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run code in 300+ PHP versions simultaneously
<?php var_dump(date("Y-m-d H:i:s",strtotime("4 Sunday ago"))); var_dump(date("Y-m-d H:i:s",strtotime("4 Sundays ago")));

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)
8.3.60.0200.00016.50
8.3.50.0140.00720.09
8.3.40.0160.00318.99
8.3.30.0130.00318.61
8.3.20.0030.00624.18
8.3.10.0000.00824.66
8.3.00.0180.00026.16
8.2.180.0150.00025.92
8.2.170.0040.01119.02
8.2.160.0030.01022.96
8.2.150.0050.00325.66
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00426.16
8.2.110.0070.00322.39
8.2.100.0000.01118.16
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0060.00317.80
8.2.60.0080.00018.16
8.2.50.0000.00918.10
8.2.40.0000.00920.94
8.2.30.0040.00419.24
8.2.20.0040.00418.14
8.2.10.0000.00919.11
8.2.00.0030.00519.24
8.1.280.0120.00925.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.94
8.1.230.0000.01119.14
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0080.00317.36
8.1.190.0000.00817.38
8.1.180.0080.00018.10
8.1.170.0030.00518.67
8.1.160.0040.00420.63
8.1.150.0040.00418.83
8.1.140.0040.00418.93
8.1.130.0000.00720.32
8.1.120.0040.00417.60
8.1.110.0030.00517.54
8.1.100.0040.00317.50
8.1.90.0060.00317.40
8.1.80.0000.00717.58
8.1.70.0000.00717.59
8.1.60.0040.00417.64
8.1.50.0040.00417.63
8.1.40.0030.00717.45
8.1.30.0060.00317.65
8.1.20.0000.01017.46
8.1.10.0090.00317.45
8.1.00.0040.00417.49
8.0.300.0040.00418.84
8.0.290.0090.00016.88
8.0.280.0070.00018.45
8.0.270.0060.00318.13
8.0.260.0050.00218.74
8.0.250.0040.00617.04
8.0.240.0050.00317.04
8.0.230.0000.00717.10
8.0.220.0030.00316.98
8.0.210.0000.00717.01
8.0.200.0070.00016.95
8.0.190.0000.00917.06
8.0.180.0050.00217.11
8.0.170.0080.00016.92
8.0.160.0030.00517.09
8.0.150.0000.00717.08
8.0.140.0030.00516.99
8.0.130.0000.00713.38
8.0.120.0000.00817.02
8.0.110.0000.00716.94
8.0.100.0070.00016.82
8.0.90.0060.00316.81
8.0.80.0030.00617.04
8.0.70.0040.00417.14
8.0.60.0050.00316.93
8.0.50.0030.00517.09
8.0.30.0080.00016.88
8.0.20.0040.00417.05
8.0.10.0030.00717.23
8.0.00.0060.00317.20
7.4.330.0050.00015.55
7.4.320.0000.00616.61
7.4.300.0030.00316.67
7.4.290.0000.00716.64
7.4.280.0040.00416.68
7.4.270.0000.00716.67
7.4.260.0050.00013.27
7.4.250.0000.00816.61
7.4.240.0070.00016.59
7.4.230.0000.00816.47
7.4.220.0040.00416.66
7.4.210.0040.00416.59
7.4.200.0040.00416.73
7.4.190.0030.00516.58
7.4.180.0030.00316.40
7.4.160.0030.00416.64
7.4.150.0000.00716.78
7.4.140.0050.00216.33
7.4.130.0000.00716.25
7.4.120.0000.00816.57
7.4.110.0000.00716.66
7.4.100.0000.00716.63
7.4.90.0080.00016.68
7.4.80.0040.00416.56
7.4.70.0030.00316.49
7.4.60.0000.00816.53
7.4.50.0000.00716.20
7.4.40.0000.00816.36
7.4.30.0020.00516.45
7.4.20.0040.00416.30
7.4.10.0000.00816.50
7.4.00.0080.00016.52
7.3.330.0000.00716.32
7.3.320.0000.00613.19
7.3.310.0030.00516.18
7.3.300.0030.00316.35
7.3.290.0000.00716.28
7.3.280.0000.00716.34
7.3.270.0080.00016.37
7.3.260.0000.00816.23
7.3.250.0030.00516.43
7.3.240.0030.00616.41
7.3.230.0080.00016.36
7.3.220.0030.00516.17
7.3.210.0040.00416.35
7.3.200.0080.00016.30
7.3.190.0040.00416.37
7.3.180.0050.00316.35
7.3.170.0040.00416.42
7.3.160.0030.00316.31
7.3.150.0040.00416.30
7.3.140.0040.00416.25
7.3.130.0040.00416.35
7.3.120.0070.00016.16
7.3.110.0040.00416.07
7.3.100.0000.00716.27
7.3.90.0050.00316.39
7.3.80.0070.00016.22
7.3.70.0030.00316.25
7.3.60.0000.00816.41
7.3.50.0030.00316.30
7.3.40.0030.00316.38
7.3.30.0000.00716.34
7.3.20.0080.00018.11
7.3.10.0040.00418.13
7.3.00.0040.00418.15

preferences:
58.54 ms | 400 KiB | 5 Q