3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Window { public function open(); public function close(); } class XWindow extends Window { public function open() { echo 'open'; } public function close() { echo 'close'; } }

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)
5.4.140.0030.05716.30
5.4.130.0030.06016.29
5.4.120.0000.05316.37
5.4.110.0130.06716.47
5.4.100.0130.05716.38
5.4.90.0030.04716.41
5.4.80.0070.04316.39
5.4.70.0100.06716.46
5.4.60.0100.06716.37
5.4.50.0030.04016.27
5.4.40.0030.06716.34
5.4.30.0070.04016.30
5.4.20.0130.06316.34
5.4.10.0030.07716.36
5.4.00.0030.03315.74
5.3.240.0130.06314.61
5.3.230.0070.05314.53
5.3.220.0070.04014.58
5.3.210.0100.07014.55
5.3.200.0070.04714.62
5.3.190.0000.05314.65
5.3.180.0100.07014.59
5.3.170.0030.04314.57
5.3.160.0000.06014.62
5.3.150.0100.05714.70
5.3.140.0100.05014.57
5.3.130.0070.07314.70
5.3.120.0030.08014.60
5.3.110.0070.06014.57
5.3.100.0000.04014.07
5.3.90.0100.03314.02
5.3.80.0030.04014.06
5.3.70.0030.07313.90
5.3.60.0030.07313.89
5.3.50.0070.04713.93
5.3.40.0000.05313.89
5.3.30.0100.06714.06
5.3.20.0030.06313.72
5.3.10.0070.04313.57
5.3.00.0070.04713.70

preferences:
144.68 ms | 1394 KiB | 7 Q