3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/^([ab]+).+([ef]+)$/', 'abcdef', list($foo, $bar)); var_dump(get_defined_vars());

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)
5.4.320.0200.07719.22
5.4.310.0270.07019.00
5.4.300.0200.03719.20
5.4.290.0300.04019.22
5.4.280.0230.07019.16
5.4.270.0270.06718.87
5.4.260.0200.04319.05
5.4.250.0130.07719.23
5.4.240.0300.05019.30
5.4.230.0270.04319.30
5.4.220.0230.07319.21
5.4.210.0200.07718.94
5.4.200.0200.07019.23
5.4.190.0200.06718.87
5.4.180.0130.04318.93
5.4.170.0200.07019.23
5.4.160.0230.04318.93
5.4.150.0170.04719.07
5.4.140.0200.03316.34
5.4.130.0170.05016.41
5.4.120.0200.06316.37
5.4.110.0170.03716.54
5.4.100.0230.05016.58
5.4.90.0200.06716.45
5.4.80.0270.05316.44
5.4.70.0130.04016.39
5.4.60.0170.03716.53
5.4.50.0200.05016.30
5.4.40.0300.06716.25
5.4.30.0300.03716.53
5.4.20.0230.03316.52
5.4.10.0300.06716.39
5.4.00.0270.06015.84
5.3.290.0270.06314.80
5.3.280.0300.05314.80
5.3.270.0200.07714.80
5.3.260.0270.05314.80
5.3.250.0200.03714.80
5.3.240.0270.06714.80
5.3.230.0130.04314.80
5.3.220.0130.04314.80
5.3.210.0130.04314.80
5.3.200.0270.03714.80
5.3.190.0300.07014.80
5.3.180.0270.07014.80
5.3.170.0230.05314.80
5.3.160.0200.05314.80
5.3.150.0200.06014.80
5.3.140.0230.07314.80
5.3.130.0200.03714.80
5.3.120.0230.06714.80
5.3.110.0200.08014.80
5.3.100.0270.06714.80
5.3.90.0230.05314.80
5.3.80.0270.04714.80
5.3.70.0300.06714.80
5.3.60.0300.06714.80
5.3.50.0230.06314.80
5.3.40.0230.07314.80
5.3.30.0230.03314.80
5.3.20.0130.04014.80
5.3.10.0230.04714.80
5.3.00.0200.04714.80
5.2.170.0170.03314.80
5.2.160.0200.02714.80
5.2.150.0200.03714.80
5.2.140.0200.04714.80
5.2.130.0170.04714.80
5.2.120.0170.04014.80
5.2.110.0170.06014.80
5.2.100.0170.02714.80
5.2.90.0170.02714.80
5.2.80.0230.02014.80
5.2.70.0200.04014.80
5.2.60.0200.06014.80
5.2.50.0200.06014.80
5.2.40.0170.04714.80
5.2.30.0170.06014.80
5.2.20.0200.05714.80
5.2.10.0100.04014.80
5.2.00.0200.05714.80
5.1.60.0130.03314.80
5.1.50.0200.04714.80
5.1.40.0300.02014.80
5.1.30.0170.05714.80
5.1.20.0200.04714.80
5.1.10.0230.04714.80
5.1.00.0170.05014.80
5.0.50.0070.03014.80
5.0.40.0100.02714.80
5.0.30.0170.05314.80
5.0.20.0100.02714.80
5.0.10.0070.04714.80
5.0.00.0070.06714.80
4.4.90.0030.03014.80
4.4.80.0070.03014.80
4.4.70.0070.02314.80
4.4.60.0070.03714.80
4.4.50.0070.02314.80
4.4.40.0070.05714.80
4.4.30.0070.04014.80
4.4.20.0070.03714.80
4.4.10.0200.02714.80
4.4.00.0130.05014.80
4.3.110.0030.02314.80
4.3.100.0130.03014.80
4.3.90.0100.03014.80
4.3.80.0100.05314.80
4.3.70.0100.03014.80
4.3.60.0030.03014.80
4.3.50.0100.03714.80
4.3.40.0100.03314.80
4.3.30.0070.02014.80
4.3.20.0000.03014.80
4.3.10.0030.03314.80
4.3.00.0030.03714.80

preferences:
143.86 ms | 1394 KiB | 7 Q