Online PHP editor | perf for 0RPD9

<?php namespace Zend\Stdlib { use DateTimeZone; /** * DateTime * * An extension of the \DateTime object. */ class DateTime extends \DateTime { public function __construct($time = 'now', $timezone = null) { // workaround not required for PHP 5.3.7 or newer if(version_compare(PHP_VERSION, '5.3.7','>=')){ return parent::__construct($time, $timezone); } // Check if using relative constructs if(!stristr($time, 'last') && !stristr($time, 'first')){ return parent::__construct($time, $timezone); } // Use current time with constructor to prevent setting 'first_last_day_of' flag parent::__construct('now', $timezone); // Set the timestamp by relying on strtotime and avoiding setting the // internal 'first_last_day_of' flag of DateTime object. $this->setTimestamp( strtotime($time, $this->getTimestamp()) ); return $this; } public function modify($modify) { // Workaround not required for PHP 5.3.7 or newer if(version_compare(PHP_VERSION, '5.3.7','>=')){ return parent::modify($modify); } // Check if using relative constructs if(!stristr($modify, 'last') && !stristr($modify, 'first')){ return parent::modify($modify); } // Set the timestamp by relying on strtotime and avoiding setting the // internal 'first_last_day_of' flag of DateTime object. $parsedTimestamp = strtotime($modify, $this->getTimestamp()); if ($parsedTimestamp === false) { return false; // something went wrong parsing the date } $this->setTimestamp($parsedTimestamp); return $this; } } } $interval = new DateInterval('P1D'); $dt = new \DateTime('2012-05-05'); var_dump($dt); $dt->add($interval); var_dump($dt);

Version	System time (s)	User time (s)	Memory (MiB)
5.4.14	0.003	0.037	16.53
5.4.13	0.000	0.070	16.47
5.4.12	0.000	0.037	16.50
5.4.11	0.000	0.067	16.40
5.4.10	0.000	0.043	16.53
5.4.9	0.000	0.067	16.44
5.4.8	0.003	0.067	16.50
5.4.7	0.010	0.063	16.55
5.4.6	0.007	0.063	16.37
5.4.5	0.007	0.067	16.35
5.4.4	0.007	0.050	16.50
5.4.3	0.007	0.060	16.39
5.4.2	0.007	0.057	16.23
5.4.1	0.000	0.050	16.26
5.4.0	0.003	0.070	15.88
5.3.24	0.000	0.040	14.68
5.3.23	0.003	0.043	14.66
5.3.22	0.007	0.050	14.55
5.3.21	0.007	0.067	14.63
5.3.20	0.007	0.070	14.63
5.3.19	0.003	0.077	14.64
5.3.18	0.003	0.060	14.64
5.3.17	0.003	0.077	14.44
5.3.16	0.003	0.073	14.69
5.3.15	0.007	0.073	14.66
5.3.14	0.007	0.070	14.59
5.3.13	0.003	0.073	14.42
5.3.12	0.000	0.040	14.66
5.3.11	0.007	0.057	14.67
5.3.10	0.003	0.037	14.01
5.3.9	0.003	0.060	14.03
5.3.8	0.003	0.033	14.09
5.3.7	0.007	0.067	13.95
5.3.6	0.000	0.057	13.87
5.3.5	0.000	0.073	14.04
5.3.4	0.000	0.077	13.87
5.3.3	0.007	0.067	14.03
5.3.2	0.000	0.070	13.64
5.3.1	0.003	0.033	13.64
5.3.0	0.003	0.033	13.70