seferov/awsBundle

<?php

/*
 * This file is part of the SeferovAwsBundle package.
 *
 * (c) Farhad Safarov <https://farhadsafarov.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Seferov\AwsBundle\Util;

class StringUtil
{
    /**
     * Converts camelcase strings into underscore ones.
     *
     * @param string $string
     *
     * @return string
     */
    public static function camelcaseToUnderscore($string)
    {
        return strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $string));
    }
}