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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)
8.3.70.0070.00716.63
8.3.60.0100.00718.30
8.3.50.0160.00721.94
8.3.40.0080.00818.79
8.3.30.0070.00719.09
8.3.20.0050.00320.34
8.3.10.0080.00021.89
8.3.00.0080.00018.96
8.2.190.0120.00618.41
8.2.180.0110.01118.17
8.2.170.0140.00022.96
8.2.160.0060.00922.26
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0090.00026.16
8.2.120.0120.00619.54
8.2.110.0000.01022.11
8.2.100.0040.00817.72
8.2.90.0050.00317.97
8.2.80.0030.00617.63
8.2.70.0060.00617.50
8.2.60.0050.00517.93
8.2.50.0050.00318.07
8.2.40.0050.00318.22
8.2.30.0040.00417.98
8.2.20.0050.00217.61
8.2.10.0040.00418.07
8.2.00.0000.00817.73
8.1.280.0110.00625.92
8.1.270.0000.00818.88
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0030.01422.47
8.1.230.0080.00422.81
8.1.220.0080.00017.74
8.1.210.0050.00318.97
8.1.200.0050.00517.23
8.1.190.0090.00017.10
8.1.180.0040.00418.10
8.1.170.0000.00918.50
8.1.160.0040.00418.80
8.1.150.0000.00818.88
8.1.140.0000.00717.44
8.1.130.0000.00817.70
8.1.120.0000.00717.44
8.1.110.0050.00217.36
8.1.100.0050.00217.37
8.1.90.0000.00717.36
8.1.80.0040.00417.35
8.1.70.0030.00317.46
8.1.60.0050.00517.51
8.1.50.0040.00417.58
8.1.40.0070.00017.37
8.1.30.0040.00417.67
8.1.20.0000.00817.58
8.1.10.0000.00817.45
8.1.00.0040.00417.46
8.0.300.0000.00719.96
8.0.290.0000.00816.63
8.0.280.0030.00318.44
8.0.270.0000.00717.27
8.0.260.0030.00317.16
8.0.250.0030.00316.91
8.0.240.0000.00616.94
8.0.230.0050.00216.94
8.0.220.0070.00016.87
8.0.210.0000.00716.86
8.0.200.0030.00316.83
8.0.190.0000.00716.92
8.0.180.0000.00816.94
8.0.170.0080.00016.83
8.0.160.0080.00016.88
8.0.150.0000.00816.85
8.0.140.0000.00816.77
8.0.130.0060.00013.25
8.0.120.0000.00816.75
8.0.110.0000.00716.84
8.0.100.0040.00416.78
8.0.90.0000.00716.93
8.0.80.0070.00716.92
8.0.70.0040.00416.92
8.0.60.0050.00316.74
8.0.50.0040.00416.75
8.0.30.0170.00517.07
8.0.20.0160.00917.40
8.0.10.0000.00716.89
8.0.00.0100.01016.85
7.4.330.0020.00215.04
7.4.320.0030.00316.41
7.4.300.0000.00716.51
7.4.290.0000.00816.48
7.4.280.0030.00516.58
7.4.270.0030.00316.58
7.4.260.0030.00316.38
7.4.250.0040.00416.57
7.4.240.0040.00416.59
7.4.230.0070.00016.39
7.4.220.0120.00916.45
7.4.210.0130.00716.54
7.4.200.0040.00416.69
7.4.160.0150.00816.48
7.4.150.0120.00617.40
7.4.140.0110.00617.86
7.4.130.0050.01516.48
7.4.120.0060.01116.54
7.4.110.0080.01116.58
7.4.100.0070.01016.46
7.4.90.0060.01616.52
7.4.80.0070.01419.39
7.4.70.0030.01316.56
7.4.60.0090.00616.51
7.4.50.0000.00516.45
7.4.40.0070.01016.29
7.4.30.0090.00916.54
7.4.00.0110.00415.05
7.3.330.0000.00513.15
7.3.320.0030.00313.23
7.3.310.0000.00816.38
7.3.300.0020.00516.30
7.3.290.0080.00616.35
7.3.280.0090.00916.30
7.3.270.0060.01017.40
7.3.260.0090.00916.30
7.3.250.0090.00916.44
7.3.240.0060.01116.36
7.3.230.0100.00716.54
7.3.210.0090.00916.63
7.3.200.0120.01219.39
7.3.190.0140.00316.51
7.3.180.0120.00616.43
7.3.170.0070.01016.39
7.3.160.0070.00916.36
7.3.10.0190.00616.00
7.3.00.0160.00616.22
7.2.330.0060.01016.64
7.2.320.0140.00416.82
7.2.310.0090.01216.70
7.2.300.0030.01316.65
7.2.290.0100.00916.79
7.2.130.0130.01316.29
7.2.120.0160.00316.16
7.2.110.0060.01216.74
7.2.100.0170.00616.79
7.2.90.0170.00016.46
7.2.80.0090.01216.64
7.2.70.0120.00816.33
7.2.60.0100.00516.83
7.2.50.0080.00816.77
7.2.40.0090.01216.92
7.2.30.0040.01116.59
7.2.20.0040.01416.53
7.2.10.0060.00616.41
7.2.00.0060.00816.59
7.1.250.0170.00315.45
7.1.200.0070.00715.68
7.1.70.0070.00516.97
7.1.60.0110.01419.22
7.1.50.0200.01634.50
7.1.00.0000.08022.28
7.0.200.0070.00016.96
7.0.140.0070.04022.04
7.0.60.0030.06720.00
7.0.50.0100.07717.86
7.0.40.0030.04320.09
7.0.30.0270.05020.12
7.0.20.0300.04020.24
7.0.10.0130.07720.22
7.0.00.0100.08020.18
5.6.280.0030.07320.88
5.6.210.0230.06020.52
5.6.200.0030.08718.18
5.6.190.0070.07720.59
5.6.180.0270.04020.61
5.6.170.0270.04020.71
5.6.160.0000.04720.57
5.6.150.0130.06318.25
5.6.140.0030.04718.19
5.6.130.0070.06318.23
5.6.120.0030.05020.91
5.6.110.0070.07721.04
5.6.100.0070.05721.14
5.6.90.0030.08721.12
5.6.80.0070.05320.40
5.5.350.0200.03720.31
5.5.340.0070.07317.94
5.5.330.0030.07720.57
5.5.320.0330.05320.38
5.5.310.0270.07720.37
5.5.300.0100.07718.08
5.5.290.0030.08317.94
5.5.280.0070.07020.77
5.5.270.0070.04020.73
5.5.260.0130.07720.66
5.5.250.0070.07720.59
5.5.240.0000.08020.24
5.4.450.0170.06319.61
5.4.440.0400.04319.41
5.4.430.0630.06319.47
5.4.420.0700.06319.46
5.4.410.0570.07319.48
5.4.400.0700.05319.23
5.4.390.0730.06019.14
5.4.380.0130.05718.75
5.4.370.0200.05018.52
5.4.360.0170.05018.57
5.4.350.0170.05718.88
5.4.340.0230.05018.74
5.4.320.0270.04718.61
5.4.310.0230.05018.59
5.4.300.0230.06318.77
5.4.290.0230.04718.59
5.4.280.0130.06018.77
5.4.270.0170.05318.68
5.4.260.0270.05018.70
5.4.250.0130.06318.68
5.4.240.0200.05318.75
5.4.230.0230.04718.58
5.4.220.0230.05018.67
5.4.210.0330.03718.73
5.4.200.0200.05016.61
5.4.190.0200.05718.59
5.4.180.0270.05018.75
5.4.170.0130.06018.67
5.4.160.0270.04318.46
5.4.150.0230.05018.60
5.4.140.0170.05316.38
5.4.130.0230.05016.37
5.4.120.0170.05316.29
5.4.110.0270.03716.17
5.4.100.0070.06316.42
5.4.90.0270.05316.22
5.4.80.0170.05016.25
5.4.70.0130.05716.46
5.4.60.0170.05316.25
5.4.50.0130.05316.27
5.4.40.0100.06016.33
5.4.30.0130.05316.23
5.4.20.0100.05716.30
5.4.10.0200.04716.23
5.4.00.0200.04315.78
5.3.290.0270.04714.70
5.3.280.0170.05314.83
5.3.270.0170.06014.67
5.3.260.0170.06014.78
5.3.250.0100.05714.61
5.3.240.0130.05714.82
5.3.230.0170.05314.73
5.3.220.0230.04314.70
5.3.210.0200.05314.63
5.3.200.0200.05014.79
5.3.190.0030.06714.72
5.3.180.0200.05014.70
5.3.170.0270.04714.75
5.3.160.0300.05014.77
5.3.150.0170.06714.76
5.3.140.0230.05314.66
5.3.130.0230.06714.57
5.3.120.0230.07014.73
5.3.110.0230.05714.53
5.3.100.0230.07314.21
5.3.90.0300.06714.16
5.3.80.0170.05314.15
5.3.70.0200.05014.07
5.3.60.0100.06014.04
5.3.50.0370.05714.18
5.3.40.0130.05714.02
5.3.30.0300.04014.03
5.3.20.0230.04713.68
5.3.10.0270.04013.86
5.3.00.0230.05713.70
5.2.170.0130.04311.16
5.2.160.0170.04011.22
5.2.150.0170.04311.12
5.2.140.0100.05011.17
5.2.130.0170.04011.22
5.2.120.0130.04311.10
5.2.110.0200.03711.20
5.2.100.0270.03011.15
5.2.90.0200.04311.23
5.2.80.0200.03711.09
5.2.70.0170.04311.16
5.2.60.0230.03311.15
5.2.50.0100.04711.02
5.2.40.0170.05011.11
5.2.30.0130.04311.02
5.2.20.0100.04711.00
5.2.10.0200.03711.07
5.2.00.0200.05310.75
5.1.60.0200.02710.10
5.1.50.0030.04010.02
5.1.40.0230.02310.11
5.1.30.0100.04010.42
5.1.20.0130.04010.40
5.1.10.0200.03010.20
5.1.00.0130.03310.28
5.0.50.0100.0239.48
5.0.40.0100.0279.48
5.0.30.0070.0439.48
5.0.20.0030.0339.48
5.0.10.0130.0239.48
5.0.00.0030.0479.48
4.4.90.0000.0279.48
4.4.80.0070.0209.48
4.4.70.0070.0239.48
4.4.60.0100.0179.48
4.4.50.0130.0239.48
4.4.40.0030.0409.48
4.4.30.0030.0279.48
4.4.20.0100.0179.48
4.4.10.0030.0379.48
4.4.00.0100.0309.48
4.3.110.0100.0279.48
4.3.100.0100.0179.48
4.3.90.0100.0179.48
4.3.80.0070.0339.48
4.3.70.0130.0179.48
4.3.60.0030.0239.48
4.3.50.0130.0239.48
4.3.40.0070.0379.48
4.3.30.0100.0239.48
4.3.20.0070.0209.48
4.3.10.0070.0209.48
4.3.00.0000.0237.60

preferences:
21.69 ms | 401 KiB | 5 Q