React: как правильно загрузить картинку(php)?

$target_dir = "uploads/";
            $target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
            $uploadOk = 1;
            $imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));
                $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
                if($check !== false) {
                    echo "File is an image - " . $check["mime"] . ".";
                    $uploadOk = 1;
                } else {
                    echo "File is not an image.";
                    $uploadOk = 0;
                }

constructor(props) {
        super(props)
        $(document).ready(function (e){
            console.log(1)
            $("#uploadForm").on('submit',(function(e){
                console.log(2)
                e.preventDefault();
                $.ajax({
                    url: "https://worldwideshop.ru/vbot-dev/api/?command=upload_img&file_name=1.jpeg",
                    type: "POST",
                    data:  new FormData(this),
                    contentType: false,
                    cache: false,
                    processData:false,
                    success: function(data){
                        // $("#targetLayer").html(data);
                        console.log(data)
                    },
                    error: function(){
                        console.log(4)
                    }
                });
            }));
        });
    }

<form id="uploadForm" method="post">
                            <label>Upload Image File:</label><br/>
                            <input name="userImage" type="file" class="inputFile" />
                            <input type="submit" value="Submit" class="btnSubmit" />
                        </form>