utils.php

<?php
/**
 * Utils Class
 *
 * Class with utility methods
 *
 * @author Gabriel Guerreiro <gabrielguerreiro.com>
 **/

class Utils {


	/**
	 * Return a number formated
	 *
	 * @param  int    $number [number]
	 * @return string
	 */
	public static function formatNumber($number) {

		$int = filter_var($number, FILTER_SANITIZE_NUMBER_INT);

		return str_replace(array('-','+'), '', $int);
	}



	/**
	 * Return a Slug formated
	 *
	 * @param  string $slug [slug]
	 * @return string
	 */
	public static function formatSlug($slug) {

		return trim(strtolower($slug));
	}



	/**
	 * Return a Amount formated
	 *
	 * @param  int    $amount [Price/Value]
	 * @return string
	 */
	public static function formatAmount($amount) {

		if (strpos($amount, ',') !== false || strpos($amount, '.') !== false)
			$amount = number_format($amount, 2, '', '');

		if (strlen($amount) <= 2)
			$amount = str_pad($amount, 3, "0", STR_PAD_RIGHT);

		return $amount;
	}

}

?>