3v4l.org

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

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)
8.3.60.0120.00918.55
8.3.50.0070.01621.14
8.3.40.0110.00418.73
8.3.30.0140.00018.89
8.3.20.0050.00320.30
8.3.10.0080.00023.53
8.3.00.0040.00422.43
8.2.180.0090.00616.63
8.2.170.0170.00022.96
8.2.160.0070.01020.57
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00417.38
8.2.110.0000.00920.47
8.2.100.0060.00617.63
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00921.25
8.2.30.0040.00419.79
8.2.20.0030.00517.78
8.2.10.0040.00417.97
8.2.00.0000.00718.05
8.1.280.0000.01425.92
8.1.270.0060.00320.38
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00320.90
8.1.230.0110.00017.42
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0030.00517.25
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0020.00522.01
8.1.150.0040.00418.88
8.1.140.0040.00417.36
8.1.130.0070.00017.70
8.1.120.0040.00417.47
8.1.110.0080.00017.35
8.1.100.0050.00317.45
8.1.90.0040.00417.31
8.1.80.0080.00017.33
8.1.70.0000.00717.48
8.1.60.0060.00317.47
8.1.50.0080.00017.46
8.1.40.0040.00417.51
8.1.30.0000.00817.63
8.1.20.0040.00417.62
8.1.10.0000.00917.57
8.1.00.0080.00017.36
8.0.300.0000.00818.77
8.0.290.0040.00416.88
8.0.280.0000.00718.51
8.0.270.0040.00417.15
8.0.260.0030.00317.25
8.0.250.0040.00417.05
8.0.240.0000.00717.03
8.0.230.0000.00716.92
8.0.220.0000.00716.96
8.0.210.0060.00316.87
8.0.200.0000.00617.05
8.0.190.0000.00816.91
8.0.180.0070.00017.03
8.0.170.0080.00016.97
8.0.160.0040.00416.91
8.0.150.0030.00316.99
8.0.140.0080.00016.90
8.0.130.0070.00013.33
8.0.120.0080.00016.81
8.0.110.0000.00716.88
8.0.100.0040.00416.82
8.0.90.0050.00216.86
8.0.80.0060.01016.88
8.0.70.0000.00716.82
8.0.60.0000.00716.82
8.0.50.0070.00017.01
8.0.30.0060.01417.04
8.0.20.0150.01917.40
8.0.10.0070.00017.02
8.0.00.0110.00616.83
7.4.330.0000.00515.16
7.4.320.0030.00316.49
7.4.300.0000.00716.58
7.4.290.0040.00416.56
7.4.280.0040.00416.45
7.4.270.0040.00416.47
7.4.260.0000.00716.57
7.4.250.0030.00516.57
7.4.240.0020.00516.52
7.4.230.0040.00416.46
7.4.220.0070.01116.54
7.4.210.0060.01116.59
7.4.200.0070.00016.43
7.4.160.0090.00616.40
7.4.150.0140.00317.40
7.4.140.0180.00517.86
7.4.130.0070.01016.57
7.4.120.0070.01216.51
7.4.110.0040.01416.60
7.4.100.0140.01116.49
7.4.90.0060.01716.50
7.4.80.0160.00419.39
7.4.70.0120.00716.46
7.4.60.0110.00716.44
7.4.50.0000.00816.63
7.4.40.0070.01016.60
7.4.30.0150.00316.56
7.4.00.0110.00315.18
7.3.330.0070.00713.41
7.3.320.0040.00413.29
7.3.310.0030.00516.25
7.3.300.0000.00716.45
7.3.290.0070.00916.40
7.3.280.0140.00316.43
7.3.270.0060.01217.40
7.3.260.0100.00716.41
7.3.250.0100.01116.45
7.3.240.0100.00616.36
7.3.230.0060.01116.61
7.3.210.0070.01016.41
7.3.200.0080.00819.39
7.3.190.0120.00916.57
7.3.180.0160.00016.41
7.3.170.0030.01716.59
7.3.160.0030.01316.45
7.3.10.0040.01116.50
7.3.00.0100.00716.49
7.2.330.0120.01216.56
7.2.320.0100.01316.78
7.2.310.0080.00816.51
7.2.300.0090.00916.68
7.2.290.0070.01116.72
7.2.130.0060.00916.87
7.2.120.0090.00616.88
7.2.110.0000.01716.68
7.2.100.0090.00316.81
7.2.90.0060.00916.78
7.2.80.0040.01116.83
7.2.70.0000.01216.95
7.2.60.0020.01416.86
7.2.50.0070.01016.75
7.2.40.0090.00616.89
7.2.30.0060.00917.04
7.2.20.0040.01216.80
7.2.10.0030.01416.98
7.2.00.0040.01018.24
7.1.250.0040.00415.87
7.1.200.0330.01015.02
7.1.100.0130.00618.00
7.1.70.0000.01317.22
7.1.60.0100.01420.03
7.1.50.0040.00817.08
7.1.00.0030.07722.46
7.0.200.0000.00916.82
7.0.60.0030.05019.79
7.0.50.0130.08017.86
7.0.40.0070.04320.27
7.0.30.0230.04020.03
7.0.20.0230.09020.23
7.0.10.0170.05020.06
7.0.00.0130.08320.24
5.6.210.0100.07720.70
5.6.200.0130.04718.20
5.6.190.0070.04320.57
5.6.180.0170.04320.34
5.6.170.0170.04320.61
5.6.160.0130.06020.48
5.6.150.0070.07318.15
5.6.140.0200.06718.17
5.6.130.0100.04318.27
5.6.120.0100.08721.13
5.6.110.0130.07721.09
5.6.100.0070.03721.11
5.6.90.0000.06320.97
5.6.80.0070.04020.54
5.6.70.0300.03020.38
5.5.350.0070.07720.41
5.5.340.0070.03718.05
5.5.330.0030.09020.19
5.5.320.0300.04720.35
5.5.310.0230.03720.21
5.5.300.0070.08317.94
5.5.290.0130.04317.98
5.5.280.0100.08020.74
5.5.270.0070.07320.76
5.5.260.0100.06020.73
5.5.250.0100.07720.46
5.5.240.0070.03720.26
5.4.450.0870.05719.20
5.4.440.0870.05319.35
5.4.430.0800.05719.33
5.4.420.0730.06019.47
5.4.410.0830.06019.34
5.4.400.0770.05019.31
5.4.390.0800.07719.30
5.4.380.0830.05318.98
5.4.370.0730.05019.15
5.4.360.0730.05019.26
5.4.350.0870.05719.15
5.4.340.0830.06019.08
5.4.320.1100.06319.29
5.4.310.0930.04319.14
5.4.300.0930.05319.28
5.4.290.0770.05318.83
5.4.280.0870.05018.83
5.4.270.0800.04719.15
5.4.260.1030.06018.98
5.4.250.0670.06018.86
5.4.240.0870.05019.23
5.4.230.0930.05019.12
5.4.220.0900.05019.12
5.4.210.0800.05718.96
5.4.200.0830.05016.92
5.4.190.0970.04019.13
5.4.180.0830.05319.00
5.4.170.0870.05019.29
5.4.160.0870.05019.06
5.4.150.0870.06018.95
5.4.140.0770.05716.55
5.4.130.0770.05716.48
5.4.120.0830.05016.48
5.4.110.0830.04716.48
5.4.100.0870.05016.55
5.4.90.1100.05316.48
5.4.80.0870.05016.52
5.4.70.0930.04316.28
5.4.60.0030.03016.26
5.4.50.0030.07016.48
5.4.40.0030.04016.53
5.4.30.0300.05016.50
5.4.20.0300.06716.25

preferences:
55.8 ms | 401 KiB | 5 Q