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run code in 300+ PHP versions simultaneously
<?php namespace My\Enormous\Package { class ClassName { } \class_alias(ClassName::class, AliasName::class); } namespace { $object = new My\Enormous\Package\AliasName; var_dump(\get_class($object)); }

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)
8.3.70.0140.00316.63
8.3.60.0170.00018.30
8.3.50.0110.00416.13
8.3.40.0120.00318.44
8.3.30.0110.00418.71
8.3.20.0000.00720.51
8.3.10.0040.00423.48
8.3.00.0040.00423.43
8.2.190.0070.01118.13
8.2.180.0090.00616.63
8.2.170.0070.01022.96
8.2.160.0100.00320.47
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0030.00326.16
8.2.120.0000.00926.16
8.2.110.0030.00722.24
8.2.100.0040.00817.72
8.2.90.0090.00017.78
8.2.80.0000.00919.02
8.2.70.0000.00817.50
8.2.60.0040.00417.67
8.2.50.0040.00418.05
8.2.40.0040.00417.92
8.2.30.0030.00519.41
8.2.20.0000.00718.05
8.2.10.0040.00419.06
8.2.00.0040.00419.05
8.1.280.0040.01125.92
8.1.270.0080.00021.91
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00423.92
8.1.230.0040.00822.79
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0030.00617.62
8.1.160.0040.00418.82
8.1.150.0000.00819.00
8.1.140.0040.00420.79
8.1.130.0030.00320.25
8.1.120.0040.00417.46
8.1.110.0070.00017.43
8.1.100.0000.00717.22
8.1.90.0040.00417.41
8.1.80.0000.00717.30
8.1.70.0000.00817.27
8.1.60.0080.00317.53
8.1.50.0050.00317.50
8.1.40.0060.00317.43
8.1.30.0080.00017.59
8.1.20.0070.00417.57
8.1.10.0080.00017.61
8.1.00.0090.00017.54
8.0.300.0040.00421.90
8.0.290.0000.00716.63
8.0.280.0030.00318.27
8.0.270.0030.00617.85
8.0.260.0030.00319.91
8.0.250.0050.00216.89
8.0.240.0030.00316.90
8.0.230.0030.00516.78
8.0.220.0000.00616.83
8.0.210.0040.00416.69
8.0.200.0050.00216.86
8.0.190.0040.00416.88
8.0.180.0080.00016.79
8.0.170.0060.00316.88
8.0.160.0050.00316.91
8.0.150.0000.00816.80
8.0.140.0000.00716.70
8.0.130.0000.00613.31
8.0.120.0030.00616.81
8.0.110.0080.00016.68
8.0.100.0000.00816.69
8.0.90.0040.00416.76
8.0.80.0050.01316.71
8.0.70.0080.00016.70
8.0.60.0000.00816.84
8.0.50.0070.00016.67
8.0.30.0100.00717.09
8.0.20.0120.00616.63
8.0.10.0000.00817.00
8.0.00.0100.00716.64
7.4.330.0000.00616.83
7.4.320.0000.00616.55
7.4.300.0030.00316.35
7.4.290.0000.00816.43
7.4.280.0040.00416.43
7.4.270.0040.00416.55
7.4.260.0050.00313.30
7.4.250.0050.00316.41
7.4.240.0020.00516.43
7.4.230.0000.00716.31
7.4.220.0040.00416.50
7.4.210.0070.00716.58
7.4.200.0020.00516.42
7.4.140.0160.00317.86
7.4.130.0170.00016.34
7.4.120.0200.00416.50
7.4.110.0070.01016.40
7.4.100.0060.01216.48
7.4.90.0080.00816.30
7.4.80.0030.01619.39
7.4.70.0070.01016.31
7.4.60.0160.00016.30
7.4.50.0020.00716.31
7.4.40.0070.01016.46
7.4.10.0130.00316.04
7.4.00.0120.00316.48
7.3.330.0040.00416.08
7.3.320.0000.00513.23
7.3.310.0070.00016.04
7.3.300.0030.00316.11
7.3.290.0020.01216.19
7.3.260.0060.01616.50
7.3.240.0090.00716.36
7.3.230.0110.00516.34
7.3.210.0060.01016.17
7.3.200.0070.01416.66
7.3.190.0090.00616.45
7.3.180.0100.00616.32
7.3.170.0000.01616.60
7.3.160.0030.01316.36
7.3.130.0000.01516.38
7.3.120.0090.00616.25
7.3.110.0100.00516.13
7.3.100.0040.01116.22
7.3.90.0030.01216.22
7.3.80.0100.00616.15
7.3.70.0060.01116.10
7.3.60.0100.00716.11
7.3.50.0090.01016.18
7.3.40.0130.00316.19
7.3.30.0090.01116.26
7.3.20.0200.00016.17
7.3.10.0100.01316.36
7.3.00.0030.01416.34
7.2.330.0120.00616.52
7.2.320.0100.00716.30
7.2.310.0190.00316.61
7.2.300.0090.01216.46
7.2.290.0130.00316.59
7.2.260.0110.00616.18
7.2.250.0090.00616.29
7.2.240.0160.00016.25
7.2.230.0000.01516.43
7.2.220.0100.00616.12
7.2.210.0060.00916.50
7.2.200.0070.00716.44
7.2.190.0100.00616.49
7.2.180.0100.00716.45
7.2.170.0100.00716.46
7.2.160.0110.01316.52
7.2.150.0170.00716.50
7.2.140.0060.01316.69
7.2.130.0190.00816.39
7.2.120.0110.00716.54
7.2.110.0060.01116.26
7.2.100.0090.00616.41
7.2.90.0110.00416.50
7.2.80.0120.00316.33
7.2.70.0090.00616.26
7.2.60.0060.00916.62
7.2.50.0060.00916.43
7.2.40.0090.00616.53
7.2.30.0110.00416.37
7.2.20.0030.01216.27
7.2.10.0120.00916.32
7.2.00.0060.01016.45

preferences:
29.03 ms | 401 KiB | 5 Q