Laravel versioned assets helper #laravel

versioned_asset.php

<?php
/**
 * Generate a URL to an application asset with a versioned timestamp parameter.
 *
 * @param  string $path
 * @param  boolean $secure
 * @return string
 */
function versioned_asset($path, $secure = null)
{
    $timestamp = @filemtime(public_path($path)) ?: 0;
    return asset($path, $secure) . '?' . $timestamp;
}