3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { public static function get() { static $instance = null; if ($instance === null) { $instance = new static(); } return $instance; } } final class B extends A { } final class C extends A { } var_dump(B::get()); var_dump(C::get());

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)
8.3.60.0140.00018.43
8.3.50.0180.00321.28
8.3.40.0120.00318.50
8.3.30.0090.00618.82
8.3.20.0080.00020.01
8.3.10.0060.00323.61
8.3.00.0060.00319.12
8.2.180.0110.00718.54
8.2.170.0040.01122.96
8.2.160.0060.00920.48
8.2.150.0070.00024.18
8.2.140.0030.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00422.00
8.2.110.0060.01222.25
8.2.100.0040.00817.75
8.2.90.0030.00619.05
8.2.80.0030.00617.97
8.2.70.0040.00417.50
8.2.60.0050.00517.80
8.2.50.0030.00518.07
8.2.40.0060.00318.16
8.2.30.0110.00017.97
8.2.20.0030.00517.65
8.2.10.0000.00818.03
8.2.00.0050.00317.78
8.1.280.0100.00725.92
8.1.270.0040.00423.87
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00423.88
8.1.230.0070.00419.16
8.1.220.0080.00017.79
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.66
8.1.160.0000.00821.96
8.1.150.0000.00718.79
8.1.140.0040.00417.44
8.1.130.0000.00717.77
8.1.120.0040.00417.52
8.1.110.0070.00017.36
8.1.100.0050.00317.32
8.1.90.0050.00517.28
8.1.80.0040.00417.30
8.1.70.0000.00617.33
8.1.60.0080.00017.61
8.1.50.0040.00417.39
8.1.40.0000.00717.50
8.1.30.0040.00417.54
8.1.20.0050.00217.53
8.1.10.0000.00717.46
8.1.00.0030.00517.39
8.0.300.0080.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00718.48
8.0.270.0040.00417.25
8.0.260.0040.00417.14
8.0.250.0030.00316.91
8.0.240.0000.00616.88
8.0.230.0070.00016.91
8.0.220.0070.00016.85
8.0.210.0000.00716.94
8.0.200.0030.00316.96
8.0.190.0030.00616.80
8.0.180.0030.00316.98
8.0.170.0040.00416.79
8.0.160.0040.00416.96
8.0.150.0070.00016.72
8.0.140.0040.00416.75
8.0.130.0030.00313.38
8.0.120.0050.00316.85
8.0.110.0000.00716.77
8.0.100.0050.00316.81
8.0.90.0000.00716.85
8.0.80.0100.00716.82
8.0.70.0000.00716.69
8.0.60.0000.00716.91
8.0.50.0040.00416.87
8.0.30.0100.00917.07
8.0.20.0070.01117.40
8.0.10.0000.00816.81
8.0.00.0090.00816.54
7.4.330.0030.00315.09
7.4.320.0030.00316.48
7.4.300.0030.00316.46
7.4.290.0070.00016.53
7.4.280.0040.00416.46
7.4.270.0000.00716.65
7.4.260.0030.00316.50
7.4.250.0070.00016.56
7.4.240.0030.00316.60
7.4.230.0070.00016.52
7.4.220.0160.01016.69
7.4.210.0030.01016.51
7.4.200.0000.00716.39
7.4.160.0080.00816.53
7.4.150.0060.01317.40
7.4.140.0120.00617.86
7.4.130.0080.00816.53
7.4.120.0100.00816.48
7.4.110.0140.00416.62
7.4.100.0030.01316.63
7.4.90.0110.00516.43
7.4.80.0140.00719.39
7.4.70.0090.00916.65
7.4.60.0060.01016.50
7.4.50.0040.00416.40
7.4.40.0100.00616.52
7.4.30.0070.01016.46
7.4.00.0100.00714.99
7.3.330.0050.00013.33
7.3.320.0020.00213.10
7.3.310.0040.00416.11
7.3.300.0000.00716.22
7.3.290.0050.00816.27
7.3.280.0070.00916.27
7.3.270.0040.01617.40
7.3.260.0030.01516.22
7.3.250.0070.00916.56
7.3.240.0130.00716.25
7.3.230.0050.01516.46
7.3.210.0100.00716.48
7.3.200.0140.00319.39
7.3.190.0130.00516.22
7.3.180.0080.00816.61
7.3.170.0140.00316.52
7.3.160.0060.01016.51
7.2.330.0140.01216.50
7.2.320.0060.01216.60
7.2.310.0100.00716.55
7.2.300.0070.01016.33
7.2.290.0080.00816.76
7.1.70.0040.00717.11
7.1.60.0060.01819.11
7.1.50.0030.02216.88
7.1.00.0000.08022.46
7.0.200.0050.00216.81
7.0.140.0030.07322.12
7.0.60.0130.07719.91
7.0.50.0100.08017.85
7.0.40.0170.07720.14
7.0.30.0270.05320.15
7.0.20.0230.04320.19
7.0.10.0000.07720.33
7.0.00.0170.04720.15
5.6.280.0070.07021.02
5.6.210.0070.07720.53
5.6.200.0100.04718.15
5.6.190.0070.04320.63
5.6.180.0230.08320.62
5.6.170.0400.06720.55
5.6.160.0070.05320.56
5.6.150.0100.08018.27
5.6.140.0030.07018.18
5.6.130.0030.04718.18
5.6.120.0100.04720.95
5.6.110.0070.08721.01
5.6.100.0130.08021.08
5.6.90.0130.07720.95
5.6.80.0070.07320.39
5.6.70.4370.04020.52
5.5.350.0130.08320.31
5.5.340.0030.09018.02
5.5.330.0170.07020.31
5.5.320.0330.04020.37
5.5.310.0400.07320.30
5.5.300.0000.05718.02
5.5.290.0000.04717.98
5.5.280.0070.05720.77
5.5.270.0030.04720.89
5.5.260.0100.08020.84
5.5.250.0070.08320.47
5.5.240.0130.03720.15
5.4.450.0200.05319.42
5.4.440.0270.07019.18
5.4.430.0000.08019.45
5.4.420.0170.07319.47
5.4.410.0100.06319.44
5.4.400.0270.06719.23
5.4.390.0270.03318.94
5.4.380.0230.05719.19
5.4.370.0270.05719.08
5.4.360.0270.04719.15
5.4.350.0230.05019.22
5.4.340.0270.07319.19
5.4.320.0270.04018.99
5.4.310.0270.04319.15
5.4.300.0330.07019.08
5.4.290.0270.07319.13
5.4.280.0270.06719.22
5.4.270.0300.06719.09
5.4.260.0330.06319.14
5.4.250.0200.07719.08
5.4.240.0200.05318.97
5.4.230.0270.06719.24
5.4.220.0170.08319.18
5.4.210.0270.05319.14
5.4.200.0300.05018.98
5.4.190.0230.07318.98
5.4.180.0130.06019.12
5.4.170.0130.08319.30
5.4.160.0300.03319.07
5.4.150.0300.07018.95
5.4.140.0300.07016.36
5.4.130.0270.07016.60
5.4.120.0200.06316.56
5.4.110.0270.05316.63
5.4.100.0230.05016.61
5.4.90.0170.05016.61
5.4.80.0200.05716.58
5.4.70.0230.03316.38
5.4.60.0270.06316.35
5.4.50.0370.05316.50
5.4.40.0230.07016.38
5.4.30.0330.06016.52
5.4.20.0170.04316.55
5.4.10.0430.05316.50
5.4.00.0230.04715.96
5.3.290.0170.05014.57
5.3.280.0270.04314.56
5.3.270.0270.06014.50
5.3.260.0300.06314.61
5.3.250.0270.07314.53
5.3.240.0230.05014.68
5.3.230.0300.03014.57
5.3.220.0300.04714.54
5.3.210.0270.06014.61
5.3.200.0200.07014.46
5.3.190.0230.07014.64
5.3.180.0270.05314.57
5.3.170.0300.06314.48
5.3.160.0200.07314.72
5.3.150.0200.06714.52
5.3.140.0270.06314.46
5.3.130.0200.07714.45
5.3.120.0270.06014.57
5.3.110.0230.04014.45
5.3.100.0270.06713.94
5.3.90.0130.08714.13
5.3.80.0200.04714.24
5.3.70.0170.07013.98
5.3.60.0170.04713.91
5.3.50.0230.06013.97
5.3.40.0270.06013.96
5.3.30.0500.04713.83
5.3.20.0300.06713.91
5.3.10.0230.07013.58
5.3.00.0270.06713.57
5.2.170.0200.05712.02
5.2.160.0230.05312.02
5.2.150.0200.05712.02
5.2.140.0230.06012.02
5.2.130.0130.06312.02
5.2.120.0200.05712.02
5.2.110.0170.05312.02
5.2.100.0170.05712.02
5.2.90.0270.03312.02
5.2.80.0200.06312.02
5.2.70.0170.06012.02
5.2.60.0270.05312.02
5.2.50.0130.04712.02
5.2.40.0070.06012.02
5.2.30.0230.04712.02
5.2.20.0100.03712.02
5.2.10.0170.03312.02
5.2.00.0230.04012.02
5.1.60.0100.04712.02
5.1.50.0170.05712.02
5.1.40.0170.04012.02
5.1.30.0230.04012.02
5.1.20.0100.04012.02
5.1.10.0170.03312.02
5.1.00.0100.05712.02
5.0.50.0070.04712.02
5.0.40.0070.03012.02
5.0.30.0070.06312.02
5.0.20.0100.04012.02
5.0.10.0070.03712.02
5.0.00.0070.06312.02
4.4.90.0100.03312.02
4.4.80.0030.03012.02
4.4.70.0000.01712.02
4.4.60.0000.02312.02
4.4.50.0070.02012.02
4.4.40.0130.04712.02
4.4.30.0100.03712.02
4.4.20.0000.02312.02
4.4.10.0130.02712.02
4.4.00.0030.05712.02
4.3.110.0100.03012.02
4.3.100.0070.02012.02
4.3.90.0030.03012.02
4.3.80.0130.04712.02
4.3.70.0030.03012.02
4.3.60.0000.04012.02
4.3.50.0030.03712.02
4.3.40.0130.04712.02
4.3.30.0070.02312.02
4.3.20.0000.03712.02
4.3.10.0030.03012.02
4.3.00.0070.03712.02

preferences:
44.13 ms | 401 KiB | 5 Q