Make sure that the shape employs method="post" The shape also desires the subsequent feature: enctype="multipart/form-data". This specifies which in turn content-type to utilize as soon as posting the form.

Without worrying about demands above, the actual record post is not going to work.

<form method="post" enctype="multipart/form-data">
    <div>Select file to upload</div>
    <div><input type="file" name="photo" id="photo" multiple="true"/></div>
    <input type="submit" name="sub" id="sub"  value="submit" />
</form>

mkdir - make directory(folder) ./uploads/" - specifies the directory where the file is going to be placed

<?php

    if(!mkdir('./uploads/'))
    {
        mkdir('./uploads/',0777);
    }

    $upload = './uploads/';

    foreach($_FILES['photo']['name'] as $image_name => $imgName)
    {
        $imageName = $_FILES['photo']['name'][$image_name];
        $imageTempName = $_FILES['photo']['tmp_name'][$image_name];
        move_uploaded_file($imageTempName,$upload.$imageName);
        echo "File uploaded successfully!!!";           
    }                
?>