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run code in 300+ PHP versions simultaneously
<?php class ExtendClass extends SimpleClass { // Redefine the parent method function displayVar() { echo "Extending class\n"; parent::displayVar(); } } $extended = new ExtendClass(); $extended->displayVar(); ?>

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)
8.3.60.0140.00416.74
8.3.50.0080.01021.99
8.3.40.0140.00718.97
8.3.30.0000.01418.84
8.3.20.0000.00720.30
8.3.10.0080.00023.48
8.3.00.0030.00619.25
8.2.180.0130.00918.39
8.2.170.0090.00622.96
8.2.160.0100.01020.58
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0030.00622.09
8.2.100.0110.00017.80
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0040.00417.47
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0070.00019.31
8.2.30.0070.00020.53
8.2.20.0050.00217.68
8.2.10.0040.00417.98
8.2.00.0070.00017.93
8.1.280.0070.01125.92
8.1.270.0080.00024.02
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00022.48
8.1.230.0130.00017.79
8.1.220.0000.00817.78
8.1.210.0040.00418.77
8.1.200.0080.00017.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.51
8.1.160.0040.00422.01
8.1.150.0020.00518.70
8.1.140.0030.00519.51
8.1.130.0040.00417.54
8.1.120.0080.00017.45
8.1.110.0040.00417.29
8.1.100.0060.00317.40
8.1.90.0070.00017.44
8.1.80.0050.00317.27
8.1.70.0070.00017.37
8.1.60.0070.00317.55
8.1.50.0000.00817.48
8.1.40.0000.00817.50
8.1.30.0080.00017.56
8.1.20.0000.00817.56
8.1.10.0000.00717.47
8.1.00.0000.00817.33
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0000.00718.36
8.0.270.0060.00317.16
8.0.260.0000.00617.17
8.0.250.0070.00016.98
8.0.240.0080.00017.02
8.0.230.0070.00016.95
8.0.220.0030.00316.91
8.0.210.0020.00516.92
8.0.200.0030.00316.94
8.0.190.0070.00016.90
8.0.180.0040.00417.03
8.0.170.0050.00216.93
8.0.160.0030.00317.00
8.0.150.0030.00316.80
8.0.140.0030.00316.91
8.0.130.0060.00013.38
8.0.120.0000.00816.91
8.0.110.0050.00216.81
8.0.100.0040.00416.77
8.0.90.0050.00316.94
8.0.80.0070.00716.98
8.0.70.0080.00016.94
8.0.60.0000.00716.77
8.0.50.0070.00016.80
8.0.30.0120.00417.05
8.0.20.0110.00917.40
8.0.10.0040.00416.90
8.0.00.0140.00316.73
7.4.330.0030.00315.08
7.4.320.0030.00316.54
7.4.300.0000.00716.54
7.4.290.0000.00716.50
7.4.280.0000.00816.58
7.4.270.0030.00516.41
7.4.260.0040.00416.54
7.4.250.0040.00416.47
7.4.240.0020.00616.51
7.4.230.0000.00716.57
7.4.220.0060.01216.46
7.4.210.0070.00716.43
7.4.200.0040.00416.43
7.4.160.0060.01016.64
7.4.150.0060.01217.40
7.4.140.0150.01117.86
7.4.130.0120.00616.52
7.4.120.0110.00616.49
7.4.110.0030.01416.58
7.4.100.0070.01716.43
7.4.90.0030.01316.55
7.4.80.0060.01019.39
7.4.70.0130.00316.37
7.4.60.0060.00916.55
7.4.50.0050.00316.35
7.4.40.0160.00416.61
7.4.30.0100.00616.48
7.4.00.0090.00614.99
7.3.330.0030.00313.38
7.3.320.0050.00013.13
7.3.310.0000.00716.29
7.3.300.0040.00416.37
7.3.290.0070.00916.24
7.3.280.0090.01016.27
7.3.270.0150.00317.40
7.3.260.0170.00316.52
7.3.240.0100.00916.39
7.3.230.0030.01416.55
7.3.210.0130.00316.37
7.3.200.0050.01116.27
7.3.190.0090.00616.35
7.3.180.0110.01116.38
7.3.170.0070.01116.30
7.3.160.0130.00316.23
7.3.10.0000.00816.36
7.3.00.0000.01116.02
7.2.330.0030.01416.58
7.2.320.0100.00616.29
7.2.310.0060.01116.61
7.2.300.0030.01616.65
7.2.290.0090.00916.53
7.2.130.0000.01416.44
7.2.120.0030.00716.66
7.2.110.0040.00816.73
7.2.100.0000.00916.63
7.2.90.0080.00416.70
7.2.80.0030.00916.29
7.2.70.0060.00716.56
7.2.60.0050.00916.67
7.2.50.0100.00316.76
7.2.40.0030.01216.73
7.2.30.0120.00316.66
7.2.20.0060.00916.65
7.2.10.0060.00616.56
7.2.00.0060.00918.07
7.1.250.0040.00415.66
7.1.200.0000.01415.39
7.1.100.0100.01017.79
7.1.70.0060.00616.67
7.1.60.0120.01219.43
7.1.50.0130.01316.88
7.1.00.0070.07322.33
7.0.200.0300.00314.94
7.0.100.0200.07019.99
7.0.90.0030.08719.89
7.0.80.0000.06019.88
7.0.70.0300.05019.97
7.0.60.0000.07719.77
7.0.50.0130.07320.33
7.0.40.0070.08320.05
7.0.30.0000.09320.04
7.0.20.0070.08020.14
7.0.10.0030.08320.13
7.0.00.0030.05720.05
5.6.280.0000.06720.91
5.6.250.0030.07020.54
5.6.240.0070.08720.70
5.6.230.0000.04720.59
5.6.220.0070.07720.62
5.6.210.0030.06720.56
5.6.200.0200.07021.18
5.6.190.0170.05321.00
5.6.180.0100.07021.09
5.6.170.0170.07321.14
5.6.160.0070.07721.09
5.6.150.0070.08021.08
5.6.140.0130.07321.02
5.6.130.0030.05021.01
5.6.120.0070.06021.01
5.6.110.0270.04321.07
5.6.100.0100.04720.94
5.6.90.0200.04321.08
5.6.80.0070.06320.39
5.6.70.0070.07020.51
5.6.60.0070.06020.28
5.6.50.0070.08020.40
5.6.40.0100.07320.41
5.6.30.0170.06720.36
5.6.20.0000.06720.31
5.6.10.0130.04720.39
5.6.00.0200.02720.43
5.5.380.0130.05320.55
5.5.370.0030.05020.42
5.5.360.0030.08320.41
5.5.350.0070.05720.43
5.5.340.0070.08720.89
5.5.330.0130.07720.80
5.5.320.0100.06720.80
5.5.310.0030.05020.64
5.5.300.0070.04720.79
5.5.290.0130.07720.93
5.5.280.0000.07320.93
5.5.270.0030.04720.63
5.5.260.0100.07020.82
5.5.250.0000.08020.60
5.5.240.0070.06720.16
5.5.230.0130.07020.02
5.5.220.0000.04020.20
5.5.210.0100.07720.25
5.5.200.0070.06320.13
5.5.190.0070.04320.25
5.5.180.0070.04020.23
5.5.160.0130.08720.23
5.5.150.0070.07020.25
5.5.140.0170.06320.28
5.5.130.0130.06320.25
5.5.120.0030.04720.08
5.5.110.0200.05720.12
5.5.100.0200.05019.96
5.5.90.0100.06720.14
5.5.80.0100.07019.91
5.5.70.0070.08020.07
5.5.60.0070.08020.15
5.5.50.0100.07020.04
5.5.40.0000.04320.03
5.5.30.0100.04320.14
5.5.20.0100.07720.13
5.5.10.0100.07719.97
5.5.00.0170.07020.10
5.4.450.0100.05319.45
5.4.440.0070.08019.37
5.4.430.0030.05019.46
5.4.420.0130.06719.41
5.4.410.0030.06319.29
5.4.400.0070.07319.12
5.4.390.0070.07719.20
5.4.380.0100.06319.23
5.4.370.0100.07019.03
5.4.360.0030.08019.08
5.4.350.0100.07019.03
5.4.340.0070.08019.13
5.4.320.0100.04019.03
5.4.310.0030.08019.03
5.4.300.0100.03719.09
5.4.290.0070.03719.12
5.4.280.0030.08019.09
5.4.270.0130.07019.12
5.4.260.0100.04019.09
5.4.250.0070.04319.09
5.4.240.0000.06018.89
5.4.230.0100.06319.09
5.4.220.0100.04018.94
5.4.210.0130.06719.17
5.4.200.0070.08018.87
5.4.190.0030.04719.13
5.4.180.0070.07319.09
5.4.170.0000.06018.94
5.4.160.0100.07319.01
5.4.150.0030.06319.14
5.4.140.0000.07016.36
5.4.130.0030.05016.36
5.4.120.0130.06716.34
5.4.110.0030.04016.51
5.4.100.0030.07716.27
5.4.90.0100.07316.34
5.4.80.0130.05316.42
5.4.70.0170.06316.37
5.4.60.0070.07016.40
5.4.50.0070.06716.45
5.4.40.0030.03716.37
5.4.30.0070.05016.33
5.4.20.0000.04016.43
5.4.10.0070.04316.31
5.4.00.0000.04015.80

preferences:
55.01 ms | 401 KiB | 5 Q