php获取前端提交数据类：支持危险数据过滤

/*** 获取前台提交的数据：支持危险数据自动过滤*/class getRequest{/* 判断前端传入方式，转换成能用数据 */public function getRequestData(){ ???$data; ???$ret; ???$contenttype = strtolower($_SERVER[‘CONTENT_TYPE‘]); ???$method = strtolower($_SERVER[‘REQUEST_METHOD‘]); ???if($contenttype == ‘application/json‘){ ???????$data = file_get_contents(‘php://input‘); ???????$data = json_decode($data,true); ???}elseif(in_array($contenttype,array(‘application/x-www-form-urlencoded‘,‘multipart/form-data‘)) || $method == ‘post‘){ ???????$data = $_POST; ???}elseif(in_array($contenttype,array(‘application/x-www-form-urlencoded‘,‘multipart/form-data‘)) || $method == ‘get‘){ ???????$data = $_GET; ???}else{ ???????parse_str(file_get_contents(‘php://input‘),$data); ???} ???$ret = $this->safetyData($data); ???return $ret;}/* 内部函数：过滤危险数据 */private function safetyData($data){ ???foreach($data as $k=>$v){ ???????if(is_array($v)){ ???????????$data[$k] = $this->safetyData($v); ???????}else{ ???????????$tmp = trim($v); ???????????$tmp = addslashes($tmp); ???????????$data[$k] = $tmp; ???????} ???} ???return $data;}}

$getRequest = new getRequest();$data = $getRequest->getRequestData();var_dump($data);