3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance = null; final private function __construct() {} final private function __clone() {} final private function __sleep() {} public static function getInstance() { if (!self::$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)
8.3.60.0070.01118.56
8.3.50.0150.00822.17
8.3.40.0150.00618.93
8.3.30.0100.00320.34
8.3.20.0030.00520.29
8.3.10.0040.00422.15
8.3.00.0040.00422.44
8.2.180.0120.00318.30
8.2.170.0040.01122.96
8.2.160.0070.01020.47
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0080.00020.63
8.2.110.0090.00022.19
8.2.100.0040.00819.34
8.2.90.0040.00419.29
8.2.80.0040.00419.39
8.2.70.0000.00817.63
8.2.60.0040.00418.03
8.2.50.0080.00018.07
8.2.40.0040.00418.34
8.2.30.0000.00718.01
8.2.20.0030.00617.71
8.2.10.0050.00317.70
8.2.00.0030.00517.75
8.1.280.0070.01025.92
8.1.270.0000.00723.99
8.1.260.0060.00626.35
8.1.250.0040.00428.09
8.1.240.0090.00023.88
8.1.230.0040.00719.01
8.1.220.0040.00417.75
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0050.00317.55
8.1.180.0000.00720.25
8.1.170.0040.00418.58
8.1.160.0040.00422.08
8.1.150.0040.00418.60
8.1.140.0050.00317.53
8.1.130.0030.00317.89
8.1.120.0030.00317.45
8.1.110.0040.00417.37
8.1.100.0040.00417.38
8.1.90.0000.00817.48
8.1.80.0000.00817.38
8.1.70.0000.00717.42
8.1.60.0090.00017.62
8.1.50.0030.00617.55
8.1.40.0040.00417.55
8.1.30.0040.00417.64
8.1.20.0000.00817.71
8.1.10.0000.00817.62
8.1.00.0030.00717.46
8.0.300.0050.00318.77
8.0.290.0000.00817.03
8.0.280.0000.00718.47
8.0.270.0030.00317.18
8.0.260.0030.00316.80
8.0.250.0030.00317.05
8.0.240.0040.00416.93
8.0.230.0050.00216.92
8.0.220.0020.00516.82
8.0.210.0070.00016.90
8.0.200.0030.00317.01
8.0.190.0040.00416.97
8.0.180.0040.00716.99
8.0.170.0090.00016.89
8.0.160.0030.00517.03
8.0.150.0080.00016.91
8.0.140.0000.00716.95
8.0.130.0000.00513.46
8.0.120.0040.00416.82
8.0.110.0000.00816.93
8.0.100.0040.00416.97
8.0.90.0000.00716.77
8.0.80.0060.01017.04
8.0.70.0000.00816.84
8.0.60.0080.00016.79
8.0.50.0080.00016.80
8.0.30.0160.00316.99
8.0.20.0070.01517.40
8.0.10.0040.00417.13
8.0.00.0130.00816.94
7.4.330.0030.00315.00
7.4.320.0030.00316.57
7.4.300.0030.00716.62
7.4.290.0040.00416.63
7.4.280.0060.00016.51
7.4.270.0070.00016.41
7.4.260.0000.00716.60
7.4.250.0040.00416.51
7.4.240.0010.00616.65
7.4.230.0000.00716.63
7.4.220.0070.01116.47
7.4.210.0080.00816.58
7.4.200.0030.00316.59
7.4.190.0000.00716.58
7.4.160.0070.01016.58
7.4.150.0130.00517.40
7.4.140.0080.00917.86
7.4.130.0020.01616.44
7.4.120.0120.00516.42
7.4.110.0140.00316.54
7.4.100.0200.00316.54
7.4.90.0030.01516.40
7.4.80.0120.00919.39
7.4.70.0060.01016.50
7.4.60.0100.00716.51
7.4.50.0040.00416.48
7.4.40.0070.01122.77
7.4.30.0100.00716.54
7.4.00.0100.00714.84
7.3.330.0060.00013.26
7.3.320.0050.00013.24
7.3.310.0070.00016.12
7.3.300.0040.00416.20
7.3.290.0090.00916.25
7.3.280.0130.00516.27
7.3.270.0090.00917.40
7.3.260.0070.01116.27
7.3.250.0110.00816.50
7.3.240.0110.00616.51
7.3.230.0130.00316.60
7.3.210.0060.01116.22
7.3.200.0100.00619.39
7.3.190.0040.01516.21
7.3.180.0090.00616.21
7.3.170.0060.01516.51
7.3.160.0130.00316.18
7.3.120.0040.01414.95
7.2.330.0190.00416.91
7.2.320.0120.00616.86
7.2.310.0030.02016.80
7.2.300.0100.00716.81
7.2.290.0040.01116.77
7.2.00.0070.01019.29
7.1.100.0070.01118.09
7.1.70.0070.00317.28
7.1.60.0100.01419.43
7.1.50.0070.01117.05
7.1.00.0030.03322.41
7.0.200.0070.00016.95
7.0.140.0030.07322.08
7.0.100.0000.03719.94
7.0.90.0170.02719.94
7.0.80.0030.03319.97
7.0.70.0100.03319.99
7.0.60.0100.04020.04
7.0.50.0000.04320.36
7.0.40.0070.03019.93
7.0.30.0070.03320.05
7.0.20.0070.04320.15
7.0.10.0070.04020.00
7.0.00.0000.07020.03
5.6.280.0000.07720.91
5.6.250.0100.03020.50
5.6.240.0070.03720.66
5.6.230.0030.04320.60
5.6.220.0000.04320.56
5.6.210.0030.04020.76
5.6.200.0070.04020.96
5.6.190.0000.04721.09
5.6.180.0030.03321.03
5.6.170.0070.05321.07
5.6.160.0070.04021.03
5.6.150.0030.04021.03
5.6.140.0070.06721.06
5.6.130.0030.04321.08
5.6.120.0000.04721.04
5.6.110.0000.04321.07
5.6.100.0000.04721.16
5.6.90.0130.04321.01
5.6.80.0070.03720.41
5.6.70.0130.07320.30
5.6.60.0100.04320.33
5.6.50.0100.06720.33
5.6.40.0100.08020.40
5.6.30.0130.07020.41
5.6.20.0130.04720.53
5.6.10.0130.07020.39
5.6.00.0070.07020.39
5.5.380.0000.03720.45
5.5.370.0130.03320.36
5.5.360.0100.04720.45
5.5.350.0030.03320.47
5.5.340.0100.03720.80
5.5.330.0070.07720.65
5.5.320.0030.04720.75
5.5.310.0100.03720.93
5.5.300.0070.03720.79
5.5.290.0070.04020.89
5.5.280.0100.03720.83
5.5.270.0070.04320.80
5.5.260.0070.04020.83
5.5.250.0030.04020.68
5.5.240.0000.05720.17
5.5.230.0070.09320.22
5.5.220.0070.06020.27
5.5.210.0100.07020.14
5.5.200.0130.06720.29
5.5.190.0000.07320.16
5.5.180.0130.06720.25
5.5.160.0100.08020.29
5.5.150.0130.07720.29
5.5.140.0070.03720.21
5.5.130.0170.07320.10
5.5.120.0100.07720.07
5.5.110.0070.06320.26
5.5.100.0030.07020.17
5.5.90.0130.04020.18
5.5.80.0000.05320.05
5.5.70.0030.08019.93
5.5.60.0130.07020.16
5.5.50.0070.06720.04
5.5.40.0100.07319.97
5.5.30.0070.08320.07
5.5.20.0100.08020.06
5.5.10.0030.04319.92
5.5.00.0070.07719.95
5.4.450.0030.03319.45
5.4.440.0070.03719.49
5.4.430.0030.04019.45
5.4.420.0070.03319.37
5.4.410.0100.03319.42
5.4.400.0100.06019.04
5.4.390.0030.07718.95
5.4.380.0070.06719.20
5.4.370.0130.06319.06
5.4.360.0070.06719.20
5.4.350.0100.07718.95
5.4.340.0070.04319.18
5.4.320.0030.08019.16
5.4.310.0070.07719.03
5.4.300.0070.06319.17
5.4.290.0030.04719.20
5.4.280.0070.06318.88
5.4.270.0070.03719.12
5.4.260.0070.04019.12
5.4.250.0100.07319.04
5.4.240.0070.04319.20
5.4.230.0100.05718.84
5.4.220.0100.06718.94
5.4.210.0000.05019.12
5.4.200.0070.07718.94
5.4.190.0070.07719.02
5.4.180.0070.07719.11
5.4.170.0000.05018.89
5.4.160.0000.08719.10
5.4.150.0070.07319.19
5.4.140.0070.07716.18
5.4.130.0200.05016.45
5.4.120.0000.08016.45
5.4.110.0030.04316.47
5.4.100.0070.05016.45
5.4.90.0100.07016.50
5.4.80.0100.06716.31
5.4.70.0000.08316.50
5.4.60.0000.06316.41
5.4.50.0130.06716.32
5.4.40.0030.07716.42
5.4.30.0030.05716.45
5.4.20.0070.05016.46
5.4.10.0130.05316.33
5.4.00.0100.04315.79
5.3.290.0100.06314.81
5.3.280.0070.04714.63
5.3.270.0070.06314.75
5.3.260.0030.07014.55
5.3.250.0030.08014.59
5.3.240.0030.06314.67
5.3.230.0070.06314.62
5.3.220.0030.08314.68
5.3.210.0130.07014.55
5.3.200.0070.05014.66
5.3.190.0170.06314.64
5.3.180.0100.07314.71
5.3.170.0100.07014.58
5.3.160.0030.04314.71
5.3.150.0030.06314.50
5.3.140.0070.06314.49
5.3.130.0100.03314.53
5.3.120.0130.07014.55
5.3.110.0000.07714.52
5.3.100.0070.07014.16
5.3.90.0030.08314.02
5.3.80.0130.06714.17
5.3.70.0100.06013.93
5.3.60.0070.06713.94
5.3.50.0100.04313.96
5.3.40.0100.05313.93
5.3.30.0030.07313.99
5.3.20.0030.07713.77
5.3.10.0070.07313.68
5.3.00.0030.07013.76
5.2.170.0000.05711.01
5.2.160.0030.05311.13
5.2.150.0070.04011.17
5.2.140.0100.05711.20
5.2.130.0030.06311.09
5.2.120.0070.06011.20
5.2.110.0100.05311.13
5.2.100.0070.06011.16
5.2.90.0070.05711.09
5.2.80.0030.06710.96
5.2.70.0100.05711.13
5.2.60.0100.06011.08
5.2.50.0100.04711.09
5.2.40.0030.06011.05
5.2.30.0030.06710.86
5.2.20.0070.06310.95
5.2.10.0070.04010.77
5.2.00.0000.06310.84
5.1.60.0100.0339.88
5.1.50.0000.05710.07
5.1.40.0100.05010.04
5.1.30.0070.05710.37
5.1.20.0030.05710.22
5.1.10.0170.04010.18
5.1.00.0100.05310.15
5.0.50.0070.0408.79
5.0.40.0070.0408.79
5.0.30.0070.0578.79
5.0.20.0070.0408.79
5.0.10.0030.0438.79
5.0.00.0100.0378.79
4.4.90.0000.0378.79
4.4.80.0030.0208.79
4.4.70.0070.0238.79
4.4.60.0000.0378.79
4.4.50.0030.0338.79
4.4.40.0030.0338.79
4.4.30.0030.0178.79
4.4.20.0030.0378.79
4.4.10.0000.0378.79
4.4.00.0000.0508.79
4.3.110.0000.0378.79
4.3.100.0030.0208.79
4.3.90.0000.0378.79
4.3.80.0000.0308.79
4.3.70.0000.0378.79
4.3.60.0070.0308.79
4.3.50.0000.0278.79
4.3.40.0000.0508.79
4.3.30.0030.0338.79
4.3.20.0000.0378.79
4.3.10.0100.0308.79
4.3.00.0070.0308.79

preferences:
40 ms | 401 KiB | 5 Q