Validate Max File Size For Upload (Image)

Set the file upload size limit in the setting.

Directory

INSERT INTO `wolf_module_setting` (`id`, `module`, `name`, `value_type`, `value`, `created_on`, `updated_on`, `created_by_id`, `updated_by_id`) VALUES (NULL, 'page', 'Max Img Size Upload', 'number', '20', NOW(), NULL, NULL, NULL);

function upload_file($origin, $dest, $tmp_name, $overwrite=false,$nid=null){
	FileManagerController::_checkPermission();
	$max_upload_limit = ModuleSetting::findSetting('page', 'Max Img Size Upload');
	$origin = basename($origin);
	$full_dest = $dest.$origin;
	$file_name = $origin;

	$uploaded_file_size = filesize($tmp_name);
	
	// Convert MB limit to bytes for comparison
	$max_upload_bytes = $max_upload_limit * 1024 * 1024;

	if ($uploaded_file_size > $max_upload_bytes) {
		Flash::set('error', __('Uploaded file exceeds the maximum allowed size of ' . $max_upload_limit . 'MB.'));
		return;
	}

	for ($i=1; file_exists($full_dest); $i++)
	{
		if ($overwrite) {
			unlink($full_dest);
			continue;
		}
		$file_ext = (strpos($origin, '.') === false ? '': '.'.substr(strrchr($origin, '.'), 1));
		$file_name = substr($origin, 0, strlen($origin) - strlen($file_ext)).'_'.$i.$file_ext;
		$full_dest = $dest.$file_name;
	}

	// create new directory
	if (!file_exists($dest)) {
		if (mkdir($dest)) { chmod($dest, 0755); }
	}

	if (move_uploaded_file($tmp_name, $full_dest))
	{
		//Add Image to database
		$data = isset($_POST['business_profile']) ? $_POST['business_profile'] : null;
		if ($data) {
			Flash::set('post_data', (object) $data);
		}

		$business_profile = BusinessProfile::findById($nid);
		if ($business_profile) {
			if (!$business_profile->update('BusinessProfile', array('image' => $file_name), 'id=' . $nid)) {
				Flash::set('error', __('Image has not been updated.'));
			}
		}
		// else {
		// 	Flash::set('success', __('Business Profile has been updated!'));
		// }

		// if (isset($_POST['commit']))
		// 	redirect(get_url('business_profile/'));
		// else
		// 	redirect(get_url('business_profile/editbusinessprofile/'.$nid));
			
		// change mode of the dire to 0644 by default
		chmod($full_dest, 0644);

		return $file_name;
	}

	return false;
} // upload_file