3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = function(){ var_dump($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)
8.3.60.0070.00718.28
8.3.50.0150.00821.19
8.3.40.0080.00818.84
8.3.30.0110.00718.67
8.3.20.0050.00320.37
8.3.10.0040.00423.49
8.3.00.0000.00822.58
8.2.180.0070.01118.29
8.2.170.0070.00722.96
8.2.160.0040.01120.22
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00317.50
8.2.110.0060.00319.20
8.2.100.0040.00917.84
8.2.90.0000.00819.08
8.2.80.0030.00817.97
8.2.70.0060.00617.50
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0050.00320.98
8.2.30.0040.00419.90
8.2.20.0000.00717.74
8.2.10.0040.00418.18
8.2.00.0070.00018.14
8.1.280.0030.01225.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0090.00028.09
8.1.240.0060.00322.64
8.1.230.0110.00317.83
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.38
8.1.190.0030.00517.23
8.1.180.0100.00018.10
8.1.170.0050.00318.50
8.1.160.0040.00422.04
8.1.150.0040.00418.91
8.1.140.0040.00417.46
8.1.130.0000.00717.72
8.1.120.0080.00017.55
8.1.110.0070.00017.54
8.1.100.0040.00417.45
8.1.90.0000.00717.39
8.1.80.0030.00417.46
8.1.70.0030.00317.51
8.1.60.0000.00717.57
8.1.50.0090.00017.45
8.1.40.0030.00517.42
8.1.30.0030.00517.71
8.1.20.0000.00817.68
8.1.10.0070.00017.67
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.39
8.0.270.0070.00017.08
8.0.260.0000.00617.11
8.0.250.0000.00816.86
8.0.240.0030.00716.94
8.0.230.0000.00816.88
8.0.220.0000.00716.97
8.0.210.0040.00416.92
8.0.200.0000.00616.89
8.0.190.0040.00416.93
8.0.180.0000.00716.94
8.0.170.0030.00516.96
8.0.160.0040.00416.88
8.0.150.0000.00716.97
8.0.140.0000.00816.93
8.0.130.0030.00313.36
8.0.120.0040.00416.93
8.0.110.0040.00416.93
8.0.100.0040.00416.91
8.0.90.0070.00017.03
8.0.80.0000.01516.93
8.0.70.0030.00516.82
8.0.60.0080.00017.01
8.0.50.0040.00416.93
8.0.30.0140.00417.27
8.0.20.0080.01117.40
8.0.10.0020.00516.96
8.0.00.0100.00816.63
7.4.330.0030.00315.14
7.4.320.0030.00316.64
7.4.300.0000.00616.60
7.4.290.0030.00316.41
7.4.280.0030.00516.62
7.4.270.0040.00416.52
7.4.260.0040.00416.55
7.4.250.0080.00016.57
7.4.240.0030.00316.54
7.4.230.0030.00316.41
7.4.220.0090.00916.61
7.4.210.0050.01216.41
7.4.200.0000.00816.50
7.4.160.0060.00916.49
7.4.150.0090.00917.40
7.4.140.0070.01417.86
7.4.130.0090.01116.58
7.4.120.0120.00816.58
7.4.110.0000.01716.46
7.4.100.0150.00716.63
7.4.90.0130.00916.47
7.4.80.0110.00719.39
7.4.70.0030.01416.51
7.4.60.0100.00616.54
7.4.50.0000.00816.55
7.4.40.0100.01016.61
7.4.30.0030.00516.61
7.4.00.0080.00814.91
7.3.330.0000.00613.17
7.3.320.0030.00313.17
7.3.310.0050.00316.41
7.3.300.0030.00316.30
7.3.290.0000.00716.23
7.3.280.0110.00716.29
7.3.270.0140.00317.40
7.3.260.0170.00016.43
7.3.250.0100.00916.48
7.3.240.0100.00716.55
7.3.230.0160.00716.51
7.3.210.0060.01316.37
7.3.200.0060.01019.39
7.3.190.0130.00416.45
7.3.180.0110.00416.45
7.3.170.0100.00716.50
7.3.160.0100.00616.22
7.3.120.0060.01314.98
7.3.110.0040.01214.94
7.3.100.0070.01014.52
7.3.90.0070.00714.95
7.3.80.0150.00014.86
7.3.70.0040.00814.57
7.3.60.0100.00714.94
7.3.50.0040.00414.58
7.3.40.0100.00314.96
7.3.30.0060.00314.83
7.3.20.0110.00716.64
7.3.10.0050.01016.53
7.3.00.0070.01016.57
7.2.330.0130.00916.30
7.2.320.0090.00916.66
7.2.310.0030.01416.56
7.2.300.0060.01216.45
7.2.290.0100.01316.65
7.2.250.0080.00615.07
7.2.240.0000.01915.04
7.2.230.0060.00914.72
7.2.220.0030.01414.80
7.2.210.0030.01015.13
7.2.200.0110.00415.12
7.2.190.0060.00914.93
7.2.180.0090.00314.85
7.2.170.0000.00915.07
7.2.130.0040.01216.94
7.2.120.0110.00616.60
7.2.110.0040.00716.85
7.2.100.0070.00716.81
7.2.90.0040.01116.91
7.2.80.0000.01416.85
7.2.70.0040.00916.90
7.2.60.0060.00616.84
7.2.50.0070.01016.79
7.2.40.0040.00716.88
7.2.30.0060.00616.77
7.2.20.0070.00316.98
7.2.10.0090.00616.88
7.2.00.0080.00617.91
7.1.330.0090.00615.41
7.1.320.0000.01615.68
7.1.310.0070.00715.65
7.1.300.0040.01115.70
7.1.290.0060.00315.77
7.1.280.0030.01015.71
7.1.270.0000.01415.56
7.1.260.0160.00315.76
7.1.250.0030.01015.63
7.1.200.0030.01015.68
7.1.100.0000.01317.89
7.1.70.0030.00717.26
7.1.60.0070.01720.03
7.1.50.0200.00734.73
7.1.00.0030.07722.45
7.0.200.0210.00714.97
7.0.60.0130.07319.86
7.0.50.0070.06317.88
7.0.40.0100.08320.30
7.0.30.0300.06720.16
7.0.20.0200.08320.09
7.0.10.0100.08720.23
7.0.00.0170.07320.19
5.6.280.0000.06020.90
5.6.210.0100.08320.47
5.6.200.0070.08018.16
5.6.190.0170.07720.41
5.6.180.0300.07720.41
5.6.170.0230.04320.39
5.6.160.0070.04720.48
5.6.150.0070.03718.29
5.6.140.0100.04018.22
5.6.130.0100.04318.15
5.6.120.0130.07321.01
5.6.110.0070.04021.12
5.6.100.0200.07321.14
5.6.90.0030.06321.01
5.6.80.0130.07720.52
5.6.70.3870.05020.47
5.5.350.0230.08020.41
5.5.340.0030.06018.03
5.5.330.0100.08020.35
5.5.320.0330.07020.42
5.5.310.0330.06020.41
5.5.300.0130.07017.95
5.5.290.0100.07018.03
5.5.280.0000.05020.86
5.5.270.0070.08320.90
5.5.260.0100.05320.88
5.5.250.0070.08320.62
5.5.240.4300.03320.26
5.4.450.0970.05719.31
5.4.440.0830.05019.17
5.4.430.0770.06019.36
5.4.420.0770.06019.21
5.4.410.0600.07019.45
5.4.400.0100.05319.07
5.4.390.0070.06018.87
5.4.380.0530.06718.84
5.4.370.0800.07319.15
5.4.360.0730.06019.23
5.4.350.0730.07019.16
5.4.340.0930.05319.26
5.4.320.0770.06019.14
5.4.310.0870.05718.98
5.4.300.0900.07018.98
5.4.290.0730.05019.25
5.4.280.0800.05319.26
5.4.270.1000.05019.14
5.4.260.0970.05019.22
5.4.250.0970.07019.11
5.4.240.0800.05719.28
5.4.230.0570.05319.30
5.4.220.0130.05319.22
5.4.210.0100.05018.93
5.4.200.0470.06316.71
5.4.190.0830.05019.00
5.4.180.0830.06319.08
5.4.170.1030.06718.93
5.4.160.0870.06319.16
5.4.150.1130.05719.07
5.4.140.0800.04716.40
5.4.130.0930.05316.38
5.4.120.0900.04016.64
5.4.110.0730.05016.45
5.4.100.0800.05016.49
5.4.90.0700.06316.63
5.4.80.0570.07016.43
5.4.70.0770.06016.58
5.4.60.0170.04016.48
5.4.50.0070.06716.26
5.4.40.0230.07016.43
5.4.30.0170.03716.53
5.4.20.0330.04016.22

preferences:
50.69 ms | 401 KiB | 5 Q