php: how to upload video in php withou html form code example

Example 1: php upload file

<?php
   if(isset($_FILES['image'])){
      $errors= array();
      $file_name = $_FILES['image']['name'];
      $file_size =$_FILES['image']['size'];
      $file_tmp =$_FILES['image']['tmp_name'];
      $file_type=$_FILES['image']['type'];
      $file_ext=strtolower(end(explode('.',$_FILES['image']['name'])));
      
      $extensions= array("jpeg","jpg","png");
      
      if(in_array($file_ext,$extensions)=== false){
         $errors[]="extension not allowed, please choose a JPEG or PNG file.";
      }
      
      if($file_size > 2097152){
         $errors[]='File size must be excately 2 MB';
      }
      
      if(empty($errors)==true){
         move_uploaded_file($file_tmp,"images/".$file_name);
         echo "Success";
      }else{
         print_r($errors);
      }
   }
?>

Example 2: how to print image just on side where upload php

<?php    $galleryPath = "Gallery/";        $descriptions = new DOMDocument("1.0");    $descriptions->appendChild($descriptions->createElement("files"));        while (($uploadedFile = UploadedFiles::fetchNext()) != null){        $sourceFile = $uploadedFile->getSourceFile();        $sourceFileName = $sourceFile->getFileName();            $descriptionsFile = $descriptions->createElement("file");        $descriptionsFile->setAttribute("name", $sourceFileName);        $descriptionsFile->setAttribute("width", $sourceFile->getWidth());        $descriptionsFile->setAttribute("height", $sourceFile->getHeight());        $descriptionsFile->setAttribute("description", $uploadedFile->getDescription());        $descriptions->documentElement->appendChild($descriptionsFile);                    $sourceFile->save($galleryPath. "/" .$sourceFileName);    }            $descriptions->save("Descriptions.xml");?>