3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a {private $b = 1} $a = new a(); var_dump($a);

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)
5.4.40.0030.03716.46
5.4.30.0000.04016.34
5.4.20.0030.03716.38
5.4.10.0070.03016.38
5.4.00.0030.03315.77
5.3.140.0030.03714.57
5.3.130.0000.04014.55
5.3.120.0030.03714.58
5.3.110.0030.03714.46
5.3.100.0030.03314.08
5.3.90.0000.04314.07
5.3.80.0070.03014.06
5.3.70.0000.04014.02
5.3.60.0030.03314.02
5.3.50.0100.03013.96
5.3.40.0070.03314.02
5.3.30.0000.03713.91
5.3.20.0000.04013.72
5.3.10.0000.03713.69
5.3.00.0030.03313.64

preferences:
139.87 ms | 1394 KiB | 7 Q