3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance = null; final private function __construct() {} final private function __clone() {die('dfgdfgfd');} public static function getInstance() { if (!self::$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)
8.3.60.0040.01118.40
8.3.50.0150.00621.21
8.3.40.0110.00318.82
8.3.30.0150.00020.29
8.3.20.0000.00820.29
8.3.10.0080.00022.00
8.3.00.0000.00822.50
8.2.180.0110.01116.63
8.2.170.0160.00322.96
8.2.160.0130.00622.02
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00720.81
8.2.110.0180.00419.27
8.2.100.0080.00417.91
8.2.90.0060.00319.17
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0070.00617.80
8.2.50.0000.00818.07
8.2.40.0040.00418.15
8.2.30.0040.00419.34
8.2.20.0040.00417.61
8.2.10.0040.00417.73
8.2.00.0060.00317.82
8.1.280.0120.00925.92
8.1.270.0000.00823.99
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0060.00323.95
8.1.230.0040.00821.04
8.1.220.0030.00618.77
8.1.210.0050.00320.87
8.1.200.0030.00617.35
8.1.190.0040.00417.52
8.1.180.0000.00818.10
8.1.170.0040.00418.48
8.1.160.0020.00518.78
8.1.150.0060.00318.61
8.1.140.0040.00417.38
8.1.130.0030.00317.88
8.1.120.0040.00417.38
8.1.110.0030.00417.30
8.1.100.0040.00417.51
8.1.90.0000.00817.46
8.1.80.0030.00317.38
8.1.70.0000.00717.35
8.1.60.0000.00817.60
8.1.50.0000.00717.53
8.1.40.0030.00717.52
8.1.30.0040.00417.66
8.1.20.0000.00817.69
8.1.10.0070.00017.59
8.1.00.0000.00817.57
8.0.300.0040.00419.86
8.0.290.0050.00217.04
8.0.280.0070.00018.47
8.0.270.0070.00017.34
8.0.260.0000.00616.84
8.0.250.0030.00317.11
8.0.240.0030.00617.04
8.0.230.0000.00717.00
8.0.220.0030.00317.00
8.0.210.0040.00417.00
8.0.200.0060.00017.04
8.0.190.0040.00416.96
8.0.180.0000.00717.02
8.0.170.0040.00417.02
8.0.160.0030.00317.03
8.0.150.0000.00716.89
8.0.140.0060.00316.89
8.0.130.0030.00313.37
8.0.120.0000.00716.83
8.0.110.0000.00716.91
8.0.100.0080.00016.86
8.0.90.0000.00716.88
8.0.80.0060.01016.92
8.0.70.0040.00417.05
8.0.60.0040.00416.98
8.0.50.0040.00416.77
8.0.30.0140.00517.26
8.0.20.0080.01217.40
8.0.10.0000.00816.97
8.0.00.0180.00516.84
7.4.330.0020.00216.84
7.4.320.0000.00616.59
7.4.300.0000.00616.63
7.4.290.0030.00316.52
7.4.280.0070.00016.64
7.4.270.0000.00716.63
7.4.260.0000.00513.30
7.4.250.0060.00316.39
7.4.240.0070.00016.51
7.4.230.0000.00716.62
7.4.220.0100.01016.56
7.4.210.0060.00816.61
7.4.200.0030.00316.66
7.4.190.0000.00716.59
7.4.160.0090.00616.34
7.4.150.0190.00617.40
7.4.140.0180.01517.86
7.4.130.0120.00616.57
7.4.120.0110.00516.63
7.4.110.0090.00816.58
7.4.100.0110.00616.55
7.4.90.0140.00316.44
7.4.80.0090.00919.39
7.4.70.0090.00616.55
7.4.60.0130.00316.49
7.4.50.0080.00016.67
7.4.40.0070.01122.77
7.4.30.0100.00716.71
7.4.00.0040.01115.16
7.3.330.0050.00313.30
7.3.320.0030.00313.20
7.3.310.0030.00316.32
7.3.300.0030.00316.24
7.3.290.0060.00616.38
7.3.280.0070.01216.38
7.3.270.0130.00317.40
7.3.260.0100.01416.32
7.3.250.0100.00716.45
7.3.240.0080.00816.32
7.3.230.0030.01416.50
7.3.210.0150.00616.22
7.3.200.0160.00719.39
7.3.190.0060.01216.59
7.3.180.0060.00916.42
7.3.170.0090.00616.38
7.3.160.0100.01016.39
7.3.120.0060.00614.55
7.2.330.0130.01016.84
7.2.320.0060.01516.51
7.2.310.0110.00716.83
7.2.300.0190.00316.73
7.2.290.0080.00816.69
7.2.60.0040.01116.61
7.1.200.0250.00315.55
7.1.100.0000.01617.99
7.1.70.0070.00717.02
7.1.60.0130.01319.17
7.1.50.0090.00617.00
7.1.00.0030.07722.46
7.0.200.0040.01116.98
7.0.140.0070.07022.01
7.0.100.0200.04320.04
7.0.90.0100.03719.98
7.0.80.0130.05019.90
7.0.70.0030.07720.16
7.0.60.0100.05319.89
7.0.50.0130.06720.30
7.0.40.0030.07320.18
7.0.30.0070.06720.11
7.0.20.0030.05020.00
7.0.10.0170.05319.99
7.0.00.0070.06720.08
5.6.280.0000.07321.13
5.6.250.0100.06720.82
5.6.240.0000.04020.67
5.6.230.0070.08020.59
5.6.220.0070.04720.63
5.6.210.0100.07720.57
5.6.200.0030.05021.10
5.6.190.0070.04720.95
5.6.180.0100.04721.11
5.6.170.0000.05720.95
5.6.160.0030.04320.96
5.6.150.0030.04321.18
5.6.140.0070.07721.02
5.6.130.0130.07721.08
5.6.120.0100.07721.12
5.6.110.0070.08721.04
5.6.100.0030.08321.10
5.6.90.0030.08020.92
5.6.80.0100.03720.47
5.6.70.0070.08720.55
5.6.60.0030.07720.51
5.6.50.0030.04020.35
5.6.40.0030.04020.47
5.6.30.0070.03720.47
5.6.20.0200.04020.38
5.6.10.0070.04320.46
5.6.00.0030.04020.39
5.5.380.0070.04320.37
5.5.370.0070.04720.38
5.5.360.0070.06020.35
5.5.350.0070.07020.38
5.5.340.0100.04720.88
5.5.330.0030.05320.77
5.5.320.0100.04320.74
5.5.310.0070.04020.87
5.5.300.0030.09020.93
5.5.290.0130.07320.77
5.5.280.0030.08320.90
5.5.270.0070.08720.80
5.5.260.0030.06320.76
5.5.250.0100.07720.70
5.5.240.0070.08020.29
5.5.230.0070.04020.30
5.5.220.0070.08320.29
5.5.210.0100.07020.27
5.5.200.0000.04720.26
5.5.190.0070.03720.13
5.5.180.0030.04020.12
5.5.160.0100.03320.09
5.5.150.0070.06020.24
5.5.140.0030.04020.24
5.5.130.0030.04020.26
5.5.120.0070.03720.21
5.5.110.0030.04020.23
5.5.100.0100.03720.08
5.5.90.0030.03720.17
5.5.80.0070.03720.08
5.5.70.0100.05320.06
5.5.60.0000.04320.06
5.5.50.0000.03720.05
5.5.40.0000.04020.01
5.5.30.0030.03720.15
5.5.20.0070.03720.05
5.5.10.0070.04020.04
5.5.00.0030.04320.04
5.4.450.0100.07019.28
5.4.440.0070.06319.35
5.4.430.0030.07319.20
5.4.420.0070.03719.41
5.4.410.0130.03719.14
5.4.400.0170.06019.24
5.4.390.0100.07318.94
5.4.380.0070.08719.12
5.4.370.0030.04019.16
5.4.360.0070.03719.16
5.4.350.0070.04319.21
5.4.340.0100.03319.04
5.4.320.0030.05719.16
5.4.310.0000.04319.03
5.4.300.0070.04019.02
5.4.290.0000.04019.12
5.4.280.0100.03719.09
5.4.270.0000.04019.14
5.4.260.0100.03319.09
5.4.250.0070.04718.99
5.4.240.0100.03319.04
5.4.230.0130.05019.20
5.4.220.0000.04319.20
5.4.210.0130.03019.18
5.4.200.0000.06719.19
5.4.190.0030.03318.84
5.4.180.0030.03019.17
5.4.170.0070.05018.89
5.4.160.0000.04319.13
5.4.150.0030.03019.19
5.4.140.0100.03316.48
5.4.130.0030.03716.42
5.4.120.0070.03316.48
5.4.110.0000.03316.40
5.4.100.0170.03016.32
5.4.90.0070.03316.50
5.4.80.0030.03016.43
5.4.70.0070.03316.39
5.4.60.0030.03016.48
5.4.50.0100.03016.25
5.4.40.0030.03316.48
5.4.30.0030.03716.41
5.4.20.0000.03316.35
5.4.10.0070.03716.45
5.4.00.0070.04015.94
5.3.290.0000.04015.57
5.3.280.0070.04015.57
5.3.270.0130.03015.57
5.3.260.0070.03715.57
5.3.250.0100.03315.57
5.3.240.0030.03715.57
5.3.230.0070.03015.57
5.3.220.0070.03015.57
5.3.210.0030.04015.57
5.3.200.0030.04015.57
5.3.190.0030.03315.57
5.3.180.0000.04015.57
5.3.170.0000.03315.57
5.3.160.0070.03315.57
5.3.150.0100.04315.57
5.3.140.0070.03315.57
5.3.130.0030.05315.57
5.3.120.0030.05715.57
5.3.110.0000.03315.57
5.3.100.0030.03715.57
5.3.90.0100.04015.57
5.3.80.0030.04315.57
5.3.70.0070.04315.57
5.3.60.0000.03315.57
5.3.50.0100.05715.57
5.3.40.0000.05715.57
5.3.30.0030.07015.57
5.3.20.0030.05715.57
5.3.10.0130.04715.57
5.3.00.0070.05315.57
5.2.170.0000.03315.57
5.2.160.0070.06015.57
5.2.150.0000.03015.57
5.2.140.0000.03315.57
5.2.130.0000.03015.57
5.2.120.0000.03015.57
5.2.110.0070.05315.57
5.2.100.0030.04315.57
5.2.90.0070.04715.57
5.2.80.0030.04015.57
5.2.70.0030.04015.57
5.2.60.0000.06015.57
5.2.50.0000.05715.57
5.2.40.0000.06015.57
5.2.30.0100.06015.57
5.2.20.0070.05015.57
5.2.10.0000.03015.57
5.2.00.0100.02015.57
5.1.60.0100.01715.57
5.1.50.0070.05015.57
5.1.40.0030.02315.57
5.1.30.0000.02715.57
5.1.20.0030.02315.57
5.1.10.0030.03315.57
5.1.00.0030.03315.57
5.0.50.0000.03015.57
5.0.40.0000.02715.57
5.0.30.0000.04315.57
5.0.20.0000.04315.57
5.0.10.0070.01715.57
5.0.00.0000.04315.57
4.4.90.0030.02315.57
4.4.80.0000.02015.57
4.4.70.0000.01715.57
4.4.60.0000.02715.57
4.4.50.0030.01715.57
4.4.40.0000.03015.57
4.4.30.0000.02015.57
4.4.20.0000.01715.57
4.4.10.0000.03315.57
4.4.00.0070.02015.57
4.3.110.0070.03015.57
4.3.100.0030.02715.57
4.3.90.0030.03015.57
4.3.80.0030.02315.57
4.3.70.0000.02315.57
4.3.60.0000.02015.57
4.3.50.0030.03015.57
4.3.40.0070.03015.57
4.3.30.0030.03315.57
4.3.20.0030.03015.57
4.3.10.0000.02715.57
4.3.00.0000.01715.57

preferences:
47.96 ms | 401 KiB | 5 Q