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run code in 300+ PHP versions simultaneously
<?php namespace Test; class Test { private $s; private $i; public function __construct(string $s, int $i) { $this->s = $s; $this->i = $i; } public function foo() { return 's: ' . $this->s . ', i: ' . $this->i; } } $a = new Test(new Test('Hello, world!', 2016), '2015'); echo $a->foo();

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)
8.3.60.0070.00716.50
8.3.50.0090.01122.05
8.3.40.0170.00318.54
8.3.30.0100.00718.79
8.3.20.0080.00020.29
8.3.10.0060.00323.52
8.3.00.0030.00619.50
8.2.180.0110.00418.43
8.2.170.0070.00722.96
8.2.160.0070.00720.36
8.2.150.0130.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00226.16
8.2.110.0040.00419.38
8.2.100.0090.00317.78
8.2.90.0000.00819.23
8.2.80.0040.00717.97
8.2.70.0080.00017.59
8.2.60.0050.00317.80
8.2.50.0000.00918.07
8.2.40.0070.00019.20
8.2.30.0040.00420.73
8.2.20.0000.00817.68
8.2.10.0070.00018.01
8.2.00.0000.00717.86
8.1.280.0100.00325.92
8.1.270.0060.00623.96
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0030.00621.36
8.1.230.0040.00717.42
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0040.00417.22
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0040.00418.69
8.1.160.0040.00421.82
8.1.150.0000.00718.73
8.1.140.0000.00819.52
8.1.130.0050.00317.47
8.1.120.0030.00517.29
8.1.110.0080.00017.24
8.1.100.0050.00317.30
8.1.90.0000.00717.39
8.1.80.0080.00017.40
8.1.70.0000.00817.33
8.1.60.0000.00717.61
8.1.50.0030.00617.46
8.1.40.0050.00317.41
8.1.30.0040.00417.60
8.1.20.0040.00417.54
8.1.10.0050.00217.63
8.1.00.0040.00417.41
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.30
8.0.270.0040.00417.25
8.0.260.0060.00317.19
8.0.250.0030.00316.97
8.0.240.0100.00016.98
8.0.230.0000.00716.94
8.0.220.0040.00416.91
8.0.210.0050.00216.88
8.0.200.0000.00616.89
8.0.190.0000.00717.00
8.0.180.0040.00416.95
8.0.170.0030.00616.93
8.0.160.0030.00616.91
8.0.150.0000.00716.73
8.0.140.0000.00716.84
8.0.130.0030.00313.26
8.0.120.0030.00516.90
8.0.110.0000.00716.82
8.0.100.0030.00516.86
8.0.90.0000.00716.80
8.0.80.0100.00616.89
8.0.70.0000.00916.79
8.0.60.0040.00416.85
8.0.50.0000.00716.78
8.0.30.0110.00816.97
8.0.20.0070.01317.42
8.0.10.0000.00817.13
8.0.00.0080.01116.93
7.4.330.0020.00216.85
7.4.320.0000.00616.32
7.4.300.0030.00516.36
7.4.290.0000.00716.57
7.4.280.0050.00316.53
7.4.270.0030.00316.40
7.4.260.0000.00916.52
7.4.250.0080.00016.50
7.4.240.0020.00616.46
7.4.230.0070.00016.29
7.4.220.0180.00016.58
7.4.210.0050.01116.50
7.4.200.0000.00716.36
7.4.160.0120.00316.57
7.4.150.0100.00717.40
7.4.140.0180.00617.86
7.4.130.0080.01316.43
7.4.120.0090.01016.56
7.4.110.0030.01816.34
7.4.100.0090.00916.58
7.4.90.0070.01016.50
7.4.80.0060.01019.39
7.4.70.0130.00316.43
7.4.60.0050.01116.40
7.4.50.0020.00816.52
7.4.40.0090.00916.31
7.4.30.0070.01016.33
7.4.00.0070.00814.88
7.3.330.0030.00313.38
7.3.320.0060.00013.38
7.3.310.0040.00416.41
7.3.300.0000.00816.38
7.3.290.0000.00716.32
7.3.280.0090.01116.34
7.3.270.0120.00617.40
7.3.260.0130.00316.27
7.3.250.0120.00716.41
7.3.240.0080.00816.46
7.3.230.0060.01016.56
7.3.210.0070.01016.48
7.3.200.0090.00616.32
7.3.190.0100.01316.33
7.3.180.0130.00416.30
7.3.170.0140.00716.61
7.3.160.0110.00616.41
7.3.120.0090.00714.72
7.3.110.0030.01314.83
7.3.100.0020.01214.81
7.3.90.0050.00814.86
7.3.80.0020.01114.85
7.3.70.0050.00914.71
7.3.60.0090.00514.88
7.3.50.0060.01014.86
7.3.40.0070.00714.91
7.3.30.0050.01014.77
7.3.20.0050.00816.71
7.3.10.0070.00716.51
7.3.00.0050.00816.37
7.2.330.0140.01016.60
7.2.320.0110.00816.67
7.2.310.0100.00716.48
7.2.300.0120.00616.64
7.2.290.0030.01316.39
7.2.250.0070.00714.96
7.2.240.0130.00615.02
7.2.230.0080.00614.97
7.2.220.0080.00815.04
7.2.210.0070.00715.01
7.2.200.0020.01314.94
7.2.190.0080.00815.06
7.2.180.0050.01315.02
7.2.170.0040.01115.16
7.2.160.0040.01415.15
7.2.150.0070.00716.89
7.2.140.0070.00716.58
7.2.130.0060.01016.78
7.2.120.0090.00916.81
7.2.110.0090.00616.88
7.2.100.0030.01016.57
7.2.90.0060.01216.93
7.2.80.0040.01116.99
7.2.70.0060.01116.88
7.2.60.0040.00716.83
7.2.50.0060.00916.51
7.2.40.0060.01016.49
7.2.30.0060.01316.99
7.2.20.0090.00916.84
7.2.10.0090.00916.71
7.2.00.0050.00918.21
7.1.330.0080.00715.69
7.1.320.0080.00615.63
7.1.310.0050.00815.63
7.1.300.0080.00815.71
7.1.290.0040.01215.42
7.1.280.0120.00315.52
7.1.270.0050.01115.82
7.1.260.0050.00815.52
7.1.250.0070.00715.62
7.1.200.0110.00415.86
7.1.100.0040.01118.05
7.1.70.0030.00517.13
7.1.60.0130.01019.48
7.1.50.0060.01516.89
7.1.00.0030.07722.31
7.0.200.0400.00714.15
7.0.60.0070.05319.93
7.0.50.0070.03717.88
7.0.40.0170.07720.16
7.0.30.0430.06720.13
7.0.20.0230.08320.23
7.0.10.0100.08020.30
7.0.00.0030.05320.23
5.6.280.0000.06321.08
5.6.210.0170.07020.70
5.6.200.0000.08018.27
5.6.190.0030.05020.61
5.6.180.0400.07320.57
5.6.170.0200.05020.50
5.6.160.0070.07720.54
5.6.150.0030.04018.21
5.6.140.0000.04318.27
5.6.130.0130.08018.16
5.6.120.0170.06721.16
5.6.110.0130.07321.04
5.6.100.0000.05021.00
5.6.90.0100.08321.00
5.6.80.0030.04320.53
5.5.350.4230.04020.43
5.5.340.0030.04317.99
5.5.330.0030.07020.30
5.5.320.0070.08020.14
5.5.310.0230.04020.24
5.5.300.0100.08018.00
5.5.290.0030.04018.07
5.5.280.0100.08020.78
5.5.270.0030.07020.98
5.5.260.0030.08020.87
5.5.250.0070.08020.59
5.5.240.0230.03720.28

preferences:
47.55 ms | 401 KiB | 5 Q