Photo upload not uploading files bigger than 2MB - php

Question

I have a php file upload in place in which the forms target is an iframe.
It uploads files less than 2mb fine. But anything larger it will not upload. I cant see any reason behind this in the code.
<div id="upload_wrapper">
<img src="../images/logo.png" alt="logo5" width="" height="" style="padding:0px;" />
<h3>Profile picture upload</h3>
<form id="upload" name="upload" enctype="multipart/form-data" method="post" action="index.php" target="upload_target">
<input name="folder" type="hidden" value="<?php echo $folder ?>" />
<input name="filename" type="hidden" value="<?php echo $filename ?>" />
<input name="uploaded_file" type="file" size="5120" id="uploaded_file" />
<input id="sent" name="sent" type="submit" value="Upload" />
</form>
</div>
<div id="loading" style="background:url(ajax-loader.gif) no-repeat left; height:50px; width:370px; display:none;">
<p style="margin-left:40px; padding-top:15px;">Uploading File... Please wait</p>
</div>
<div id="image_wrapper" style="display:none;"><p id="preview"></p></div>
<iframe id="upload_target" name="upload_target" style="width:10px; height:10px; display:none"></iframe>
</div>
And heres the php upload code
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$targetFolder = $_POST['folder'] . "/";
$filename2 = $_POST['filename'];
if (!is_dir($targetFolder))
{
mkdir($targetFolder, 0777);
}
$tempFile = $_FILES['uploaded_file']['tmp_name'];
$targetPath = dirname(__FILE__) . '/' . $targetFolder;
$targetFile = rtrim($targetPath,'/') . '/' . $_FILES['uploaded_file']['name'];
// Validate the file type
$fileTypes = array('jpg'); // File extensions
$fileParts = pathinfo($_FILES['uploaded_file']['name']);
if (in_array($fileParts['extension'],$fileTypes))
{
$uploadfile = $targetFolder. basename($filename2 .".".$fileParts['extension']);
move_uploaded_file($tempFile,$uploadfile);
$fileName = $uploadfile;
}
echo "<div id='filename'>$fileName</div>";
}

Answer 1

Maybe changing your php server's configuration would help (example for 10MB):
ini_set('upload_max_filesize', '10M');

Answer 2

make sure your php.ini configuration support large files. upload_max_filesize and post_max_size also you can change the configuration temporary using ini_set before you handle the upload process.

Answer 3

try this may be it would work put it in your code and then try
define ("MAX_SIZE","1000"); // put your max size value
$size=filesize($_FILES['uploaded_file']['tmp_name']);
//compare the size with the maxim size we defined and print error if bigger
if ($size > MAX_SIZE*1024)
{
echo '<h1>You have exceeded the size limit!</h1>';
$errors=1;
}
or else you have to edit in php.ini found in document root/php/php.ini

Answer 4

You can change your server setting. Look for the php.ini file and search "upload_max_filesize"