3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {public int|string $r = '';} class B extends A {public int|string $r;} (new B)->r;

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)
8.3.60.0140.00718.68
8.3.50.0120.00620.34
8.3.40.0110.00419.92
8.3.30.0070.00718.90
8.3.20.0060.00324.18
8.3.10.0000.00724.66
8.3.00.0000.00826.16
8.2.180.0140.00725.92
8.2.170.0140.00018.98
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00826.16
8.2.110.0060.00320.94
8.2.100.0040.00717.72
8.2.90.0030.00517.63
8.2.80.0060.00318.73
8.2.70.0040.00417.48
8.2.60.0000.00817.63
8.2.50.0050.00318.04
8.2.40.0000.00818.09
8.2.30.0000.00717.98
8.2.20.0000.00719.29
8.2.10.0050.00317.93
8.2.00.0080.00019.24
8.1.280.0070.01125.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00423.84
8.1.230.0040.00821.03
8.1.220.0040.00418.40
8.1.210.0000.01018.77
8.1.200.0040.00417.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0080.00018.86
8.1.150.0030.00518.44
8.1.140.0050.00317.20
8.1.130.0000.00718.86
8.1.120.0070.00017.32
8.1.110.0040.00417.32
8.1.100.0000.00717.21
8.1.90.0080.00617.22
8.1.80.0100.00717.27
8.1.70.0140.00217.21
8.1.60.0110.00717.45
8.1.50.0140.00317.36
8.1.40.0080.00817.50
8.1.30.0180.00017.52
8.1.20.0180.00017.45
8.1.10.0150.00317.39
8.1.00.0150.00317.41
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0070.00018.35
8.0.270.0000.00716.73
8.0.260.0060.00018.38
8.0.250.0070.00016.95
8.0.240.0030.00317.02
8.0.230.0000.00716.85
8.0.220.0040.00416.88
8.0.210.0110.00416.77
8.0.200.0120.00416.86
8.0.190.0120.00416.90
8.0.180.0070.00716.88
8.0.170.0130.00216.80
8.0.160.0050.01016.91
8.0.150.0120.00416.84
8.0.140.0070.00716.74
8.0.130.0060.00916.74
8.0.120.0150.00016.75
8.0.110.0060.00916.93
8.0.100.0110.00416.82
8.0.90.0120.00416.78
8.0.80.0100.00516.89
8.0.70.0150.00016.78
8.0.60.0130.00316.80
8.0.50.0080.00216.80
8.0.30.0080.00416.77
8.0.20.0130.00316.85
8.0.10.0140.00216.91
7.4.330.0030.00315.55
7.4.320.0000.00616.36
7.4.300.0110.00316.34
7.4.290.0110.00516.36
7.4.280.0050.01016.44
7.4.270.0080.00716.30
7.4.260.0120.00316.34
7.4.250.0100.00516.33
7.4.240.0090.00416.47
7.4.230.0120.00416.38
7.4.220.0080.00716.35
7.4.210.0090.00416.47
7.4.200.0090.00516.36
7.4.190.0090.00616.40
7.4.180.0060.00916.46
7.4.160.0130.00016.39
7.4.150.0060.00616.18
7.4.140.0080.00416.30
7.4.130.0100.00316.14
7.4.120.0070.00716.14
7.4.110.0110.00316.30
7.4.100.0120.00216.29
7.4.90.0130.00316.22
7.4.80.0090.00616.16
7.4.70.0140.00316.29
7.4.60.0110.00316.19
7.4.50.0140.00016.07
7.4.40.0070.00716.17
7.4.30.0110.00016.30
7.4.20.0080.00516.16
7.4.10.0050.01016.31
7.4.00.0110.00416.29

preferences:
55.26 ms | 401 KiB | 5 Q