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)) { static::$instanses = new static; } return static::$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)
8.3.60.0090.00618.18
8.3.50.0100.01021.18
8.3.40.0060.00918.71
8.3.30.0110.00318.55
8.3.20.0040.00420.29
8.3.10.0050.00323.65
8.3.00.0080.00022.37
8.2.180.0070.01116.32
8.2.170.0140.00322.96
8.2.160.0030.01020.15
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0000.01017.75
8.2.110.0060.00322.13
8.2.100.0000.01117.63
8.2.90.0000.00819.00
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0050.00317.93
8.2.50.0000.00918.07
8.2.40.0040.00421.19
8.2.30.0040.00419.89
8.2.20.0040.00417.73
8.2.10.0040.00418.05
8.2.00.0070.00017.91
8.1.280.0160.00325.92
8.1.270.0030.00620.32
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0090.00023.92
8.1.230.0080.00317.42
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0000.01017.23
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0000.00818.65
8.1.160.0070.00021.89
8.1.150.0000.00718.79
8.1.140.0000.00917.33
8.1.130.0000.00717.68
8.1.120.0000.00717.48
8.1.110.0000.00717.46
8.1.100.0000.00717.35
8.1.90.0000.00717.42
8.1.80.0040.00417.48
8.1.70.0070.00017.52
8.1.60.0040.00417.59
8.1.50.0040.00417.55
8.1.40.0040.00417.41
8.1.30.0000.00817.62
8.1.20.0060.00317.63
8.1.10.0070.00017.52
8.1.00.0050.00317.49
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00318.36
8.0.270.0000.00717.33
8.0.260.0060.00017.26
8.0.250.0070.00016.88
8.0.240.0040.00416.84
8.0.230.0030.00316.84
8.0.220.0040.00416.80
8.0.210.0030.00316.86
8.0.200.0000.00716.94
8.0.190.0000.00816.95
8.0.180.0030.00516.98
8.0.170.0040.00416.92
8.0.160.0070.00016.91
8.0.150.0000.00816.84
8.0.140.0000.00716.75
8.0.130.0030.00613.38
8.0.120.0030.00516.91
8.0.110.0000.00716.89
8.0.100.0040.00416.80
8.0.90.0040.00416.75
8.0.80.0120.00616.94
8.0.70.0000.00716.93
8.0.60.0050.00316.93
8.0.50.0070.00016.77
8.0.30.0030.01317.03
8.0.20.0130.00517.40
8.0.10.0080.00016.91
8.0.00.0110.00716.81
7.4.330.0030.00315.08
7.4.320.0030.00316.52
7.4.300.0000.00716.46
7.4.290.0070.00016.55
7.4.280.0040.00416.50
7.4.270.0040.00416.50
7.4.260.0070.00016.50
7.4.250.0040.00416.52
7.4.240.0040.00316.41
7.4.230.0030.00316.59
7.4.220.0060.01216.70
7.4.210.0040.01116.54
7.4.200.0000.00716.48
7.4.150.0120.00617.40
7.4.140.0100.00717.86
7.4.130.0070.01316.49
7.4.120.0050.01516.56
7.4.110.0100.00716.56
7.4.100.0130.00716.38
7.4.90.0080.00816.47
7.4.80.0140.00919.39
7.4.70.0060.01216.39
7.4.60.0060.01016.58
7.4.50.0040.00016.43
7.4.40.0070.01116.61
7.4.30.0160.00716.51
7.4.00.0110.00715.06
7.3.330.0080.00013.32
7.3.320.0060.00013.18
7.3.310.0000.00716.30
7.3.300.0040.00416.32
7.3.290.0080.00616.30
7.3.280.0070.01016.31
7.3.270.0130.00617.40
7.3.260.0110.00916.32
7.3.250.0070.01316.41
7.3.240.0100.00716.48
7.3.230.0130.00716.39
7.3.210.0060.01016.18
7.3.200.0120.00919.39
7.3.190.0030.01316.21
7.3.180.0120.00316.30
7.3.170.0120.00916.27
7.3.160.0090.01216.40
7.3.120.0070.00914.67
7.3.110.0080.00914.88
7.3.100.0040.00814.84
7.3.90.0080.00814.83
7.3.80.0060.00514.60
7.3.70.0060.00614.77
7.3.60.0020.01014.61
7.3.50.0080.00614.72
7.3.40.0060.00814.69
7.3.30.0070.00714.69
7.3.20.0040.01016.74
7.3.10.0070.00716.59
7.3.00.0030.00816.54
7.2.330.0130.01016.73
7.2.320.0130.00316.42
7.2.310.0080.00816.41
7.2.300.0150.00316.75
7.2.290.0160.00016.44
7.2.250.0100.00715.02
7.2.240.0040.01515.16
7.2.230.0060.01115.00
7.2.220.0030.01114.88
7.2.210.0080.00714.73
7.2.200.0070.00715.01
7.2.190.0110.00515.00
7.2.180.0070.00915.03
7.2.170.0070.00715.00
7.2.60.0070.00716.77
7.2.00.0220.00019.22
7.1.330.0080.00615.67
7.1.320.0080.00215.62
7.1.310.0060.00815.77
7.1.300.0070.00715.59
7.1.290.0030.01215.76
7.1.280.0020.01015.65
7.1.270.0070.00815.78
7.1.260.0060.00715.62
7.1.200.0060.00615.56
7.1.100.0000.01518.21
7.1.70.0040.00417.31
7.1.60.0030.01217.31
7.1.50.0070.01416.98
7.1.00.0070.07322.30
7.0.200.0090.00616.88
7.0.60.0070.08019.88
7.0.50.0170.07717.96
7.0.40.0030.04720.20
7.0.30.0400.04320.25
7.0.20.0300.07720.06
7.0.10.0000.07720.33
7.0.00.0130.08020.07
5.6.280.0000.04720.90
5.6.210.0100.07720.70
5.6.200.0000.04718.21
5.6.190.0070.04320.55
5.6.180.0230.07320.62
5.6.170.0370.05020.54
5.6.160.0100.08020.55
5.6.150.0030.04718.21
5.6.140.0130.07318.28
5.6.130.0130.08318.14
5.6.120.0070.04321.00
5.6.110.0030.08721.12
5.6.100.0030.04021.05
5.6.90.0170.08721.10
5.6.80.0070.07020.44
5.6.70.4630.04020.39
5.5.350.0200.07320.50
5.5.340.0030.08718.02
5.5.330.0100.07320.19
5.5.320.0230.03720.52
5.5.310.0300.03320.41
5.5.300.0070.07317.98
5.5.290.0100.07317.96
5.5.280.0100.08020.80
5.5.270.0100.04720.79
5.5.260.0070.08320.77
5.5.250.0200.07320.59
5.5.240.0370.06320.28
5.4.450.0770.06019.47
5.4.440.0870.06019.48
5.4.430.0830.04319.44
5.4.420.0570.05719.19
5.4.410.0100.05319.04
5.4.400.0500.05319.38
5.4.390.0900.05319.38
5.4.380.0800.04718.98
5.4.370.0930.05018.84
5.4.360.0830.05719.29
5.4.350.0800.06019.26
5.4.340.1030.07018.88
5.4.320.0970.05319.00
5.4.310.0770.06019.24
5.4.300.0830.04318.84
5.4.290.0900.05318.97
5.4.280.0770.07319.14
5.4.270.1030.05719.15
5.4.260.0700.07018.97
5.4.250.0970.06018.85
5.4.240.1030.05018.87
5.4.230.0830.06719.05
5.4.220.0870.08018.99
5.4.210.0830.05718.91
5.4.200.0830.05316.77
5.4.190.0700.06719.22
5.4.180.0700.06319.00
5.4.170.0800.06719.00
5.4.160.1000.04719.31
5.4.150.1030.04318.97
5.4.140.0630.07016.38
5.4.130.1070.04016.48
5.4.120.1070.06716.58
5.4.110.0970.05316.46
5.4.100.1070.04716.47
5.4.90.1000.07316.34
5.4.80.0730.06716.73
5.4.70.1030.05716.50
5.4.60.0030.03716.23
5.4.50.0070.04716.43
5.4.40.0200.03716.43
5.4.30.0370.05316.52
5.4.20.0270.04016.53

preferences:
49.22 ms | 401 KiB | 5 Q