3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance = null; final private function __construct() {} final private function __clone() {} final private function __invoke() {} public static function getInstance() { if (!self::$instance) { self::$instance = new self; } return self::$instance; } } $oneInstance = Singleton::getInstance(); echo "Cloneable outside:", var_dump((new ReflectionClass('Singleton'))->isCloneable()); $cloner = function () { return clone $this; }; $secondInstance = $cloner->bindTo($oneInstance, 'Singleton')->__invoke(); var_dump($oneInstance, $secondInstance);

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)
8.3.40.0090.00618.72
8.3.30.0070.01020.34
8.3.20.0070.00020.16
8.3.10.0040.00422.04
8.3.00.0040.00422.24
8.2.170.0150.00322.96
8.2.160.0080.00520.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0100.01026.16
8.2.120.0040.00419.77
8.2.110.0040.00422.16
8.2.100.0000.01119.37
8.2.90.0040.00419.14
8.2.80.0000.00819.14
8.2.70.0040.00417.50
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0030.00518.14
8.2.30.0040.00417.97
8.2.20.0050.00217.79
8.2.10.0040.00417.77
8.2.00.0030.00517.70
8.1.270.0080.00024.66
8.1.260.0030.00626.35
8.1.250.0040.00728.09
8.1.240.0050.00523.88
8.1.230.0070.00419.15
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0050.00317.54
8.1.180.0030.00621.82
8.1.170.0050.00318.57
8.1.160.0030.00522.11
8.1.150.0050.00218.59
8.1.140.0040.00417.50
8.1.130.0000.00717.75
8.1.120.0050.00217.39
8.1.110.0040.00417.45
8.1.100.0090.00017.46
8.1.90.0070.00017.38
8.1.80.0000.00717.33
8.1.70.0030.00317.40
8.1.60.0030.00617.59
8.1.50.0040.00417.57
8.1.40.0050.00217.57
8.1.30.0040.00417.56
8.1.20.0030.00517.59
8.1.10.0040.00417.46
8.1.00.0040.00817.54
8.0.300.0040.00418.77
8.0.290.0040.00417.18
8.0.280.0040.00418.40
8.0.270.0070.00017.24
8.0.260.0070.00016.94
8.0.250.0000.00716.93
8.0.240.0040.00417.05
8.0.230.0040.00416.89
8.0.220.0040.00416.91
8.0.210.0030.00516.88
8.0.200.0030.00317.05
8.0.190.0040.00417.08
8.0.180.0000.00716.89
8.0.170.0040.00416.90
8.0.160.0000.00816.99
8.0.150.0000.00716.83
8.0.140.0070.00017.02
8.0.130.0060.00013.29
8.0.120.0000.00816.94
8.0.110.0030.00516.88
8.0.100.0040.00316.97
8.0.90.0000.00817.07
8.0.80.0170.00417.01
8.0.70.0000.00716.80
8.0.60.0070.00016.84
8.0.50.0000.00816.96
8.0.30.0080.01117.12
8.0.20.0160.00617.40
8.0.10.0000.00716.98
8.0.00.0070.01116.77
7.4.330.0050.00015.13
7.4.320.0030.00316.44
7.4.300.0000.00716.50
7.4.290.0040.00416.59
7.4.280.0070.00016.47
7.4.270.0080.00016.59
7.4.260.0040.00416.61
7.4.250.0020.00516.34
7.4.240.0010.00616.61
7.4.230.0000.00716.70
7.4.220.0110.00716.62
7.4.210.0070.00716.58
7.4.200.0070.00016.37
7.4.190.0000.00716.71
7.4.160.0030.01316.63
7.4.150.0140.00317.40
7.4.140.0180.00317.86
7.4.130.0080.01016.57
7.4.120.0140.00316.43
7.4.110.0050.01416.46
7.4.100.0130.00916.54
7.4.90.0120.00616.50
7.4.80.0030.01619.39
7.4.70.0030.01316.29
7.4.60.0100.00616.50
7.4.50.0030.00516.19
7.4.40.0080.00322.77
7.4.30.0040.01216.66
7.4.00.0030.01014.88
7.3.330.0000.00613.29
7.3.320.0000.00513.32
7.3.310.0070.00016.39
7.3.300.0040.00416.32
7.3.290.0120.00616.45
7.3.280.0100.00716.42
7.3.270.0090.00817.40
7.3.260.0170.00016.39
7.3.250.0090.01116.47
7.3.240.0170.00316.62
7.3.230.0130.00316.39
7.3.210.0030.01316.28
7.3.200.0070.01019.39
7.3.190.0030.01416.30
7.3.180.0110.00516.39
7.3.170.0070.01416.58
7.3.160.0110.00616.62
7.3.120.0080.00614.75
7.2.330.0090.00916.81
7.2.320.0090.00916.40
7.2.310.0120.01016.69
7.2.300.0140.00316.38
7.2.290.0100.00716.91
7.2.60.0080.00516.82
7.2.00.0060.00919.43
7.1.200.0060.00915.57
7.1.100.0120.00617.96
7.1.70.0050.00317.03
7.1.60.0040.01919.43
7.1.50.0100.01316.95
7.1.00.0100.02722.54
7.0.200.0000.00816.79
7.0.140.0100.06722.13
7.0.100.0230.08319.98
7.0.90.0470.08019.91
7.0.80.0070.06319.99
7.0.70.0030.07019.97
7.0.60.0070.08720.04
7.0.50.0130.07020.41
7.0.40.0100.07720.17
7.0.30.0130.08320.17
7.0.20.0070.04320.13
7.0.10.0030.05020.14
7.0.00.0030.04720.07
5.6.280.0070.07020.96
5.6.250.0070.07720.63
5.6.240.0000.06320.70
5.6.230.0130.07320.60
5.6.220.0130.07320.59
5.6.210.0070.05320.46
5.6.200.0200.05720.95
5.6.190.0100.07321.05
5.6.180.0100.08721.05
5.6.170.0070.05321.02
5.6.160.0070.05321.00
5.6.150.0070.04320.94
5.6.140.0070.03321.02
5.6.130.0000.04721.05
5.6.120.0070.03721.12
5.6.110.0070.03721.11
5.6.100.0100.03721.13
5.6.90.0070.04021.03
5.6.80.0030.04320.45
5.6.70.0000.03720.43
5.6.60.0100.07320.46
5.6.50.0070.03320.41
5.6.40.0070.03720.54
5.6.30.0170.03720.36
5.6.20.0070.03720.38
5.6.10.0030.04020.46
5.6.00.0000.04320.41
5.5.380.0200.07720.34
5.5.370.0100.08720.51
5.5.360.0000.09020.50
5.5.350.0030.08720.43
5.5.340.0130.09020.82
5.5.330.0070.09020.84
5.5.320.0100.06020.84
5.5.310.0030.06320.93
5.5.300.0030.04020.94
5.5.290.0070.04720.91
5.5.280.0070.04020.89
5.5.270.0070.04320.77
5.5.260.0000.04720.76
5.5.250.0030.04020.75
5.5.240.0030.04020.04
5.5.230.0070.03720.27
5.5.220.0100.03320.27
5.5.210.0030.04020.15
5.5.200.0070.03720.09
5.5.190.0000.04720.28
5.5.180.0100.06720.09
5.5.160.0030.04320.29
5.5.150.0070.03720.18
5.5.140.0100.03320.21
5.5.130.0030.03320.11
5.5.120.0030.04020.13
5.5.110.0100.03320.18
5.5.100.0000.04320.11
5.5.90.0030.04319.94
5.5.80.0030.03320.12
5.5.70.0000.04320.16
5.5.60.0000.04320.06
5.5.50.0130.03020.15
5.5.40.0100.03320.16
5.5.30.0170.06719.97
5.5.20.0070.08020.04
5.5.10.0070.04020.01
5.5.00.0070.07720.11
5.4.450.0070.03719.55
5.4.440.0030.04719.33
5.4.430.0030.04719.17
5.4.420.0030.04019.56
5.4.410.0070.03719.22
5.4.400.0070.03719.14
5.4.390.0000.04319.16
5.4.380.0070.03718.88
5.4.370.0000.04018.95
5.4.360.0000.03719.04
5.4.350.0030.03719.12
5.4.340.0170.02719.07
5.4.320.0000.04018.90
5.4.310.0070.03319.21
5.4.300.0000.03719.13
5.4.290.0100.03318.94
5.4.280.0070.03319.23
5.4.270.0000.04018.94
5.4.260.0000.04019.20
5.4.250.0030.03719.04
5.4.240.0000.04019.02
5.4.230.0100.05319.04
5.4.220.0070.03318.84
5.4.210.0100.03019.13
5.4.200.0000.04319.02
5.4.190.0070.03318.93
5.4.180.0000.08318.84
5.4.170.0070.07019.15
5.4.160.0070.08018.85
5.4.150.0170.06719.12
5.4.140.0100.07316.46
5.4.130.0130.07016.42
5.4.120.0130.04716.41
5.4.110.0130.07016.36
5.4.100.0130.07016.49
5.4.90.0070.05716.34
5.4.80.0100.04016.38
5.4.70.0000.06316.43
5.4.60.0030.04716.37
5.4.50.0030.07716.47
5.4.40.0000.05716.37
5.4.30.0070.06316.44
5.4.20.0070.07316.44
5.4.10.0000.06716.43
5.4.00.0070.06315.86
5.3.290.0000.04714.69
5.3.280.0070.03314.62
5.3.270.0100.07014.72
5.3.260.0030.05314.54
5.3.250.0070.07714.63
5.3.240.0070.07714.59
5.3.230.0000.07714.66
5.3.220.0030.06014.60
5.3.210.0070.07014.63
5.3.200.0070.05314.69
5.3.190.0130.03714.58
5.3.180.0100.07314.63
5.3.170.0070.06714.71
5.3.160.0070.07014.62
5.3.150.0070.04014.66
5.3.140.0100.06714.53
5.3.130.0030.08014.48
5.3.120.0070.07714.53
5.3.110.0070.08014.54
5.3.100.0030.08014.02
5.3.90.0030.07314.05
5.3.80.0030.04313.96
5.3.70.0000.08014.02
5.3.60.0070.04714.04
5.3.50.0100.07314.04
5.3.40.0070.07714.05
5.3.30.0030.06713.85
5.3.20.0130.05313.62
5.3.10.0130.06313.68
5.3.00.0070.05313.70
5.2.170.0100.05312.61
5.2.160.0000.06012.61
5.2.150.0070.03712.61
5.2.140.0130.02712.61
5.2.130.0030.04312.61
5.2.120.0070.05712.61
5.2.110.0070.06012.61
5.2.100.0070.05712.61
5.2.90.0130.05712.61
5.2.80.0070.06312.61
5.2.70.0070.06012.61
5.2.60.0030.04012.61
5.2.50.0030.06312.61
5.2.40.0030.06312.61
5.2.30.0070.06312.61
5.2.20.0030.04012.61
5.2.10.0030.06012.61
5.2.00.0030.06012.61
5.1.60.0030.05312.61
5.1.50.0030.05312.61
5.1.40.0070.05312.61
5.1.30.0030.06712.61
5.1.20.0030.04312.61
5.1.10.0030.05312.61
5.1.00.0000.06312.61
5.0.50.0030.04712.61
5.0.40.0030.04312.61
5.0.30.0070.06012.61
5.0.20.0000.04712.61
5.0.10.0030.04012.61
5.0.00.0030.05712.61
4.4.90.0070.03012.61
4.4.80.0130.02312.61
4.4.70.0030.02012.61
4.4.60.0000.02312.61
4.4.50.0070.02012.61
4.4.40.0030.04712.61
4.4.30.0070.03312.61
4.4.20.0000.03712.61
4.4.10.0000.04012.61
4.4.00.0070.04012.61
4.3.110.0000.03012.61
4.3.100.0030.03012.61
4.3.90.0000.03712.61
4.3.80.0070.02712.61
4.3.70.0030.03312.61
4.3.60.0030.02012.61
4.3.50.0030.02712.61
4.3.40.0030.05012.61
4.3.30.0000.03012.61
4.3.20.0000.03012.61
4.3.10.0000.03012.61
4.3.00.0030.03012.61

preferences:
48.68 ms | 400 KiB | 5 Q