3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { const test = 'test'; } $b = 'test'; var_dump(a::{$b});

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)
5.4.320.0330.04718.99
5.4.310.0400.06719.15
5.4.300.0500.05319.12
5.4.290.0370.04019.20
5.4.280.0400.07319.14
5.4.270.0430.07019.22
5.4.260.0430.05318.87
5.4.250.0330.04318.94
5.4.240.0400.07019.08
5.4.230.0470.06019.16
5.4.220.0470.04319.00
5.4.210.0270.06319.07
5.4.200.0500.03719.08
5.4.190.0330.04718.99
5.4.180.0400.06319.08
5.4.170.0330.06319.07
5.4.160.0330.03318.93
5.4.150.0330.07019.04
5.4.140.0330.05316.41
5.4.130.0270.03716.37
5.4.120.0400.06716.46
5.4.110.0370.06016.63
5.4.100.0230.03716.61
5.4.90.0230.03716.50
5.4.80.0330.05716.36
5.4.70.0300.06016.57
5.4.60.0270.03316.49
5.4.50.0330.06316.43
5.4.40.0300.07316.48
5.4.30.0330.03716.52
5.4.20.0300.04316.48
5.4.10.0330.05316.42
5.4.00.0300.05015.86
5.3.290.0370.04714.56
5.3.280.0400.06714.56
5.3.270.0400.06714.51
5.3.260.0470.06014.61
5.3.250.0400.05314.61
5.3.240.0470.06714.75
5.3.230.0330.04714.50
5.3.220.0400.06314.46
5.3.210.0470.06014.65
5.3.200.0470.02714.46
5.3.190.0370.04314.71
5.3.180.0530.05714.63
5.3.170.0330.04014.45
5.3.160.0300.04314.55
5.3.150.0400.05714.48
5.3.140.0500.05314.54
5.3.130.0300.04014.63
5.3.120.0330.03314.56
5.3.110.0330.03714.46
5.3.100.0400.05014.24
5.3.90.0400.06314.24
5.3.80.0330.04014.24
5.3.70.0470.06314.24
5.3.60.0430.06014.24
5.3.50.0500.05714.24
5.3.40.0470.06314.24
5.3.30.0370.03714.24
5.3.20.0500.05314.24
5.3.10.0370.03014.24
5.3.00.0470.06714.24
5.2.170.0300.03314.24
5.2.160.0330.05714.24
5.2.150.0300.03314.24
5.2.140.0370.05014.24
5.2.130.0470.04314.24
5.2.120.0470.04714.24
5.2.110.0330.03314.24
5.2.100.0270.04014.24
5.2.90.0230.03014.24
5.2.80.0400.05314.24
5.2.70.0370.05714.24
5.2.60.0570.02014.24
5.2.50.0330.03314.24
5.2.40.0270.04314.24
5.2.30.0230.05314.24
5.2.20.0200.03314.24
5.2.10.0330.04014.24
5.2.00.0300.03714.24
5.1.60.0230.02314.24
5.1.50.0270.03314.24
5.1.40.0270.05314.24
5.1.30.0230.03714.24
5.1.20.0270.05014.24
5.1.10.0270.05014.24
5.1.00.0230.02714.24
5.0.50.0130.04314.24
5.0.40.0170.03314.24
5.0.30.0200.03314.24
5.0.20.0170.04014.24
5.0.10.0130.04314.24
5.0.00.0130.04714.24
4.4.90.0100.03314.24
4.4.80.0170.01714.24
4.4.70.0130.01714.24
4.4.60.0130.02314.24
4.4.50.0200.02314.24
4.4.40.0170.04314.24
4.4.30.0130.02014.24
4.4.20.0100.02714.24
4.4.10.0200.02014.24
4.4.00.0170.05014.24
4.3.110.0100.03714.24
4.3.100.0130.02314.24
4.3.90.0100.02014.24
4.3.80.0130.02714.24
4.3.70.0130.03314.24
4.3.60.0100.01314.24
4.3.50.0130.03014.24
4.3.40.0170.03314.24
4.3.30.0030.02314.24
4.3.20.0070.01714.24
4.3.10.0070.03314.24
4.3.00.0030.03314.24

preferences:
141.24 ms | 1394 KiB | 7 Q