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)) { $className = get_class($this); 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)
8.3.70.0070.01018.43
8.3.60.0140.00718.68
8.3.50.0090.01121.05
8.3.40.0120.00319.02
8.3.30.0110.00318.57
8.3.20.0040.00420.34
8.3.10.0070.00023.65
8.3.00.0030.00522.52
8.2.180.0090.00916.63
8.2.170.0070.01022.96
8.2.160.0100.00720.39
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0090.00017.63
8.2.110.0090.00022.05
8.2.100.0090.00317.72
8.2.90.0080.00019.21
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0000.00820.98
8.2.30.0030.00619.83
8.2.20.0070.00017.61
8.2.10.0040.00418.04
8.2.00.0040.00418.05
8.1.280.0100.00725.92
8.1.270.0000.00820.32
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00324.02
8.1.230.0080.00417.42
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0030.00617.23
8.1.180.0080.00018.10
8.1.170.0060.00318.70
8.1.160.0000.00722.00
8.1.150.0040.00418.82
8.1.140.0080.00017.42
8.1.130.0000.00717.63
8.1.120.0030.00317.39
8.1.110.0040.00417.29
8.1.100.0040.00417.38
8.1.90.0000.00817.25
8.1.80.0040.00417.38
8.1.70.0030.00317.26
8.1.60.0020.00517.53
8.1.50.0000.00817.44
8.1.40.0030.00517.34
8.1.30.0000.00917.53
8.1.20.0030.00517.59
8.1.10.0050.00317.53
8.1.00.0040.00417.47
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0000.00818.44
8.0.270.0000.00817.12
8.0.260.0030.00317.24
8.0.250.0000.00716.90
8.0.240.0030.00316.89
8.0.230.0000.00716.97
8.0.220.0070.00016.88
8.0.210.0040.00416.91
8.0.200.0000.00616.94
8.0.190.0050.00316.88
8.0.180.0030.00516.96
8.0.170.0030.00516.93
8.0.160.0000.00717.05
8.0.150.0040.00416.87
8.0.140.0040.00416.88
8.0.130.0040.00413.37
8.0.120.0080.00016.82
8.0.110.0050.00216.93
8.0.100.0040.00316.74
8.0.90.0000.00816.90
8.0.80.0080.00616.96
8.0.70.0070.00016.96
8.0.60.0000.00716.86
8.0.50.0070.00017.06
8.0.30.0100.01017.15
8.0.20.0210.01817.40
8.0.10.0070.00017.12
8.0.00.0030.01616.81
7.4.330.0000.00515.10
7.4.320.0000.00716.45
7.4.300.0000.00716.32
7.4.290.0030.00316.41
7.4.280.0040.00416.54
7.4.270.0060.00016.43
7.4.260.0040.00416.51
7.4.250.0030.00616.48
7.4.240.0050.00216.45
7.4.230.0040.00416.62
7.4.220.0040.01416.52
7.4.210.0040.01016.39
7.4.200.0070.00016.25
7.4.160.0060.00916.38
7.4.150.0100.00717.40
7.4.140.0120.01017.86
7.4.130.0120.00816.52
7.4.120.0110.00916.49
7.4.110.0030.01416.63
7.4.100.0140.01016.60
7.4.90.0070.01016.51
7.4.80.0000.01919.39
7.4.70.0030.01316.56
7.4.60.0060.00916.62
7.4.50.0050.00316.39
7.4.40.0090.01316.53
7.4.30.0120.00616.43
7.4.00.0060.00915.08
7.3.330.0060.00613.35
7.3.320.0030.00313.35
7.3.310.0070.00016.26
7.3.300.0000.00716.38
7.3.290.0080.00716.34
7.3.280.0120.00816.41
7.3.270.0180.00617.40
7.3.260.0070.01016.66
7.3.250.0080.01116.50
7.3.240.0100.00716.54
7.3.230.0060.01216.63
7.3.210.0030.01316.28
7.3.200.0060.01319.39
7.3.190.0140.00316.54
7.3.180.0090.00616.31
7.3.170.0120.01016.30
7.3.160.0050.01116.56
7.2.330.0090.00916.77
7.2.320.0030.01416.60
7.2.310.0150.00916.50
7.2.300.0090.01216.39
7.2.290.0130.00316.76
7.2.60.0070.00716.67
7.2.00.0000.01319.33
7.1.200.0040.00415.88
7.1.100.0160.00518.16
7.1.70.0000.00717.12
7.1.60.0130.01320.03
7.1.50.0080.01616.91
7.1.00.0100.08322.45
7.0.200.0000.00816.96
7.0.60.0130.08019.88
7.0.50.0030.08317.95
7.0.40.0130.05320.25
7.0.30.0230.04720.19
7.0.20.0170.06320.05
7.0.10.0170.08320.10
7.0.00.0030.05020.25
5.6.280.0030.03320.93
5.6.210.0030.09020.75
5.6.200.0100.04018.28
5.6.190.0030.09020.46
5.6.180.0400.03720.50
5.6.170.0130.04320.51
5.6.160.0130.08020.55
5.6.150.0070.07318.16
5.6.140.0030.04318.27
5.6.130.0100.08318.19
5.6.120.0000.04720.98
5.6.110.0130.08021.02
5.6.100.0000.04321.01
5.6.90.0070.08721.01
5.6.80.0070.07320.42
5.6.70.0300.03720.36
5.5.350.0130.07020.42
5.5.340.0070.03317.96
5.5.330.0130.04720.43
5.5.320.0170.05720.34
5.5.310.0100.04320.34
5.5.300.0070.04717.96
5.5.290.0130.07318.08
5.5.280.0070.05320.69
5.5.270.0130.07720.96
5.5.260.0130.06020.77
5.5.250.0030.07320.55
5.5.240.0000.04020.27
5.4.450.0730.06719.70
5.4.440.0800.05719.30
5.4.430.0670.06019.60
5.4.420.0900.04319.20
5.4.410.0800.05719.26
5.4.400.0700.05719.27
5.4.390.0830.05719.15
5.4.380.0830.05718.80
5.4.370.0930.04719.14
5.4.360.0800.06019.28
5.4.350.0900.06319.01
5.4.340.0870.05319.29
5.4.320.0900.05019.16
5.4.310.0930.05019.14
5.4.300.0930.06019.05
5.4.290.0870.05319.21
5.4.280.0830.06718.89
5.4.270.0900.05018.84
5.4.260.1000.05019.25
5.4.250.1070.06319.12
5.4.240.0830.05719.14
5.4.230.0830.05719.30
5.4.220.0800.06318.86
5.4.210.0900.05019.14
5.4.200.0930.04016.87
5.4.190.0930.05018.97
5.4.180.0630.06019.22
5.4.170.0700.06018.96
5.4.160.0870.04319.00
5.4.150.0930.04718.95
5.4.140.0700.06316.45
5.4.130.0870.04716.55
5.4.120.0770.06316.59
5.4.110.0970.04316.43
5.4.100.0700.05716.56
5.4.90.0570.06716.75
5.4.80.0100.05716.57
5.4.70.0600.07316.50
5.4.60.0000.04016.52
5.4.50.0000.05016.38
5.4.40.0000.06016.26
5.4.30.0300.06316.33
5.4.20.0330.05016.55

preferences:
52.63 ms | 401 KiB | 5 Q