[php] Check if specific input file is empty

<input type="file" class="custom-file-input" id="imagefile" name="imagefile[]"  multiple lang="en">
<input type="hidden" name="hidden_imagefile[]" value="<?=$row[2]; ?>" class="form-control border-input" >

    if($_FILES['imagefile']['name'] == '')
        {
          $img = $_POST['hidden_imagefile'];
        }
        else{
          $img = '';
          $uploadFolder = 'uploads/gallery/';
          foreach ($_FILES['imagefile']['tmp_name'] as $key => $image) {
            $imageTmpName = time() .$_FILES['imagefile']['tmp_name'][$key];
            $imageName = time() .$_FILES['imagefile']['name'][$key];
            $img .= $imageName.',';
            $result = move_uploaded_file($imageTmpName, $uploadFolder.$img);
          }
          
        }

Examples related to php

• I am receiving warning in Facebook Application using PHP SDK • Pass PDO prepared statement to variables • Parse error: syntax error, unexpected [ • Preg_match backtrack error • Removing "http://" from a string • How do I hide the PHP explode delimiter from submitted form results? • Problems with installation of Google App Engine SDK for php in OS X • Laravel 4 with Sentry 2 add user to a group on Registration • php & mysql query not echoing in html with tags? • How do I show a message in the foreach loop?