3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class BaseD9 { public $base_field; } abstract class BaseD10 { public string $base_field; } class AggregatorSub extends BaseD9 { public string $base_field = 'sdsdfsd'; }

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)
8.1.110.0160.00017.21
8.1.100.0130.00417.31
8.1.90.0120.00417.29
8.1.80.0110.00417.30
8.1.70.0090.00717.20
8.1.60.0090.00917.41
8.1.50.0170.00017.28
8.1.40.0140.00417.26
8.1.30.0090.00917.50
8.1.20.0150.00217.38
8.1.10.0100.00717.34
8.1.00.0130.00517.22
8.0.240.0050.01016.67
8.0.230.0110.00416.75
8.0.220.0070.00716.74
8.0.210.0150.00016.65
8.0.200.0110.00416.83
8.0.190.0150.00016.81
8.0.180.0110.00516.66
8.0.170.0080.00816.80
8.0.160.0120.00216.82
8.0.150.0100.00516.70
8.0.140.0050.00916.73
8.0.130.0150.00016.72
8.0.120.0150.00016.64
8.0.110.0070.00716.82
8.0.100.0080.00816.82
8.0.90.0150.00016.78
8.0.80.0090.00616.66
8.0.70.0110.00416.78
8.0.60.0070.00816.70
8.0.50.0110.00416.64
8.0.30.0150.00016.81
8.0.20.0150.00016.76
8.0.10.0100.00516.81
7.4.320.0150.00316.31
7.4.300.0120.00516.37
7.4.290.0080.00416.25
7.4.280.0100.00316.37
7.4.270.0140.00516.26
7.4.260.0040.01216.31
7.4.250.0130.00316.31
7.4.240.0050.00516.29
7.4.230.0000.00816.29
7.4.220.0040.00416.24
7.4.210.0090.00016.39
7.4.200.0090.00016.36
7.4.190.0040.00416.36
7.4.180.0060.00316.39
7.4.160.0060.00316.41
7.4.150.0000.00816.18
7.4.140.0050.00316.30
7.4.130.0030.00516.23
7.4.120.0030.00616.21
7.4.110.0040.00416.12
7.4.100.0060.00316.31
7.4.90.0080.00016.20
7.4.80.0040.00416.08
7.4.70.0030.00516.20
7.4.60.0030.00316.14
7.4.50.0060.00016.05
7.4.40.0030.00316.05
7.4.30.0030.00516.12
7.4.20.0000.00816.33
7.4.10.0050.00216.13
7.4.00.0000.00616.29

preferences:
147.36 ms | 995 KiB | 7 Q