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run code in 300+ PHP versions simultaneously
<?php namespace Test; class X extends \DateTime { } $a = new \DateTime(); $b = new X(); var_export(is_a($a, 'DateTime')); var_export(is_a($b, 'DateTime'));

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)
8.3.60.0040.01118.18
8.3.50.0070.01022.85
8.3.40.0110.01118.80
8.3.30.0140.00319.04
8.3.20.0040.00420.20
8.3.10.0080.00821.95
8.3.00.0060.00319.36
8.2.180.0070.01016.75
8.2.170.0140.00722.96
8.2.160.0110.00420.43
8.2.150.0110.00724.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0050.00321.02
8.2.110.0080.00022.30
8.2.100.0110.00417.91
8.2.90.0000.00919.26
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0040.00417.91
8.2.50.0030.00718.07
8.2.40.0000.00718.09
8.2.30.0100.00018.05
8.2.20.0070.00017.77
8.2.10.0040.00418.12
8.2.00.0080.00017.86
8.1.280.0140.00025.92
8.1.270.0120.00323.80
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00718.58
8.1.230.0040.00719.15
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.61
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0000.00821.86
8.1.150.0030.00518.78
8.1.140.0000.00817.68
8.1.130.0030.00317.99
8.1.120.0040.00317.61
8.1.110.0050.00317.62
8.1.100.0050.00217.49
8.1.90.0040.00417.57
8.1.80.0050.00317.61
8.1.70.0000.00717.51
8.1.60.0000.00917.68
8.1.50.0040.00417.59
8.1.40.0060.00317.58
8.1.30.0030.00517.69
8.1.20.0050.00317.56
8.1.10.0040.00417.50
8.1.00.0030.00517.51
8.0.300.0070.00018.77
8.0.290.0070.00016.88
8.0.280.0000.00718.57
8.0.270.0070.00017.23
8.0.260.0030.00317.23
8.0.250.0030.00317.11
8.0.240.0070.00017.08
8.0.230.0040.00317.16
8.0.220.0030.00516.92
8.0.210.0030.00317.07
8.0.200.0030.00316.98
8.0.190.0000.00817.07
8.0.180.0000.00817.04
8.0.170.0040.00417.06
8.0.160.0000.00717.05
8.0.150.0000.00717.00
8.0.140.0050.00317.01
8.0.130.0030.00313.36
8.0.120.0080.00016.95
8.0.110.0050.00217.05
8.0.100.0060.00317.06
8.0.90.0040.00417.10
8.0.80.0060.01117.03
8.0.70.0040.00417.08
8.0.60.0040.00417.02
8.0.50.0050.00317.14
8.0.30.0140.00717.25
8.0.20.0100.01317.40
8.0.10.0070.00017.11
8.0.00.0050.01316.94
7.4.330.0000.00615.13
7.4.320.0000.00816.60
7.4.300.0030.00516.68
7.4.290.0040.00416.56
7.4.280.0040.00416.70
7.4.270.0030.00316.57
7.4.260.0040.00416.65
7.4.250.0050.00216.61
7.4.240.0020.00516.60
7.4.230.0070.00016.68
7.4.220.0090.00916.77
7.4.210.0030.01416.62
7.4.200.0000.00716.47
7.4.160.0040.02016.40
7.4.150.0150.00317.40
7.4.140.0100.01017.86
7.4.130.0100.00616.56
7.4.120.0080.01216.51
7.4.110.0000.01716.61
7.4.100.0100.00716.55
7.4.90.0070.01016.65
7.4.80.0180.00319.39
7.4.70.0150.00716.62
7.4.60.0120.00816.59
7.4.50.0000.00716.32
7.4.40.0030.01316.52
7.4.30.0100.00716.54
7.4.00.0030.01015.09
7.3.330.0060.00013.08
7.3.320.0000.00513.00
7.3.310.0030.00316.34
7.3.300.0040.00416.31
7.3.290.0060.00916.32
7.3.280.0060.01116.30
7.3.270.0160.00017.40
7.3.260.0040.01516.57
7.3.250.0080.00816.67
7.3.240.0060.01216.50
7.3.230.0060.01416.68
7.3.210.0030.01416.29
7.3.200.0120.00419.39
7.3.190.0090.01216.36
7.3.180.0120.00916.55
7.3.170.0040.01216.52
7.3.160.0090.00716.38
7.2.330.0100.01316.57
7.2.320.0050.01116.48
7.2.310.0070.00816.47
7.2.300.0130.01016.54
7.2.290.0100.01316.54
7.2.60.0000.01316.93
7.2.00.0150.00419.45
7.1.200.0030.00715.70
7.1.100.0050.00517.80
7.1.70.0090.00017.06
7.1.60.0130.01019.40
7.1.50.0100.01316.69
7.1.00.0070.07322.44
7.0.200.0050.00316.91
7.0.140.0070.07022.12
7.0.60.0030.07719.77
7.0.50.0100.07717.99
7.0.40.0130.07720.13
7.0.30.0270.05320.16
7.0.20.0230.04320.22
7.0.10.0130.08320.20
7.0.00.0030.07320.23
5.6.210.0170.07720.68
5.6.200.0030.04318.14
5.6.190.0100.07020.52
5.6.180.0270.05720.51
5.6.170.0500.06720.39
5.6.160.0100.07320.56
5.6.150.0100.03318.29
5.6.140.0030.04318.21
5.6.130.0000.04318.17
5.6.120.0100.08320.98
5.6.110.0070.06321.02
5.6.100.0100.08021.13
5.6.90.0030.07720.97
5.6.80.0000.04320.41
5.5.350.0000.05020.34
5.5.340.0100.05317.94
5.5.330.0030.07720.38
5.5.320.0300.04320.28
5.5.310.0300.06720.34
5.5.300.0070.06718.01
5.5.290.0130.06017.96
5.5.280.0170.07320.80
5.5.270.0100.08320.86
5.5.260.0030.08320.77
5.5.250.0100.08720.64
5.5.240.0170.03020.16
5.4.450.0200.04319.48
5.4.440.0270.04719.55
5.4.430.0330.05019.54
5.4.420.0570.04019.31
5.4.410.0270.04719.26
5.4.400.0130.04318.88
5.4.390.0200.04718.84
5.4.380.0700.05718.73
5.4.370.0670.05318.70
5.4.360.0670.05318.68
5.4.350.0630.06018.68
5.4.340.0830.05018.55
5.4.320.0060.03612.50
5.4.310.0030.04312.50
5.4.300.0090.03812.50
5.4.290.0040.03912.50
5.4.280.0090.04612.39
5.4.270.0030.04012.40
5.4.260.0060.03812.40
5.4.250.0080.03512.40
5.4.240.0070.03512.40
5.4.230.0040.04212.39
5.4.220.0140.02912.39
5.4.210.0060.04212.39
5.4.200.0070.03812.39
5.4.190.0070.04012.39
5.4.180.0090.03912.39
5.4.170.0040.04712.39
5.4.160.0040.03912.40
5.4.150.0080.03412.39
5.4.140.0070.03512.08
5.4.130.0080.03412.06
5.4.120.0040.03812.02
5.4.110.0080.03312.01
5.4.100.0050.04612.02
5.4.90.0070.04712.01
5.4.80.0100.04312.02
5.4.70.0080.04412.01
5.4.60.0120.04212.01
5.4.50.0080.04312.02
5.4.40.0100.03412.00
5.4.30.0030.04012.00
5.4.20.0040.03912.00
5.4.10.0060.03612.00
5.4.00.0090.04411.48
5.3.290.0040.04112.80
5.3.280.0060.03912.71
5.3.270.0100.04212.72
5.3.260.0060.04612.72
5.3.250.0030.04712.71
5.3.240.0050.04312.72
5.3.230.0070.04612.71
5.3.220.0070.04312.68
5.3.210.0080.04212.68
5.3.200.0040.04412.68
5.3.190.0060.03912.67
5.3.180.0070.03712.67
5.3.170.0040.04212.67
5.3.160.0060.03912.68
5.3.150.0080.03912.67
5.3.140.0070.04612.66
5.3.130.0070.03912.66
5.3.120.0100.04112.66
5.3.110.0060.04512.66
5.3.100.0050.04312.13
5.3.90.0080.04812.11
5.3.80.0080.04312.10
5.3.70.0060.04612.10
5.3.60.0100.04212.09
5.3.50.0100.03712.04
5.3.40.0070.04112.04
5.3.30.0120.03512.00
5.3.20.0090.04211.78
5.3.10.0100.04011.74
5.3.00.0060.03911.73
5.2.170.0060.0399.18
5.2.160.0050.0319.18
5.2.150.0050.0349.18
5.2.140.0780.0389.02
5.2.130.0070.0319.14
5.2.120.0050.0339.14
5.2.110.0060.0319.15
5.2.100.0050.0339.14
5.2.90.0080.0319.14
5.2.80.0070.0309.13
5.2.70.0060.0299.14
5.2.60.0070.0289.09
5.2.50.0030.0319.06
5.2.40.0020.0319.04
5.2.30.0040.0319.01
5.2.20.0030.0309.00
5.2.10.0060.0278.93
5.2.00.0030.0318.78
5.1.60.0050.0228.07
5.1.50.0020.0278.06
5.1.40.0060.0248.05
5.1.30.0080.0248.40
5.1.20.0070.0328.42
5.1.10.0040.0268.14
5.1.00.0020.0288.14
5.0.50.0020.0226.63
5.0.40.0010.0226.48
5.0.30.0060.0296.29
5.0.20.0050.0196.27
5.0.10.0040.0206.24
5.0.00.0050.0316.23
4.4.90.0050.0224.78
4.4.80.0060.0214.75
4.4.70.0080.0174.75
4.4.60.0090.0184.76
4.4.50.0030.0214.77
4.4.40.0020.0274.71
4.4.30.0020.0174.76
4.4.20.0040.0144.84
4.4.10.0030.0154.85
4.4.00.0010.0294.76
4.3.110.0030.0194.67
4.3.100.0040.0174.67
4.3.90.0010.0164.63
4.3.80.0050.0234.59
4.3.70.0030.0144.63
4.3.60.0000.0174.62
4.3.50.0020.0174.63
4.3.40.0050.0244.54
4.3.30.0020.0183.29
4.3.20.0030.0163.26
4.3.10.0040.0173.22
4.3.00.0030.01315.90

preferences:
38.17 ms | 401 KiB | 5 Q