<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Log\Formatter;
use DateTime;
use Traversable;
class Db implements FormatterInterface
{
/**
* Format specifier for DateTime objects in event data (default: ISO 8601)
*
* @see http://php.net/manual/en/function.date.php
* @var string
*/
protected $dateTimeFormat = self::DEFAULT_DATETIME_FORMAT;
/**
* Class constructor
*
* @see http://php.net/manual/en/function.date.php
* @param null|string $dateTimeFormat Format specifier for DateTime objects in event data
*/
public function __construct($dateTimeFormat = null)
{
if ($dateTimeFormat instanceof Traversable) {
$dateTimeFormat = iterator_to_array($dateTimeFormat);
}
if (is_array($dateTimeFormat)) {
$dateTimeFormat = isset($dateTimeFormat['dateTimeFormat'])? $dateTimeFormat['dateTimeFormat'] : null;
}
if (null !== $dateTimeFormat) {
$this->setDateTimeFormat($dateTimeFormat);
}
}
/**
* Formats data to be written by the writer.
*
* @param array $event event data
* @return array
*/
public function format($event)
{
$format = $this->getDateTimeFormat();
array_walk_recursive($event, function (&$value) use ($format) {
if ($value instanceof DateTime) {
$value = $value->format($format);
}
});
return $event;
}
/**
* {@inheritDoc}
*/
public function getDateTimeFormat()
{
return $this->dateTimeFormat;
}
/**
* {@inheritDoc}
*/
public function setDateTimeFormat($dateTimeFormat)
{
$this->dateTimeFormat = (string) $dateTimeFormat;
return $this;
}
}