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run code in 300+ PHP versions simultaneously
<?php namespace Concrete\Foo { class Foo {} class_alias('\Concrete\Foo\Foo', 'DerpFoo'); } namespace Concrete\BetterFoo { class BetterFoo extends DerpFoo {} } namespace Concrete\Test { class Test { use DerpFoo; public function __construct(DerpFoo $foo) {} } $f = new Test(new \Concrete\BetterFoo\BetterFoo); }

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)
8.3.60.0070.01416.88
8.3.50.0270.00722.10
8.3.40.0110.00418.84
8.3.30.0110.00319.27
8.3.20.0000.00720.04
8.3.10.0040.00423.50
8.3.00.0070.00022.40
8.2.180.0040.01217.00
8.2.170.0180.00422.96
8.2.160.0100.00720.53
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0150.00626.16
8.2.120.0040.00422.25
8.2.110.0050.00522.21
8.2.100.0070.00717.91
8.2.90.0000.00919.22
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0030.00518.05
8.2.50.0050.00318.07
8.2.40.0030.00618.22
8.2.30.0080.00017.98
8.2.20.0000.00717.62
8.2.10.0050.00317.67
8.2.00.0000.00817.61
8.1.280.0070.00725.92
8.1.270.0000.00822.09
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.79
8.1.230.0110.00019.16
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0090.00017.35
8.1.190.0040.00417.53
8.1.180.0030.00618.10
8.1.170.0030.00618.65
8.1.160.0050.00322.09
8.1.150.0000.00818.61
8.1.140.0000.00717.31
8.1.130.0080.00017.79
8.1.120.0000.00717.43
8.1.110.0040.00417.34
8.1.100.0040.00417.30
8.1.90.0040.00417.43
8.1.80.0000.00717.37
8.1.70.0070.00017.36
8.1.60.0050.00317.54
8.1.50.0080.00017.44
8.1.40.0020.00517.47
8.1.30.0000.00817.45
8.1.20.0040.00417.55
8.1.10.0000.00717.53
8.1.00.0080.00017.38
8.0.300.0080.00018.77
8.0.290.0040.00417.18
8.0.280.0030.00318.36
8.0.270.0050.00217.18
8.0.260.0030.00316.77
8.0.250.0030.00316.93
8.0.240.0040.00417.01
8.0.230.0000.00716.96
8.0.220.0000.00716.96
8.0.210.0030.00316.85
8.0.200.0000.00717.07
8.0.190.0040.00416.91
8.0.180.0040.00417.00
8.0.170.0070.00016.95
8.0.160.0020.00517.01
8.0.150.0040.00416.88
8.0.140.0070.00016.82
8.0.130.0000.00613.46
8.0.120.0040.00416.91
8.0.110.0000.00816.93
8.0.100.0070.00016.97
8.0.90.0080.00016.83
8.0.80.0130.00316.97
8.0.70.0040.00416.86
8.0.60.0000.00716.92
8.0.50.0000.00816.97
8.0.30.0140.00517.03
8.0.20.0080.01017.40
8.0.10.0070.00017.14
8.0.00.0110.00816.73
7.4.330.0000.00615.00
7.4.320.0060.00016.56
7.4.300.0040.00416.46
7.4.290.0070.00016.44
7.4.280.0030.00516.39
7.4.270.0030.00316.44
7.4.260.0040.00416.49
7.4.250.0040.00416.43
7.4.240.0030.00416.47
7.4.230.0000.00716.35
7.4.220.0090.01216.46
7.4.210.0110.00716.51
7.4.200.0030.00316.59
7.4.190.0000.00816.55
7.4.160.0060.00916.56
7.4.150.0040.01517.40
7.4.140.0160.00517.86
7.4.130.0090.00916.58
7.4.120.0150.00516.46
7.4.110.0060.01116.59
7.4.100.0040.01616.28
7.4.90.0130.00316.63
7.4.80.0130.00319.39
7.4.70.0050.01016.36
7.4.60.0130.00316.48
7.4.50.0030.00316.50
7.4.40.0000.01022.77
7.4.30.0080.00816.34
7.4.00.0090.00814.96
7.3.330.0070.00013.14
7.3.320.0050.00013.05
7.3.310.0030.00316.30
7.3.300.0030.00416.27
7.3.290.0140.00016.29
7.3.280.0070.00516.29
7.3.270.0120.00417.40
7.3.260.0150.00516.56
7.3.250.0110.00816.56
7.3.240.0100.00716.32
7.3.230.0060.01016.46
7.3.210.0030.01416.45
7.3.200.0170.00419.39
7.3.190.0110.00716.35
7.3.180.0120.00316.52
7.3.170.0090.00616.47
7.3.160.0110.01116.41
7.3.120.0070.00914.82
7.3.110.0070.01014.69
7.3.100.0030.01214.80
7.3.90.0060.00614.69
7.3.80.0040.00714.86
7.3.70.0060.00614.73
7.3.60.0030.00914.79
7.3.50.0090.00714.77
7.3.40.0050.00814.67
7.3.30.0060.00514.79
7.3.20.0050.00916.54
7.3.10.0100.00416.64
7.3.00.0100.00616.62
7.2.330.0100.00716.54
7.2.320.0060.01216.61
7.2.310.0070.01016.49
7.2.300.0060.01216.35
7.2.290.0100.00616.49
7.2.250.0080.00914.86
7.2.240.0100.01014.80
7.2.230.0040.01214.95
7.2.220.0070.00714.97
7.2.210.0020.01114.94
7.2.200.0110.00314.77
7.2.190.0080.00614.88
7.2.180.0060.00914.77
7.2.170.0050.00914.75
7.2.130.0030.01016.65
7.2.120.0070.01016.62
7.2.110.0100.00316.93
7.2.100.0090.00316.68
7.2.90.0030.01016.61
7.2.80.0120.00916.29
7.2.70.0090.00616.55
7.2.60.0030.01216.70
7.2.50.0070.00416.88
7.2.40.0030.01016.71
7.2.30.0070.00716.82
7.2.20.0090.00616.57
7.2.10.0030.01116.49
7.2.00.0080.00618.01
7.1.330.0070.00615.59
7.1.320.0050.00615.65
7.1.310.0090.00715.73
7.1.300.0060.00715.56
7.1.290.0060.00815.52
7.1.280.0070.00515.64
7.1.270.0070.00715.60
7.1.260.0060.00815.57
7.1.250.0070.01715.70
7.1.200.0080.00315.44
7.1.100.0000.01217.96
7.1.70.0040.00816.87
7.1.60.0110.00419.29
7.1.50.0040.01116.86
7.1.00.0030.07722.37
7.0.200.0070.00716.72
7.0.140.0070.07022.09
7.0.100.0270.07019.92
7.0.90.0130.04719.93
7.0.80.0070.08019.93
7.0.70.0100.03719.95
7.0.60.0070.04319.88
7.0.50.0100.03720.32
7.0.40.0000.04320.12
7.0.30.0030.04020.13
7.0.20.0130.03020.02
7.0.10.0070.04020.10
7.0.00.0030.04720.04
5.6.280.0030.07320.87
5.6.250.0170.07720.62
5.6.240.0100.04720.67
5.6.230.0030.07720.55
5.6.220.0100.07020.58
5.6.210.0000.04320.76
5.6.200.0030.05020.96
5.6.190.0000.05021.11
5.6.180.0000.04321.16
5.6.170.0030.06320.94
5.6.160.0030.04020.96
5.6.150.0100.06020.96
5.6.140.0030.05020.94
5.6.130.0100.08321.02
5.6.120.0030.04321.00
5.6.110.0000.05021.03
5.6.100.0130.03020.97
5.6.90.0000.04721.15
5.6.80.0030.04020.35
5.6.70.0030.06020.38
5.6.60.0070.03720.38
5.6.50.0100.03320.46
5.6.40.0100.03320.32
5.6.30.0030.04020.44
5.6.20.0070.04020.38
5.6.10.0100.03320.48
5.6.00.0070.03720.45
5.5.380.0030.07320.42
5.5.370.0000.09020.43
5.5.360.0070.03320.34
5.5.350.0070.03720.42
5.5.340.0000.04320.88
5.5.330.0100.04020.77
5.5.320.0070.06020.76
5.5.310.0000.04320.73
5.5.300.0000.04020.93
5.5.290.0030.04320.89
5.5.280.0070.04020.65
5.5.270.0130.03320.88
5.5.260.0070.04320.82
5.5.250.0130.03020.59
5.5.240.0100.04020.26
5.5.230.0070.03720.21
5.5.220.0030.04020.21
5.5.210.0030.04020.03
5.5.200.0130.04020.25
5.5.190.0030.05720.24
5.5.180.0000.05020.21
5.5.160.0100.03720.25
5.5.150.0070.05720.18
5.5.140.0100.07319.98
5.5.130.0070.04720.08
5.5.120.0070.07720.18
5.5.110.0030.07719.98
5.5.100.0030.08320.14
5.5.90.0100.07020.09
5.5.80.0100.03020.15
5.5.70.0030.08020.07
5.5.60.0070.05320.15
5.5.50.0130.07020.14
5.5.40.0170.05720.06
5.5.30.0000.08019.95
5.5.20.0130.07319.93
5.5.10.0070.08020.12
5.5.00.0070.04719.96
5.4.450.0100.03319.20
5.4.440.0070.04019.23
5.4.430.0000.04319.45
5.4.420.0100.03319.45
5.4.410.0070.03719.36
5.4.400.0030.03719.18
5.4.390.0070.03318.85
5.4.380.0070.03319.02
5.4.370.0030.04019.09
5.4.360.0000.04718.90
5.4.350.0100.03018.93
5.4.340.0100.03319.12
5.4.320.0030.04018.88
5.4.310.0030.03719.21
5.4.300.0100.06719.04
5.4.290.0000.08019.21
5.4.280.0070.05718.87
5.4.270.0030.03718.84
5.4.260.0030.03719.09
5.4.250.0070.06319.04
5.4.240.0170.06318.98
5.4.230.0070.07319.12
5.4.220.0100.04318.89
5.4.210.0100.07019.14
5.4.200.0070.07718.84
5.4.190.0030.08019.04
5.4.180.0070.05019.11
5.4.170.0130.07019.24
5.4.160.0130.03318.94
5.4.150.0100.08019.21
5.4.140.0070.07316.46
5.4.130.0100.04316.45
5.4.120.0070.07016.37
5.4.110.0030.07016.52
5.4.100.0070.07316.56
5.4.90.0030.07316.48
5.4.80.0100.06716.38
5.4.70.0130.07016.54
5.4.60.0070.07316.40
5.4.50.0070.04316.39
5.4.40.0100.07016.49
5.4.30.0070.05016.36
5.4.20.0100.03016.44
5.4.10.0100.05016.30
5.4.00.0100.03315.84
5.3.290.0030.03714.63
5.3.280.0000.08014.54
5.3.270.0230.08014.66
5.3.260.0070.08314.66
5.3.250.0100.06714.74
5.3.240.0100.07714.74
5.3.230.0030.07314.68
5.3.220.0100.03714.57
5.3.210.0070.07314.68
5.3.200.0070.04714.58
5.3.190.0070.06014.54
5.3.180.0070.07314.68
5.3.170.0100.04714.61
5.3.160.0000.08014.53
5.3.150.0130.06714.66
5.3.140.0070.07014.59
5.3.130.0070.07314.54
5.3.120.0070.07714.64
5.3.110.0070.08014.68
5.3.100.0030.05014.13
5.3.90.0000.04714.05
5.3.80.0100.07714.07
5.3.70.0100.07314.13
5.3.60.0170.05714.12
5.3.50.0100.05014.03
5.3.40.0030.07713.87
5.3.30.0130.03313.89
5.3.20.0030.07313.59
5.3.10.0000.07313.76
5.3.00.0070.03713.66
5.2.170.0070.05311.09
5.2.160.0070.05711.16
5.2.150.0070.05311.10
5.2.140.0000.06711.13
5.2.130.0030.03711.12
5.2.120.0100.06010.93
5.2.110.0070.04311.14
5.2.100.0030.06011.11
5.2.90.0000.06710.95
5.2.80.0070.06010.93
5.2.70.0100.05311.08
5.2.60.0070.05710.91
5.2.50.0070.05311.01
5.2.40.0070.04311.06
5.2.30.0070.06011.01
5.2.20.0070.05710.96
5.2.10.0030.06010.86
5.2.00.0130.05310.73
5.1.60.0070.05010.04
5.1.50.0000.05710.05
5.1.40.0030.05710.00
5.1.30.0030.05710.19
5.1.20.0030.04310.28
5.1.10.0070.05310.12
5.1.00.0070.0539.95
5.0.50.0030.0509.36
5.0.40.0000.0509.36
5.0.30.0070.0439.36
5.0.20.0000.0439.36
5.0.10.0030.0379.36
5.0.00.0000.0379.36
4.4.90.0070.0309.36
4.4.80.0000.0339.36
4.4.70.0030.0239.36
4.4.60.0070.0239.36
4.4.50.0070.0339.36
4.4.40.0000.0439.36
4.4.30.0000.0409.36
4.4.20.0030.0379.36
4.4.10.0030.0379.36
4.4.00.0070.0509.36
4.3.110.0000.0379.36
4.3.100.0000.0309.36
4.3.90.0000.0239.36
4.3.80.0030.0309.36
4.3.70.0000.0379.36
4.3.60.0000.0309.36
4.3.50.0000.0409.36
4.3.40.0030.0409.36
4.3.30.0070.0309.36
4.3.20.0030.0309.36
4.3.10.0000.0209.36
4.3.00.0000.0239.36

preferences:
37.01 ms | 401 KiB | 5 Q