date_formatting_cakephp.php

<?php
        if (!isset(static::$_formatters[$key])) {
            if ($timezone === '+00:00' || $timezone === 'Z') {
                $timezone = 'UTC';
            } elseif ($timezone[0] === '+' || $timezone[0] === '-') {
                $timezone = 'GMT' . $timezone;
            }
            static::$_formatters[$key] = datefmt_create(
                $locale,
                $dateFormat,
                $timeFormat,
                $timezone,
                $calendar,
                $pattern
            );
        }

        return static::$_formatters[$key]->format($date->format('U'));