3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Bar {} if (!class_exists(Bar::class)) { interface Bar {} } class Foo implements Bar {}

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)
8.5.00.0110.00919.99
8.4.150.0020.00114.05
8.4.140.0090.01117.58
8.4.130.0120.00817.91
8.4.120.0130.00620.52
8.4.110.0060.00322.40
8.4.100.0090.01017.89
8.4.90.0090.00822.16
8.4.80.0090.00819.62
8.4.70.0130.00618.04
8.4.60.0130.00618.74
8.4.50.0070.00420.54
8.4.40.0090.00618.75
8.4.30.0100.01020.44
8.4.20.0030.00521.25
8.4.10.0070.01019.51
8.3.280.0100.01018.33
8.3.270.0110.01016.44
8.3.260.0110.00916.68
8.3.250.0090.00818.89
8.3.240.0120.00716.63
8.3.230.0170.00316.44
8.3.220.0160.00316.98
8.3.210.0100.00818.72
8.3.200.0040.00516.71
8.3.190.0130.00617.35
8.3.180.0120.00616.92
8.3.170.0090.00917.14
8.3.160.0120.00620.56
8.3.150.0070.01117.06
8.3.140.0000.00816.82
8.3.130.0300.01216.48
8.3.120.0340.00416.78
8.3.110.0320.00816.35
8.3.100.0380.00716.40
8.3.90.0380.00916.63
8.3.80.0350.01216.58
8.3.70.0320.00716.51
8.3.60.0200.00716.33
8.3.50.0300.00716.67
8.3.40.0280.00717.51
8.3.30.0280.00717.27
8.3.20.0280.00717.03
8.3.10.0180.01217.48
8.3.00.0120.00917.59
8.2.290.0090.00920.24
8.2.280.0100.00918.25
8.2.270.0140.00316.57
8.2.260.0060.00916.94
8.2.250.0310.01216.18
8.2.240.0330.01016.18
8.2.230.0330.00716.42
8.2.220.0280.00716.41
8.2.210.0240.00716.37
8.2.200.0210.01716.33
8.2.190.0320.00616.27
8.2.180.0270.01116.36
8.2.170.0420.00417.50
8.2.160.0320.00717.56
8.2.150.0340.00617.38
8.2.140.0370.00317.39
8.2.130.0330.00817.42
8.2.120.0380.00017.63
8.2.110.0280.00717.65
8.2.100.0320.00717.29
8.2.90.0270.01217.66
8.2.80.0250.00617.51
8.2.70.0400.00017.56
8.2.60.0360.00817.53
8.2.50.0310.00317.25
8.2.40.0270.00917.35
8.2.30.0200.01717.45
8.2.20.0290.00717.34
8.2.10.0270.01317.28
8.2.00.0240.01217.35
8.1.330.0120.00721.98
8.1.320.0110.00416.08
8.1.310.0090.00616.57
8.1.300.0300.00316.18
8.1.290.0240.01216.18
8.1.280.0300.01116.18
8.1.270.0370.00717.16
8.1.260.0220.00517.49
8.1.250.0340.00617.08
8.1.240.0290.00417.27
8.1.230.0290.00617.15
8.1.220.0310.00317.14
8.1.210.0320.00316.96
8.1.200.0310.00317.22
8.1.190.0300.00317.10
8.1.180.0300.00617.17
8.1.170.0180.01017.18
8.1.160.0220.00617.16
8.1.150.0250.00417.22
8.1.140.0310.00616.90
8.1.130.0210.00717.30
8.1.120.0260.00917.21
8.1.110.0270.00817.30
8.1.100.0280.00617.14
8.1.90.0290.00617.23
8.1.80.0420.00016.83
8.1.70.0390.00716.91
8.1.60.0310.00816.93
8.1.50.0220.01617.18
8.1.40.0210.01817.35
8.1.30.0320.00617.23
8.1.20.0350.00417.44
8.1.10.0300.00617.09
8.1.00.0380.00017.10

preferences:
78.2 ms | 403 KiB | 5 Q