3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = function(){ var_dump($this); var_dump(get_class($this)); }; $t();die; abstract class T { static public $instanses; final private function __construct(){ } public static function getInstance() { var_dump(static::$instanses); if (!(static::$instanses instanceof static)) { static::$instanses = new static; } var_dump(static::$instanses); return static::$instanses; } } class A extends T { static public $instanses; } class B extends A { static public $instanses; } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); new B(); ?>

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)
8.3.40.0000.01618.54
8.3.30.0140.00418.71
8.3.20.0100.01020.16
8.3.10.0040.00423.66
8.3.00.0050.00322.39
8.2.170.0090.00622.96
8.2.160.0140.00620.29
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0060.00317.63
8.2.110.0060.00322.21
8.2.100.0000.01118.03
8.2.90.0080.00019.18
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0000.00821.09
8.2.30.0040.00718.16
8.2.20.0040.00417.81
8.2.10.0070.00018.05
8.2.00.0000.00717.97
8.1.270.0080.00022.03
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0100.00023.90
8.1.230.0090.00320.87
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0060.00618.50
8.1.160.0050.00222.04
8.1.150.0040.00418.88
8.1.140.0000.00817.49
8.1.130.0060.00317.38
8.1.120.0040.00417.37
8.1.110.0040.00417.43
8.1.100.0080.00017.42
8.1.90.0000.00817.48
8.1.80.0000.00817.46
8.1.70.0050.00217.45
8.1.60.0000.00717.48
8.1.50.0050.00317.57
8.1.40.0060.00317.53
8.1.30.0030.00617.64
8.1.20.0040.00417.52
8.1.10.0040.00417.64
8.1.00.0070.00017.41
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.41
8.0.270.0000.00717.18
8.0.260.0000.00716.84
8.0.250.0070.00016.88
8.0.240.0030.00616.89
8.0.230.0030.00416.88
8.0.220.0000.00716.94
8.0.210.0000.00816.81
8.0.200.0000.00617.00
8.0.190.0040.00417.03
8.0.180.0000.00716.89
8.0.170.0000.00817.00
8.0.160.0060.00316.88
8.0.150.0050.00216.91
8.0.140.0000.00716.86
8.0.130.0030.00313.45
8.0.120.0080.00016.96
8.0.110.0040.00416.93
8.0.100.0070.00017.09
8.0.90.0030.00317.00
8.0.80.0060.00916.96
8.0.70.0000.00716.97
8.0.60.0050.00316.92
8.0.50.0000.00716.95
8.0.30.0140.00616.96
8.0.20.0100.00817.40
8.0.10.0040.00417.17
8.0.00.0060.01116.84
7.4.330.0060.00015.08
7.4.320.0030.00316.59
7.4.300.0060.00016.63
7.4.290.0000.00716.65
7.4.280.0060.00316.48
7.4.270.0000.00716.48
7.4.260.0030.00316.51
7.4.250.0050.00216.41
7.4.240.0010.00616.61
7.4.230.0000.00716.73
7.4.220.0100.00716.59
7.4.210.0130.00516.60
7.4.200.0000.00716.70
7.4.160.0130.00316.48
7.4.150.0130.00617.40
7.4.140.0080.01117.86
7.4.130.0120.00916.63
7.4.120.0070.01016.65
7.4.110.0120.00616.43
7.4.100.0040.01816.49
7.4.90.0080.00816.62
7.4.80.0040.01719.39
7.4.70.0060.01216.65
7.4.60.0100.00716.66
7.4.50.0040.00416.63
7.4.40.0100.01016.55
7.4.30.0130.01016.54
7.4.00.0030.01015.07
7.3.330.0000.00613.32
7.3.320.0000.00513.30
7.3.310.0030.00316.28
7.3.300.0070.00016.33
7.3.290.0030.00316.14
7.3.280.0080.01016.28
7.3.270.0150.00317.40
7.3.260.0090.00916.43
7.3.250.0100.00716.49
7.3.240.0130.00316.48
7.3.230.0110.00816.39
7.3.210.0120.00416.44
7.3.200.0130.01019.39
7.3.190.0070.01016.40
7.3.180.0040.01116.23
7.3.170.0140.00316.44
7.3.160.0100.01016.46
7.2.330.0110.01116.51
7.2.320.0170.00616.63
7.2.310.0060.01216.77
7.2.300.0080.00816.69
7.2.290.0120.00916.56
7.2.60.0080.00616.82
7.2.00.0030.01019.43
7.1.200.0000.01215.64
7.1.100.0090.00318.00
7.1.70.0030.00617.21
7.1.60.0090.01620.03
7.1.50.0260.01334.66
7.1.00.0070.07022.45
7.0.200.0300.00314.97
7.0.60.0030.07020.10
7.0.50.0070.08717.87
7.0.40.0100.07320.26
7.0.30.0230.05320.15
7.0.20.0330.03720.16
7.0.10.0300.06320.09
7.0.00.0070.05320.23
5.6.280.0000.06321.11
5.6.210.0030.05020.57
5.6.200.0030.05018.23
5.6.190.0100.05020.64
5.6.180.0270.08020.60
5.6.170.0300.04720.44
5.6.160.0070.04020.54
5.6.150.0000.08718.15
5.6.140.0130.03718.16
5.6.130.0170.07018.18
5.6.120.0100.04721.15
5.6.110.0130.05720.97
5.6.100.0070.09020.99
5.6.90.0070.05721.03
5.6.80.0030.06020.45
5.6.70.4500.03320.29
5.5.350.0000.09020.37
5.5.340.0030.08718.00
5.5.330.0100.04020.21
5.5.320.0330.06720.42
5.5.310.0300.07720.24
5.5.300.0070.03717.94
5.5.290.0030.05717.97
5.5.280.0000.04720.78
5.5.270.0070.08320.77
5.5.260.0170.08020.77
5.5.250.0200.08020.60
5.5.240.0100.07720.27
5.4.450.0970.09019.39
5.4.440.0170.07719.48
5.4.430.0100.06719.55
5.4.420.0400.05719.47
5.4.410.0900.06719.26
5.4.400.1100.03719.16
5.4.390.0900.06019.28
5.4.380.0900.06319.15
5.4.370.0900.04719.06
5.4.360.0970.06019.38
5.4.350.1030.04719.02
5.4.340.0770.07319.32
5.4.320.0930.07019.22
5.4.310.1130.05718.84
5.4.300.0930.06319.30
5.4.290.0900.07319.05
5.4.280.0770.06019.25
5.4.270.0170.05319.38
5.4.260.0130.05019.28
5.4.250.0170.06718.83
5.4.240.0800.05019.05
5.4.230.0930.05719.25
5.4.220.0930.06019.31
5.4.210.0830.05319.08
5.4.200.1030.04716.91
5.4.190.0930.05719.02
5.4.180.0830.05019.18
5.4.170.0970.07319.18
5.4.160.0870.06319.00
5.4.150.0830.05318.96
5.4.140.0970.05016.45
5.4.130.0770.05716.60
5.4.120.0870.06016.50
5.4.110.0700.05716.35
5.4.100.0730.04716.39
5.4.90.0200.04316.61
5.4.80.0030.06016.34
5.4.70.0430.05716.36
5.4.60.0000.07316.53
5.4.50.0070.06716.32
5.4.40.0070.05716.54
5.4.30.0330.04316.18
5.4.20.0230.03316.42

preferences:
50.44 ms | 400 KiB | 5 Q