Function _img

Get the image file name with absolute web path

Package: PHPLucidFrame\Core
Copyright: Copyright (c), PHPLucidFrame.
License: MIT License This source file is subject to the MIT license that is bundled with this source code in the file LICENSE
Located at helpers/utility_helper.php

Parameters summary
`string`	`$file`	An image file name only (no need directory path)

Return value summary
`string`	The absolute image URL if the file found or empty string if it is not found