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run code in 300+ PHP versions simultaneously
<?php class My_Class { const CLASS_CONSTANT = 'test value'; private function my_function() { $self = $this; $lambda_function = function() use ($self){ echo $self::CLASS_CONSTANT; }; $lambda_function(); } public function start() { $this->my_function(); } } $obj = new My_Class; $obj->start();

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)
8.3.60.0130.01016.63
8.3.50.0140.00722.91
8.3.40.0110.00418.54
8.3.30.0040.01118.80
8.3.20.0070.00020.30
8.3.10.0050.00323.53
8.3.00.0080.00019.38
8.2.180.0070.00716.50
8.2.170.0070.00722.96
8.2.160.0100.00320.57
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0110.00426.16
8.2.120.0040.00421.10
8.2.110.0030.00622.29
8.2.100.0110.00019.45
8.2.90.0040.00419.30
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0000.00917.93
8.2.50.0050.00318.07
8.2.40.0040.00419.75
8.2.30.0040.00418.05
8.2.20.0070.00017.57
8.2.10.0080.00018.12
8.2.00.0080.00017.66
8.1.280.0040.01225.92
8.1.270.0080.00023.82
8.1.260.0040.00426.35
8.1.250.0000.00928.09
8.1.240.0030.00624.01
8.1.230.0040.00719.04
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00817.35
8.1.180.0030.00518.10
8.1.170.0000.00818.59
8.1.160.0000.00721.95
8.1.150.0080.00018.89
8.1.140.0070.00017.37
8.1.130.0070.00017.82
8.1.120.0040.00417.45
8.1.110.0000.00717.36
8.1.100.0040.00417.40
8.1.90.0000.00717.34
8.1.80.0000.00717.50
8.1.70.0000.00817.45
8.1.60.0030.00617.63
8.1.50.0030.00517.55
8.1.40.0000.00917.50
8.1.30.0060.00317.63
8.1.20.0080.00017.64
8.1.10.0040.00417.50
8.1.00.0000.00717.57
8.0.300.0020.00518.77
8.0.290.0000.00816.88
8.0.280.0000.00718.50
8.0.270.0000.00717.22
8.0.260.0000.00617.12
8.0.250.0030.00316.86
8.0.240.0000.00616.94
8.0.230.0070.00016.96
8.0.220.0030.00316.88
8.0.210.0030.00316.75
8.0.200.0000.00616.88
8.0.190.0040.00416.91
8.0.180.0040.00416.82
8.0.170.0080.00016.92
8.0.160.0000.00716.71
8.0.150.0030.00516.68
8.0.140.0040.00416.77
8.0.130.0030.00313.32
8.0.120.0040.00416.75
8.0.110.0050.00216.82
8.0.100.0000.00716.93
8.0.90.0040.00417.00
8.0.80.0100.00716.93
8.0.70.0050.00316.84
8.0.60.0070.00016.88
8.0.50.0040.00416.78
8.0.30.0100.00817.33
8.0.20.0070.01317.40
8.0.10.0080.00016.99
8.0.00.0100.00816.80
7.4.330.0050.00015.00
7.4.320.0030.00316.51
7.4.300.0000.00716.54
7.4.290.0000.00716.50
7.4.280.0000.00716.50
7.4.270.0000.00716.48
7.4.260.0020.00516.55
7.4.250.0080.00016.56
7.4.240.0020.00516.55
7.4.230.0000.00716.44
7.4.220.0100.00716.45
7.4.210.0110.00416.55
7.4.200.0040.00416.68
7.4.160.0070.01416.52
7.4.150.0130.00317.40
7.4.140.0090.01017.86
7.4.130.0080.00916.60
7.4.120.0120.00516.66
7.4.110.0190.00316.57
7.4.100.0120.00616.49
7.4.90.0120.00916.46
7.4.80.0070.01019.39
7.4.70.0090.00916.34
7.4.60.0130.00316.44
7.4.50.0040.00416.29
7.4.40.0060.01216.35
7.4.30.0120.00316.57
7.4.00.0080.00815.06
7.3.330.0000.00613.35
7.3.320.0050.00013.33
7.3.310.0030.00316.41
7.3.300.0030.00316.22
7.3.290.0110.00316.34
7.3.280.0050.01016.35
7.3.270.0070.01017.40
7.3.260.0140.00616.40
7.3.250.0120.00416.43
7.3.240.0200.00916.36
7.3.230.0070.01616.39
7.3.210.0100.00716.48
7.3.200.0060.01119.39
7.3.190.0060.01016.36
7.3.180.0070.00716.37
7.3.170.0070.01016.55
7.3.160.0030.01416.31
7.3.120.0180.00014.71
7.3.110.0040.01514.71
7.3.100.0100.01014.89
7.3.90.0090.00315.00
7.3.80.0120.00315.17
7.3.70.0060.00314.94
7.3.60.0070.00714.88
7.3.50.0030.01014.87
7.3.40.0040.00814.86
7.3.30.0030.01215.02
7.3.20.0090.00616.66
7.3.10.0090.00316.77
7.3.00.0080.00416.63
7.2.330.0000.01816.84
7.2.320.0090.01316.73
7.2.310.0160.00016.74
7.2.300.0210.00316.80
7.2.290.0130.01016.55
7.2.250.0070.01115.25
7.2.240.0100.01015.03
7.2.230.0070.01015.07
7.2.220.0030.01215.04
7.2.210.0030.01414.68
7.2.200.0040.00714.80
7.2.190.0060.00915.07
7.2.180.0070.00415.22
7.2.170.0030.01014.89
7.2.00.0090.00619.47
7.1.330.0000.01415.70
7.1.320.0040.00716.02
7.1.310.0030.01015.82
7.1.300.0070.00415.91
7.1.290.0030.01015.60
7.1.280.0120.00615.80
7.1.270.0030.00615.84
7.1.260.0100.00315.89
7.1.100.0080.00618.19
7.1.70.0060.00317.29
7.1.60.0190.00619.40
7.1.50.0130.01316.66
7.1.00.0070.07722.43
7.0.200.0000.01016.79
7.0.140.0100.06722.07
7.0.60.0100.06719.82
7.0.50.0100.04717.88
7.0.40.0070.04019.98
7.0.30.0300.07020.08
7.0.20.0270.08320.07
7.0.10.0030.04320.27
7.0.00.0030.07720.29
5.6.280.0070.06720.91
5.6.210.0100.03320.61
5.6.200.0000.04718.15
5.6.190.0170.03020.77
5.6.180.0170.05720.48
5.6.170.0200.05020.51
5.6.160.0000.08020.46
5.6.150.0030.04018.18
5.6.140.0070.05718.21
5.6.130.0070.04318.16
5.6.120.0130.08021.00
5.6.110.0030.04321.00
5.6.100.0030.07721.12
5.6.90.0230.06321.12
5.6.80.0030.06720.43
5.5.350.0300.07720.33
5.5.340.0000.04717.95
5.5.330.0170.07020.57
5.5.320.0130.05320.24
5.5.310.0170.04020.31
5.5.300.0100.06317.95
5.5.290.0070.08718.08
5.5.280.0070.08020.80
5.5.270.0070.08020.88
5.5.260.0100.07320.76
5.5.250.0170.05720.48
5.5.240.0030.07320.18
5.4.450.0830.05319.48
5.4.440.0270.05019.70
5.4.430.0230.05319.16
5.4.420.0200.05319.47
5.4.410.0030.06018.96
5.4.400.0400.06318.67
5.4.390.0230.05318.60
5.4.380.0270.04018.75
5.4.370.0100.05018.76
5.4.360.0030.04718.57
5.4.350.0110.03812.03
5.4.340.0060.03612.03
5.4.320.0070.03712.51
5.4.310.0040.04012.51
5.4.300.0060.03612.52
5.4.290.0080.04112.50
5.4.280.0030.04912.40
5.4.270.0090.03312.40
5.4.260.0070.03612.40
5.4.250.0050.04512.40
5.4.240.0070.03512.41
5.4.230.0060.03712.40
5.4.220.0050.03912.39
5.4.210.0070.03412.40
5.4.200.0060.04112.40
5.4.190.0050.04212.39
5.4.180.0090.03312.39
5.4.170.0050.03612.40
5.4.160.0060.03612.40
5.4.150.0030.03912.39
5.4.140.0050.04212.07
5.4.130.0090.04512.07
5.4.120.0090.03612.02
5.4.110.0030.03812.02
5.4.100.0020.04012.02
5.4.90.0080.03712.02
5.4.80.0080.03612.02
5.4.70.0060.03612.02
5.4.60.0100.03112.02
5.4.50.0070.03412.02
5.4.40.0030.04112.00
5.4.30.0080.03612.00
5.4.20.0050.03612.00
5.4.10.0060.03512.00
5.4.00.0090.03311.49
5.3.290.0040.04012.80
5.3.280.0060.03912.71
5.3.270.0090.03712.72
5.3.260.0070.03812.72
5.3.250.0050.04112.72
5.3.240.0090.03512.72
5.3.230.0040.04112.71
5.3.220.0060.03912.68
5.3.210.0060.04012.68
5.3.200.0060.04512.68
5.3.190.0040.04212.68
5.3.180.0050.03812.67
5.3.170.0070.03712.67
5.3.160.0060.03812.68
5.3.150.0100.03612.67
5.3.140.0070.03512.66
5.3.130.0030.04112.65
5.3.120.0050.04612.66
5.3.110.0100.04112.66
5.3.100.0060.03912.12
5.3.90.0080.03512.11
5.3.80.0070.03612.10
5.3.70.0070.03612.10
5.3.60.0060.03712.08
5.3.50.0100.03212.04
5.3.40.0060.03612.03
5.3.30.0060.03411.99
5.3.20.0040.03911.78
5.3.10.0060.03511.73
5.3.00.0090.03411.72
5.2.170.0040.0319.22
5.2.160.0050.0369.22
5.2.150.0040.0399.22
5.2.140.0040.0329.22
5.2.130.0040.0499.18
5.2.120.0060.0289.18
5.2.110.0060.0349.18
5.2.100.0060.0299.18
5.2.90.0040.0309.18
5.2.80.0040.0319.18
5.2.70.0100.0279.18
5.2.60.0060.0299.13
5.2.50.0060.0339.09
5.2.40.0090.0329.07
5.2.30.0070.0369.05
5.2.20.0050.0299.04
5.2.10.0060.0268.95
5.2.00.0060.0288.80
5.1.60.0060.0228.09
5.1.50.0040.0248.09
5.1.40.0030.0258.07
5.1.30.0060.0258.42
5.1.20.0040.0308.44
5.1.10.0080.0248.17
5.1.00.0040.0258.16
5.0.50.0030.0266.64
5.0.40.0030.0206.50
5.0.30.0040.0306.32
5.0.20.0040.0206.29
5.0.10.0040.0196.25
5.0.00.0040.0316.25
4.4.90.0040.0144.78
4.4.80.0050.0134.75
4.4.70.0030.0154.76
4.4.60.0030.0154.76
4.4.50.0030.0214.77
4.4.40.0040.0274.71
4.4.30.0020.0164.75
4.4.20.0040.0144.85
4.4.10.0020.0164.85
4.4.00.0040.0304.76
4.3.110.0030.0154.67
4.3.100.0020.0164.66
4.3.90.0030.0144.63
4.3.80.0020.0254.59
4.3.70.0020.0154.63
4.3.60.0030.0184.63
4.3.50.0040.0154.63
4.3.40.0040.0254.54
4.3.30.0010.0183.30
4.3.20.0020.0253.28
4.3.10.0010.0233.24
4.3.00.0100.0238.53

preferences:
31.87 ms | 401 KiB | 5 Q