3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { private $foo = array('foo' => NULL); function __construct() { echo key($this->foo); } } new X;

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)
8.3.70.0150.00016.58
8.3.60.0180.00018.30
8.3.50.0140.00521.08
8.3.40.0110.00418.71
8.3.30.0070.00720.16
8.3.20.0100.00320.21
8.3.10.0050.00320.89
8.3.00.0000.00822.39
8.2.180.0000.01916.38
8.2.170.0120.00322.96
8.2.160.0070.00722.08
8.2.150.0030.00524.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0060.00620.88
8.2.110.0090.00019.21
8.2.100.0090.00317.78
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0080.00018.04
8.2.50.0030.00618.07
8.2.40.0040.00418.09
8.2.30.0040.00419.30
8.2.20.0050.00217.52
8.2.10.0000.00817.47
8.2.00.0050.00317.55
8.1.280.0070.01025.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00320.58
8.1.230.0090.00320.95
8.1.220.0070.00018.77
8.1.210.0000.00818.77
8.1.200.0000.00917.11
8.1.190.0060.00317.38
8.1.180.0030.00518.10
8.1.170.0040.00418.61
8.1.160.0030.00518.80
8.1.150.0030.00518.51
8.1.140.0000.00717.20
8.1.130.0040.00417.63
8.1.120.0040.00417.41
8.1.110.0070.00417.21
8.1.100.0040.00417.34
8.1.90.0000.00717.23
8.1.80.0030.00317.32
8.1.70.0030.00317.23
8.1.60.0040.00417.54
8.1.50.0040.00417.41
8.1.40.0050.00217.27
8.1.30.0060.00317.60
8.1.20.0050.00317.57
8.1.10.0060.00317.50
8.1.00.0080.00017.43
8.0.300.0000.00819.89
8.0.290.0000.00717.18
8.0.280.0040.00418.34
8.0.270.0000.00717.26
8.0.260.0030.00316.81
8.0.250.0000.00716.94
8.0.240.0000.00816.93
8.0.230.0040.00416.77
8.0.220.0030.00316.75
8.0.210.0070.00016.67
8.0.200.0000.00716.79
8.0.190.0070.00016.79
8.0.180.0090.00016.77
8.0.170.0040.00416.73
8.0.160.0030.00316.73
8.0.150.0000.00716.68
8.0.140.0040.00416.75
8.0.130.0000.00513.24
8.0.120.0000.00816.63
8.0.110.0040.00416.69
8.0.100.0000.00816.57
8.0.90.0040.00416.73
8.0.80.0120.00916.64
8.0.70.0030.00516.63
8.0.60.0000.00716.67
8.0.50.0000.00716.64
8.0.30.0140.01016.94
8.0.20.0080.01017.40
8.0.10.0000.00716.82
8.0.00.0060.01416.50
7.4.330.0000.00615.05
7.4.320.0050.00316.46
7.4.300.0000.00616.53
7.4.290.0030.00316.54
7.4.280.0030.00316.37
7.4.270.0030.00316.41
7.4.260.0000.00513.16
7.4.250.0040.00416.50
7.4.240.0040.00416.51
7.4.230.0000.00716.54
7.4.220.0110.00716.49
7.4.210.0070.01016.52
7.4.200.0040.00416.23
7.4.190.0030.00316.45
7.4.160.0090.00616.51
7.4.150.0080.00817.40
7.4.140.0060.01217.86
7.4.130.0080.00916.41
7.4.120.0080.00916.51
7.4.110.0150.00416.38
7.4.100.0060.01216.64
7.4.90.0140.00516.50
7.4.80.0080.00819.39
7.4.70.0100.00616.48
7.4.60.0140.00416.25
7.4.50.0040.00416.47
7.4.40.0030.01022.77
7.4.30.0150.01916.24
7.4.00.0090.00615.01
7.3.330.0020.00213.30
7.3.320.0040.00313.16
7.3.310.0090.00016.25
7.3.300.0000.00716.11
7.3.290.0030.01016.36
7.3.280.0080.01216.23
7.3.270.0130.00317.40
7.3.260.0110.00718.24
7.3.250.0050.01216.24
7.3.240.0130.00316.27
7.3.230.0140.00416.39
7.3.210.0060.01016.33
7.3.200.0170.00919.39
7.3.190.0030.00416.40
7.3.180.0060.01316.11
7.3.170.0060.01216.48
7.3.160.0090.00616.53
7.3.120.0060.00914.88
7.2.330.0120.00416.57
7.2.320.0110.00716.64
7.2.310.0130.01016.71
7.2.300.0060.01016.55
7.2.290.0060.01116.43
7.2.00.0040.01119.35
7.1.100.0000.01717.58
7.1.70.0000.00716.86
7.1.60.0150.01119.17
7.1.50.0030.01916.87
7.1.00.0030.03322.36
7.0.200.0300.00414.25
7.0.140.0070.09322.05
7.0.60.0170.06020.02
7.0.50.0070.08317.87
7.0.40.0070.09720.40
7.0.30.0470.03320.24
7.0.20.0470.06020.23
7.0.10.0070.05020.07
7.0.00.0100.05020.15
5.6.280.0100.06720.98
5.6.210.0130.07320.55
5.6.200.0130.07318.19
5.6.190.0070.04020.67
5.6.180.3130.04720.77
5.6.170.0070.05020.39
5.6.160.0030.08720.46
5.6.150.0030.04018.25
5.6.140.0030.09018.18
5.6.130.0070.05718.12
5.6.120.0070.08320.97
5.6.110.0030.04721.11
5.6.100.0030.05021.03
5.6.90.0170.07720.96
5.6.80.0270.07020.41
5.5.350.0500.06020.49
5.5.340.0000.04717.97
5.5.330.0100.08720.30
5.5.320.2730.03320.35
5.5.310.0300.06020.24
5.5.300.0030.08318.08
5.5.290.0000.05017.98
5.5.280.0100.06720.85
5.5.270.0000.07320.83
5.5.260.0070.06320.96
5.5.250.0100.06720.58
5.5.240.0000.07320.36
5.4.450.0230.07319.39
5.4.440.0270.08319.17
5.4.430.0400.06319.48
5.4.420.0370.06719.19
5.4.410.0270.04719.51
5.4.400.0330.07018.86
5.4.390.0230.06319.09
5.4.380.0300.07019.09
5.4.370.0300.07019.14
5.4.360.0270.06718.98
5.4.350.0470.06018.88
5.4.340.0270.05719.09
5.4.320.0300.04018.85
5.4.310.0270.07318.88
5.4.300.0400.06318.98
5.4.290.0330.06319.26
5.4.280.0270.04319.00
5.4.270.0370.06319.22
5.4.260.0300.06319.19
5.4.250.0230.04719.20
5.4.240.0300.04019.21
5.4.230.0330.06718.94
5.4.220.0300.06319.19
5.4.210.0330.06718.94
5.4.200.0230.04019.21
5.4.190.0430.06019.12
5.4.180.0270.06719.05
5.4.170.0300.04319.14
5.4.160.0300.06018.85
5.4.150.0230.07719.14
5.4.140.0330.03016.38
5.4.130.0300.06716.50
5.4.120.0270.04316.46
5.4.110.0330.06016.45
5.4.100.0230.04716.28
5.4.90.0270.03716.40
5.4.80.0270.03316.26
5.4.70.0270.06016.25
5.4.60.0200.04016.33
5.4.50.0300.04016.38
5.4.40.0270.05716.16
5.4.30.0300.06716.53
5.4.20.0370.04716.51
5.4.10.0300.03316.24
5.4.00.0270.04015.83
5.3.290.0330.07314.69
5.3.280.0300.07314.56
5.3.270.0230.04714.82
5.3.260.0300.03714.57
5.3.250.0300.05714.71
5.3.240.0300.07014.51
5.3.230.0370.06014.66
5.3.220.0330.07314.48
5.3.210.0430.05714.57
5.3.200.0330.06014.59
5.3.190.0230.05314.53
5.3.180.0200.04314.58
5.3.170.0230.04014.55
5.3.160.0200.04014.56
5.3.150.0270.05714.78
5.3.140.0270.04314.46
5.3.130.0300.04714.56
5.3.120.0270.05014.54
5.3.110.0270.07314.55
5.3.100.0370.07014.02
5.3.90.0270.07013.96
5.3.80.0270.07714.02
5.3.70.0270.04314.09
5.3.60.0530.03014.05
5.3.50.0300.03313.85
5.3.40.0330.05314.06
5.3.30.0270.04313.81
5.3.20.0370.06013.84
5.3.10.0230.06713.77
5.3.00.0300.06713.64
5.2.170.0230.04311.91
5.2.160.0200.03311.91
5.2.150.0200.06011.91
5.2.140.0230.04011.91
5.2.130.0200.03711.91
5.2.120.0230.04711.91
5.2.110.0200.06011.91
5.2.100.0330.05011.91
5.2.90.0170.04711.91
5.2.80.0300.03011.91
5.2.70.0230.05311.91
5.2.60.0300.04011.91
5.2.50.0270.06011.91
5.2.40.0170.03711.91
5.2.30.0230.05711.91
5.2.20.0170.05311.91
5.2.10.0230.05311.91
5.2.00.0170.05011.91
5.1.60.0300.04311.91
5.1.50.0230.04011.91
5.1.40.0130.02711.91
5.1.30.0230.04311.91
5.1.20.0230.02711.91
5.1.10.0200.05011.91
5.1.00.0300.04711.91
5.0.50.0070.03011.91
5.0.40.0170.01711.91
5.0.30.0130.03711.91
5.0.20.0130.02311.91
5.0.10.0130.02311.91
5.0.00.0100.06311.91
4.4.90.0130.02711.91
4.4.80.0130.01711.91
4.4.70.0130.03011.91
4.4.60.0130.03311.91
4.4.50.0100.03711.91
4.4.40.0100.05011.91
4.4.30.0070.02311.91
4.4.20.0070.01711.91
4.4.10.0070.02311.91
4.4.00.0100.03011.91
4.3.110.0100.03711.91
4.3.100.0100.02011.91
4.3.90.0070.02011.91
4.3.80.0070.03011.91
4.3.70.0100.03311.91
4.3.60.0100.02311.91
4.3.50.0100.03711.91
4.3.40.0100.05011.91
4.3.30.0030.03711.91
4.3.20.0030.02011.91
4.3.10.0130.01711.91
4.3.00.0070.02011.91

preferences:
36.94 ms | 401 KiB | 5 Q