3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar { private static $instance; public static function getInstance() { if (null === static::$instance) { static::$instance = new static(); } return static::$instance; } protected function __construct() { } } class Foo extends Bar { protected function __construct() { } } Foo::getInstance();

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)
8.3.60.0110.00318.47
8.3.50.0080.01122.02
8.3.40.0070.01418.93
8.3.30.0070.00719.22
8.3.20.0040.00420.32
8.3.10.0060.00322.07
8.3.00.0040.00422.39
8.2.180.0140.00718.39
8.2.170.0110.00422.96
8.2.160.0070.00720.89
8.2.150.0040.00424.18
8.2.140.0120.00424.66
8.2.130.0000.00726.16
8.2.120.0060.00319.36
8.2.110.0060.00322.16
8.2.100.0080.00317.72
8.2.90.0080.00019.17
8.2.80.0060.00317.97
8.2.70.0050.00317.63
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0050.00318.28
8.2.30.0000.00818.00
8.2.20.0040.00417.47
8.2.10.0050.00317.63
8.2.00.0020.00517.53
8.1.280.0110.01125.92
8.1.270.0080.00023.96
8.1.260.0040.00426.35
8.1.250.0140.00028.09
8.1.240.0060.00323.92
8.1.230.0060.00619.16
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0040.00417.38
8.1.180.0050.00518.10
8.1.170.0030.00518.59
8.1.160.0040.00421.86
8.1.150.0040.00418.57
8.1.140.0030.00517.37
8.1.130.0000.00717.77
8.1.120.0070.00017.40
8.1.110.0000.00717.42
8.1.100.0030.00517.27
8.1.90.0070.00017.39
8.1.80.0040.00417.42
8.1.70.0030.00317.35
8.1.60.0040.00417.61
8.1.50.0000.00817.57
8.1.40.0030.00617.46
8.1.30.0040.00417.62
8.1.20.0050.00317.56
8.1.10.0080.00017.60
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0000.00718.37
8.0.270.0090.00017.11
8.0.260.0030.00316.80
8.0.250.0000.00716.93
8.0.240.0040.00416.94
8.0.230.0000.00716.96
8.0.220.0000.00716.85
8.0.210.0030.00316.73
8.0.200.0000.00616.87
8.0.190.0000.01116.91
8.0.180.0050.00316.71
8.0.170.0000.00716.82
8.0.160.0000.00716.96
8.0.150.0030.00316.76
8.0.140.0030.00416.81
8.0.130.0030.00313.20
8.0.120.0000.00816.73
8.0.110.0040.00416.81
8.0.100.0080.00016.84
8.0.90.0050.00216.72
8.0.80.0080.00716.85
8.0.70.0020.00516.78
8.0.60.0070.00016.82
8.0.50.0040.00416.61
8.0.30.0020.02017.08
8.0.20.0140.00517.40
8.0.10.0040.00416.80
8.0.00.0050.01516.78
7.4.330.0000.00515.00
7.4.320.0000.00616.43
7.4.300.0030.00316.53
7.4.290.0040.00416.54
7.4.280.0030.00316.52
7.4.270.0000.00716.62
7.4.260.0070.00016.50
7.4.250.0070.00016.56
7.4.240.0040.00316.51
7.4.230.0070.00016.34
7.4.220.0140.00316.54
7.4.210.0060.00916.58
7.4.200.0050.00316.45
7.4.190.0030.00316.51
7.4.160.0080.00816.36
7.4.150.0090.00917.40
7.4.140.0140.00517.86
7.4.130.0160.00316.61
7.4.120.0070.01516.55
7.4.110.0170.00716.54
7.4.100.0110.00516.62
7.4.90.0090.00616.57
7.4.80.0140.00519.39
7.4.70.0070.01016.34
7.4.60.0090.01416.48
7.4.50.0030.00316.35
7.4.40.0070.00722.77
7.4.30.0080.00816.47
7.4.00.0060.00914.95
7.3.330.0030.00313.29
7.3.320.0000.00513.17
7.3.310.0040.00416.34
7.3.300.0040.00416.16
7.3.290.0060.01316.30
7.3.280.0100.00516.37
7.3.270.0140.00417.40
7.3.260.0090.00816.27
7.3.250.0100.00716.57
7.3.240.0070.01016.29
7.3.230.0060.01016.39
7.3.210.0070.01016.27
7.3.200.0130.00319.39
7.3.190.0030.01516.57
7.3.180.0120.00616.34
7.3.170.0060.01016.55
7.3.160.0140.00316.38
7.3.120.0030.01314.96
7.2.330.0100.00716.44
7.2.320.0160.01516.37
7.2.310.0100.01316.60
7.2.300.0080.00816.50
7.2.290.0090.00616.33
7.2.60.0130.00316.79
7.2.00.0060.00619.46
7.1.200.0040.00415.71
7.1.100.0070.00717.98
7.1.70.0070.00716.82
7.1.60.0110.00719.82
7.1.50.0030.01616.79
7.1.00.0070.07022.27
7.0.200.0030.00916.67
7.0.140.0100.06722.12
7.0.60.0070.08719.90
7.0.50.0170.04717.91
7.0.40.0000.04719.96
7.0.30.0470.07720.09
7.0.20.0330.08020.22
7.0.10.0030.05020.23
7.0.00.0130.05720.25
5.6.280.0070.07020.90
5.6.210.0100.07020.53
5.6.200.0030.05318.18
5.6.190.0030.04320.33
5.6.180.0100.05020.41
5.6.170.0130.06720.48
5.6.160.0030.07020.52
5.6.150.0030.09018.22
5.6.140.0230.06318.18
5.6.130.0030.04018.18
5.6.120.0070.04320.95
5.6.110.0100.07720.98
5.6.100.0000.09021.00
5.6.90.0100.07320.98
5.6.80.0100.05320.47
5.6.70.4530.04320.42
5.5.350.0070.05020.36
5.5.340.0000.05718.02
5.5.330.0070.07020.47
5.5.320.0300.07020.31
5.5.310.0330.06020.19
5.5.300.0070.07017.95
5.5.290.0000.04717.97
5.5.280.0070.08720.81
5.5.270.0030.04320.86
5.5.260.0170.07320.77
5.5.250.0170.06720.48
5.5.240.0100.03320.28
5.4.450.0330.03319.41
5.4.440.0530.04319.20
5.4.430.0630.04319.27
5.4.420.0130.04319.41
5.4.410.0130.05018.70
5.4.400.0200.06318.84
5.4.390.0100.05018.51
5.4.380.0170.05018.79
5.4.370.0070.06018.69
5.4.360.0170.04718.54
5.4.350.0200.04718.52
5.4.340.0230.04318.64
5.4.320.0060.03912.50
5.4.310.0050.04012.50
5.4.300.0070.04012.51
5.4.290.0080.04812.50
5.4.280.0100.03912.37
5.4.270.0060.04212.37
5.4.260.0050.03812.37
5.4.250.0040.04012.37
5.4.240.0050.03812.37
5.4.230.0070.04812.37
5.4.220.0110.04712.36
5.4.210.0100.04712.37
5.4.200.0070.05212.36
5.4.190.0050.03812.36
5.4.180.0110.03412.36
5.4.170.0080.03312.38
5.4.160.0110.04212.37
5.4.150.0150.04012.36
5.4.140.0110.04612.04
5.4.130.0110.04112.03
5.4.120.0100.03111.99
5.4.110.0060.03411.99
5.4.100.0050.03911.98
5.4.90.0060.03711.98
5.4.80.0020.04511.99
5.4.70.0060.03511.99
5.4.60.0050.03911.98
5.4.50.0060.05711.98
5.4.40.0090.03811.97
5.4.30.0060.04011.97
5.4.20.0080.04111.97
5.4.10.0090.03411.97
5.4.00.0120.04411.46
5.3.290.0060.04312.80
5.3.280.0090.04912.71
5.3.270.0080.04712.72
5.3.260.0070.04612.71
5.3.250.0060.04512.72
5.3.240.0060.04512.72
5.3.230.0070.04712.71
5.3.220.0050.04112.68
5.3.210.0050.03912.68
5.3.200.0040.04312.68
5.3.190.0090.03412.68
5.3.180.0090.03312.68
5.3.170.0040.04312.66
5.3.160.0100.03812.67
5.3.150.0080.04512.67
5.3.140.0070.05112.66
5.3.130.0070.04412.66
5.3.120.0050.04112.66
5.3.110.0040.04112.66
5.3.100.0060.03612.11
5.3.90.0090.04012.08
5.3.80.0080.04212.07
5.3.70.0070.03812.08
5.3.60.0040.04312.06
5.3.50.0080.04312.00
5.3.40.0030.04512.00
5.3.30.0060.03611.95
5.3.20.0060.03611.74
5.3.10.0070.03811.70
5.3.00.0070.03711.70
5.2.170.0040.0389.18
5.2.160.0050.0289.19
5.2.150.0050.0329.18
5.2.140.0080.0329.18
5.2.130.0040.0309.14
5.2.120.0040.0299.14
5.2.110.0030.0319.15
5.2.100.0050.0399.14
5.2.90.0060.0279.14
5.2.80.0040.0319.14
5.2.70.0040.0329.14
5.2.60.0050.0329.09
5.2.50.0050.0369.06
5.2.40.0060.0329.04
5.2.30.0030.0429.02
5.2.20.0060.0289.00
5.2.10.0060.0278.92
5.2.00.0040.0328.79
5.1.60.0060.0248.07
5.1.50.0040.0258.06
5.1.40.0050.0248.04
5.1.30.0030.0278.39
5.1.20.0050.0268.41
5.1.10.0060.0278.14
5.1.00.0030.0278.14
5.0.50.0030.0226.62
5.0.40.0040.0196.48
5.0.30.0050.0306.29
5.0.20.0060.0176.25
5.0.10.0020.0216.23
5.0.00.0050.0296.22
4.4.90.0020.0164.78
4.4.80.0020.0164.76
4.4.70.0020.0164.76
4.4.60.0020.0164.75
4.4.50.0040.0174.77
4.4.40.0030.0274.71
4.4.30.0050.0144.76
4.4.20.0020.0164.84
4.4.10.0040.0144.85
4.4.00.0030.0244.76
4.3.110.0050.0134.67
4.3.100.0050.0144.66
4.3.90.0020.0184.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0020.0174.63
4.3.40.0030.0234.54
4.3.30.0040.0163.28
4.3.20.0030.0213.26
4.3.10.0020.0163.23
4.3.00.0070.01715.11

preferences:
41.84 ms | 401 KiB | 5 Q