3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Alice { protected const FOO = 'BLAH'; } class Wonderland extends Alice { protected const FOO = 'bar'; } var_dump(Wonderland::FOO); class Cat { protected final const FOO = 'bar'; } class Chesire extends Cat { protected const BAZ = 'too'; }

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)
8.4.140.0120.00917.78
8.4.130.0040.00918.88
8.4.120.0140.00524.31
8.4.110.0130.00718.86
8.4.100.0110.00917.89
8.4.90.0110.01020.30
8.4.80.0060.00219.06
8.4.70.0130.00620.75
8.4.60.0160.00422.08
8.4.50.0110.00918.60
8.4.40.0160.00619.58
8.4.30.0160.00317.54
8.4.20.0100.01019.77
8.4.10.0100.00718.05
8.3.270.0110.00916.74
8.3.260.0090.00216.67
8.3.250.0120.00718.71
8.3.240.0050.00317.16
8.3.230.0120.00916.60
8.3.220.0100.00919.02
8.3.210.0030.00516.69
8.3.200.0070.00216.49
8.3.190.0100.00916.89
8.3.180.0070.01118.78
8.3.170.0120.00816.98
8.3.160.0150.00316.68
8.3.150.0090.00916.75
8.3.140.0110.00416.58
8.3.130.0130.00718.21
8.3.120.0090.00018.67
8.3.110.0040.00422.58
8.3.100.0000.00820.94
8.3.90.0050.00320.94
8.3.50.0030.00520.94
8.2.290.0050.00520.25
8.2.280.0060.00318.68
8.2.270.0120.00618.29
8.2.260.0120.00317.23
8.2.250.0080.00016.88
8.2.240.0000.00818.79
8.2.230.0070.00420.94
8.2.220.0080.00822.58
8.2.210.0050.00322.58
8.1.330.0130.00621.92
8.1.320.0110.00718.02
8.1.310.0100.00718.26
8.1.300.0100.00716.30
7.1.10.0070.06522.24
7.1.00.0130.05322.37
7.0.150.0100.05321.83
7.0.140.0020.06221.89
7.0.130.0050.05821.91
7.0.120.0070.06221.92
7.0.110.0100.05721.90
7.0.100.0100.05321.81
7.0.90.0070.06521.90
7.0.80.0130.05321.77
7.0.70.0120.06521.82
7.0.60.0120.05721.73
7.0.50.0130.06021.87
7.0.40.0170.06521.91
7.0.30.0150.05821.87
7.0.20.0100.06721.91
7.0.10.0150.06321.80
7.0.00.0080.06521.93

preferences:
29.53 ms | 403 KiB | 5 Q