3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * * @param string $strUserAgent The headers user agent. When not set it's evaluated by $_SERVER["HTTP_USER_AGENT"] * @return NETRADA_Tools_UserAgent The Instance of the userAgent */ public static function getInstance($strUserAgent = null) { if(self::$_instance === null) { self::$_instance = new NETRADA_Tools_UserAgent($strUserAgent); } else { if($strUserAgent != null) { self::$_instance->setUserAgent($strUserAgent); } } return self::$_instance; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.40.0160.04211.98
5.4.30.0180.06111.98
5.4.20.0190.03711.97
5.4.10.0170.04211.98
5.4.00.0240.05111.47
5.3.140.0200.05312.66
5.3.130.0160.04912.66
5.3.120.0170.04312.66
5.3.110.0230.06112.66
5.3.100.0180.04412.12
5.3.90.0130.04412.08
5.3.80.0180.05012.08
5.3.70.0150.04512.07
5.3.60.0220.05812.07
5.3.50.0160.04412.00
5.3.40.0130.04412.00
5.3.30.0220.05411.95
5.3.20.0140.04311.73
5.3.10.0170.03911.69
5.3.00.0160.04011.67

preferences:
138.34 ms | 1394 KiB | 7 Q