Простая реализация загрузки изображений с помощью собственного Ajax+php

//accept restricts the type of upload
 

$data = var_export ($_FILES, true); // Receive FormData
Define ('UPLOAD_DIR','. / Resources/skill/'); // Set up your download directory here
FileName = UPLOAD_DIR. $a.'. gif'; // This can be another file type, but the front-end accept will also change.
$success = file_put_contents ($fileName, $data); // Upload files here need to pass two parameters, one is file path + file and the other is FormData we received from the front end.
$data=array();
if($success){
        $data['status']=$fileName;
        $data ['msg']='successful upload';
        echo json_encode($data);
}else{
        $data['status']=0;
        Data ['msg']='The system is busy, please try again after sale';
        echo json_encode($data);
}
// The last thing to return is the JSON format