) ] = get_str($post_var); } } /* 过滤函数 */ //整型过滤函数 function get_int($number) { return intval($number); } //字符串型过滤函数 function get_str($string) { if (!get_magic_quotes_gpc()) { return addslashes($string); } return $string; }
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