3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance = null; final private function __construct() {} final private function __clone() {} public static function getInstance() { if (!self::$instance) { self::$instance = new self; } return self::$instance; } } $oneInstance = Singleton::getInstance(); $reflection = new ReflectionClass('Singleton'); echo "Cloneable outside:", var_dump($reflection->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)
8.3.60.0040.01118.55
8.3.50.0140.00721.94
8.3.40.0040.01118.97
8.3.30.0070.00720.34
8.3.20.0000.00820.24
8.3.10.0080.00021.92
8.3.00.0050.00322.43
8.2.180.0180.00318.25
8.2.170.0140.00022.96
8.2.160.0110.00720.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.01026.16
8.2.120.0040.00419.42
8.2.110.0100.00022.25
8.2.100.0070.00419.39
8.2.90.0050.00319.17
8.2.80.0060.00319.26
8.2.70.0000.00817.63
8.2.60.0000.00817.93
8.2.50.0080.00418.07
8.2.40.0000.00718.13
8.2.30.0040.00418.03
8.2.20.0040.00417.66
8.2.10.0070.00017.57
8.2.00.0000.00717.60
8.1.280.0100.01025.92
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00623.91
8.1.230.0000.01118.97
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0040.00417.23
8.1.190.0000.00917.66
8.1.180.0040.00420.25
8.1.170.0000.00818.60
8.1.160.0070.00022.03
8.1.150.0000.00818.61
8.1.140.0040.00417.46
8.1.130.0070.00017.83
8.1.120.0080.00017.44
8.1.110.0020.00517.37
8.1.100.0040.00417.42
8.1.90.0070.00017.42
8.1.80.0000.00817.38
8.1.70.0000.00717.37
8.1.60.0080.00017.59
8.1.50.0000.00717.43
8.1.40.0050.00317.48
8.1.30.0030.00617.64
8.1.20.0040.00417.73
8.1.10.0040.00417.54
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0000.00718.46
8.0.270.0080.00017.27
8.0.260.0000.00716.93
8.0.250.0030.00317.07
8.0.240.0080.00016.93
8.0.230.0060.00017.07
8.0.220.0030.00317.03
8.0.210.0050.00316.86
8.0.200.0040.00416.93
8.0.190.0080.00017.04
8.0.180.0050.00317.02
8.0.170.0040.00416.96
8.0.160.0000.00716.93
8.0.150.0050.00216.95
8.0.140.0000.00816.94
8.0.130.0060.00013.33
8.0.120.0030.00516.95
8.0.110.0070.00016.86
8.0.100.0040.00416.88
8.0.90.0040.00416.85
8.0.80.0120.00316.91
8.0.70.0040.00416.90
8.0.60.0040.00417.01
8.0.50.0040.00416.99
8.0.30.0040.01416.89
8.0.20.0070.01017.40
8.0.10.0000.00717.06
8.0.00.0070.01116.60
7.4.330.0020.00215.15
7.4.320.0000.00716.59
7.4.300.0030.00316.45
7.4.290.0070.00016.51
7.4.280.0040.00416.64
7.4.270.0030.00316.63
7.4.260.0000.00613.29
7.4.250.0000.00716.47
7.4.240.0040.00316.60
7.4.230.0080.00016.69
7.4.220.0120.00616.68
7.4.210.0080.00816.63
7.4.200.0040.00416.28
7.4.190.0000.00816.48
7.4.160.0070.00716.34
7.4.150.0070.01417.40
7.4.140.0120.00517.86
7.4.130.0120.00816.52
7.4.120.0070.01016.61
7.4.110.0170.00716.59
7.4.100.0120.00616.40
7.4.90.0140.00316.60
7.4.80.0140.00319.39
7.4.70.0030.01416.68
7.4.60.0090.00916.50
7.4.50.0030.00716.43
7.4.40.0000.01622.77
7.4.30.0070.01016.46
7.4.00.0140.00014.86
7.3.330.0050.00013.31
7.3.320.0000.00513.18
7.3.310.0030.00316.41
7.3.300.0030.00316.28
7.3.290.0120.00416.24
7.3.280.0080.00916.34
7.3.270.0130.00517.40
7.3.260.0120.00916.44
7.3.250.0070.01016.40
7.3.240.0070.01016.56
7.3.230.0100.01016.52
7.3.210.0060.01016.30
7.3.200.0170.00319.39
7.3.190.0090.00916.61
7.3.180.0180.00016.35
7.3.170.0120.00416.27
7.3.160.0040.01216.22
7.3.120.0090.00615.01
7.2.330.0060.01216.38
7.2.320.0090.01516.78
7.2.310.0150.00316.74
7.2.300.0090.00916.80
7.2.290.0040.01416.82
7.2.60.0080.00816.96
7.2.00.0000.01319.55
7.1.200.0030.00915.86
7.1.100.0150.00918.07
7.1.70.0000.00816.86
7.1.60.0160.00619.43
7.1.50.0030.01016.95
7.1.00.0070.07022.36
7.0.200.0000.01016.91
7.0.140.0070.06722.18
7.0.100.0330.07719.93
7.0.90.0170.07019.89
7.0.80.0130.07319.98
7.0.70.0430.07019.89
7.0.60.0070.08019.87
7.0.50.0070.08020.17
7.0.40.0030.05320.11
7.0.30.0030.09020.11
7.0.20.0100.08020.18
7.0.10.0100.06020.17
7.0.00.0030.08019.95
5.6.280.0000.07720.86
5.6.250.0100.06720.66
5.6.240.0000.05020.75
5.6.230.0070.08320.51
5.6.220.0030.07320.74
5.6.210.0100.06720.56
5.6.200.0030.09320.97
5.6.190.0170.04321.05
5.6.180.0070.08721.06
5.6.170.0170.07321.03
5.6.160.0030.06021.07
5.6.150.0070.08321.03
5.6.140.0170.07021.03
5.6.130.0030.06321.09
5.6.120.0170.07721.02
5.6.110.0070.07321.08
5.6.100.0130.06720.93
5.6.90.0130.07021.10
5.6.80.0030.08020.35
5.6.70.0100.05320.55
5.6.60.0130.04320.52
5.6.50.0030.07720.33
5.6.40.0130.07720.30
5.6.30.0070.04720.42
5.6.20.0000.08020.30
5.6.10.0030.04720.38
5.6.00.0130.05320.48
5.5.380.0130.05320.55
5.5.370.0030.08720.41
5.5.360.0070.08020.34
5.5.350.0030.09020.34
5.5.340.0170.07020.85
5.5.330.0030.07720.81
5.5.320.0070.08720.79
5.5.310.0130.07720.79
5.5.300.0070.08320.80
5.5.290.0170.08020.85
5.5.280.0100.09020.93
5.5.270.0070.09020.93
5.5.260.0070.08020.88
5.5.250.0100.06720.73
5.5.240.0100.04720.26
5.5.230.0100.07020.15
5.5.220.0070.04720.27
5.5.210.0100.06720.30
5.5.200.0000.08020.25
5.5.190.0030.09020.18
5.5.180.0100.08020.23
5.5.160.0070.07320.14
5.5.150.0030.05020.22
5.5.140.0200.06020.16
5.5.130.0030.05020.21
5.5.120.0030.05720.17
5.5.110.0070.08020.13
5.5.100.0100.07720.09
5.5.90.0100.07320.08
5.5.80.0130.06720.11
5.5.70.0100.07020.09
5.5.60.0100.06720.17
5.5.50.0100.05020.07
5.5.40.0100.05020.07
5.5.30.0070.08020.11
5.5.20.0100.06320.04
5.5.10.0100.07320.01
5.5.00.0030.04020.05
5.4.450.0030.07319.38
5.4.440.0070.08019.46
5.4.430.0100.07019.24
5.4.420.0100.04319.18
5.4.410.0070.04319.36
5.4.400.0070.04719.14
5.4.390.0070.04019.21
5.4.380.0130.06319.03
5.4.370.0070.05019.04
5.4.360.0070.06719.09
5.4.350.0070.07018.90
5.4.340.0070.06719.23
5.4.320.0070.08319.23
5.4.310.0130.07319.21
5.4.300.0070.04018.85
5.4.290.0100.06018.90
5.4.280.0070.07319.18
5.4.270.0000.07019.13
5.4.260.0070.07319.16
5.4.250.0100.07019.04
5.4.240.0030.06719.03
5.4.230.0030.08718.95
5.4.220.0070.07318.87
5.4.210.0000.06719.18
5.4.200.0000.08319.21
5.4.190.0170.06319.12
5.4.180.0030.07719.04
5.4.170.0100.04719.15
5.4.160.0130.06018.85
5.4.150.0000.08319.11
5.4.140.0030.05316.21
5.4.130.0030.07716.40
5.4.120.0000.06716.41
5.4.110.0030.07716.39
5.4.100.0130.06016.51
5.4.90.0030.04016.48
5.4.80.0070.07016.41
5.4.70.0070.03716.49
5.4.60.0030.04716.36
5.4.50.0070.06316.26
5.4.40.0070.07016.51
5.4.30.0100.07016.41
5.4.20.0030.06316.48
5.4.10.0100.06016.40
5.4.00.0070.04015.86
5.3.290.0070.04314.61
5.3.280.0030.07314.71
5.3.270.0070.08014.73
5.3.260.0070.07314.55
5.3.250.0070.07714.61
5.3.240.0100.03014.55
5.3.230.0030.07714.66
5.3.220.0100.07014.64
5.3.210.0070.06714.58
5.3.200.0100.06714.68
5.3.190.0130.03014.68
5.3.180.0030.04314.50
5.3.170.0030.07314.73
5.3.160.0070.06014.66
5.3.150.0000.07314.50
5.3.140.0030.06714.55
5.3.130.0070.07314.49
5.3.120.0100.07314.49
5.3.110.0130.07014.63
5.3.100.0070.07714.05
5.3.90.0200.05714.12
5.3.80.0130.06314.16
5.3.70.0030.06313.96
5.3.60.0070.07714.13
5.3.50.0030.07314.01
5.3.40.0070.05313.89
5.3.30.0170.05713.90
5.3.20.0100.03713.63
5.3.10.0070.07313.77
5.3.00.0030.06313.71
5.2.170.0100.05311.29
5.2.160.0100.04311.26
5.2.150.0070.06011.23
5.2.140.0100.04711.08
5.2.130.0000.03011.25
5.2.120.0000.03311.04
5.2.110.0070.04711.17
5.2.100.0130.05311.02
5.2.90.0030.05710.97
5.2.80.0030.03711.03
5.2.70.0070.06011.21
5.2.60.0030.05311.12
5.2.50.0070.05710.88
5.2.40.0100.05311.06
5.2.30.0070.05711.03
5.2.20.0100.05310.83
5.2.10.0030.04310.86
5.2.00.0030.05310.84
5.1.60.0030.0509.85
5.1.50.0000.04310.01
5.1.40.0030.0309.98
5.1.30.0000.05710.44
5.1.20.0070.05710.27
5.1.10.0070.0539.92
5.1.00.0100.04310.11
5.0.50.0030.0478.66
5.0.40.0070.0408.47
5.0.30.0070.0608.09
5.0.20.0030.0438.22
5.0.10.0000.0508.09
5.0.00.0070.0578.29
4.4.90.0030.0178.09
4.4.80.0070.0138.09
4.4.70.0030.0308.09
4.4.60.0100.0278.09
4.4.50.0000.0208.09
4.4.40.0000.0508.09
4.4.30.0000.0208.09
4.4.20.0000.0338.09
4.4.10.0000.0238.09
4.4.00.0000.0538.09
4.3.110.0070.0238.09
4.3.100.0070.0308.09
4.3.90.0070.0308.09
4.3.80.0000.0538.09
4.3.70.0030.0238.09
4.3.60.0030.0338.09
4.3.50.0070.0238.09
4.3.40.0000.0538.09
4.3.30.0030.0278.09
4.3.20.0030.0338.09
4.3.10.0000.0238.09
4.3.00.0000.0238.09

preferences:
62 ms | 401 KiB | 5 Q