清除XSS
程序员文章站
2022-04-28 10:17:51
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[代码][PHP]代码
/** * * 清除XSS * fc_lamp * @param $string * @param $low 安全别级低 * @internal * clean_xss($_POST); */ function clean_xss(&$string, $low = False) { if (! is_array ( $string )) { $string = trim ( $string ); $string = strip_tags ( $string ); $string = htmlspecialchars ( $string ); if ($low) { return True; } $string = str_replace ( array ('"', "\\", "'", "/", "..", "../", "./", "//" ), '', $string ); $no = '/%0[0-8bcef]/'; $string = preg_replace ( $no, '', $string ); $no = '/%1[0-9a-f]/'; $string = preg_replace ( $no, '', $string ); $no = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S'; $string = preg_replace ( $no, '', $string ); return True; } $keys = array_keys ( $string ); foreach ( $keys as $key ) { clean_xss ( $string [$key] ); } }
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