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; } // public function __invoke($trololo) {} } $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)
8.3.60.0150.00418.31
8.3.50.0250.00322.03
8.3.40.0100.01018.84
8.3.30.0100.00320.34
8.3.20.0040.00420.20
8.3.10.0080.00022.01
8.3.00.0040.00422.44
8.2.180.0070.00725.92
8.2.170.0070.00719.03
8.2.160.0070.01022.96
8.2.150.0070.00025.66
8.2.140.0070.00024.66
8.2.130.0120.00326.16
8.2.120.0050.00319.56
8.2.110.0040.00422.25
8.2.100.0120.00019.28
8.2.90.0000.00919.26
8.2.80.0030.00519.20
8.2.70.0000.00917.37
8.2.60.0000.00817.65
8.2.50.0060.00318.07
8.2.40.0000.00818.13
8.2.30.0000.00818.07
8.2.20.0050.00317.63
8.2.10.0000.00817.64
8.2.00.0040.00717.73
8.1.280.0100.01025.92
8.1.270.0000.00724.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.82
8.1.230.0070.00419.10
8.1.220.0030.00617.74
8.1.210.0000.00918.77
8.1.200.0030.00617.50
8.1.190.0030.00517.63
8.1.180.0000.00718.10
8.1.170.0040.00418.58
8.1.160.0070.00022.23
8.1.150.0030.00718.66
8.1.140.0040.00417.41
8.1.130.0040.00417.84
8.1.120.0070.00017.38
8.1.110.0040.00417.35
8.1.100.0040.00417.49
8.1.90.0040.00417.52
8.1.80.0030.00517.38
8.1.70.0030.00317.46
8.1.60.0030.00617.61
8.1.50.0040.00417.48
8.1.40.0030.00517.59
8.1.30.0070.00017.54
8.1.20.0040.00417.68
8.1.10.0030.00617.61
8.1.00.0040.00417.41
8.0.300.0070.00018.77
8.0.290.0000.00817.30
8.0.280.0070.00018.46
8.0.270.0000.00717.19
8.0.260.0000.00716.80
8.0.250.0070.00017.04
8.0.240.0050.00317.05
8.0.230.0070.00016.94
8.0.220.0030.00317.04
8.0.210.0000.00716.96
8.0.200.0040.00417.04
8.0.190.0080.00017.01
8.0.180.0000.00717.00
8.0.170.0040.00416.95
8.0.160.0000.00816.95
8.0.150.0030.00516.89
8.0.140.0040.00416.92
8.0.130.0000.00513.36
8.0.120.0030.00616.91
8.0.110.0000.00716.84
8.0.100.0040.00416.77
8.0.90.0000.00717.04
8.0.80.0040.01116.90
8.0.70.0030.00516.86
8.0.60.0030.00616.91
8.0.50.0000.00816.91
8.0.30.0090.00917.22
8.0.20.0130.01017.40
8.0.10.0040.00417.04
8.0.00.0130.00816.78
7.4.330.0000.00715.00
7.4.320.0060.00016.62
7.4.300.0100.00016.54
7.4.290.0030.00316.55
7.4.280.0060.00316.51
7.4.270.0030.00516.55
7.4.260.0070.00316.50
7.4.250.0040.00416.57
7.4.240.0000.00716.57
7.4.230.0040.00416.55
7.4.220.0060.01216.44
7.4.210.0030.01216.61
7.4.200.0000.00616.72
7.4.190.0040.00416.58
7.4.160.0110.00516.49
7.4.150.0140.00417.40
7.4.140.0070.01317.86
7.4.130.0090.00816.50
7.4.120.0100.00916.57
7.4.110.0030.01416.46
7.4.100.0070.01316.38
7.4.90.0120.00616.57
7.4.80.0090.00919.39
7.4.70.0150.00616.43
7.4.60.0100.01016.63
7.4.50.0030.00616.76
7.4.40.0110.00722.77
7.4.30.0100.00716.42
7.4.00.0060.01114.83
7.3.330.0000.00613.29
7.3.320.0000.00513.33
7.3.310.0030.00316.38
7.3.300.0020.00516.32
7.3.290.0040.01116.28
7.3.280.0060.01116.29
7.3.270.0130.00317.40
7.3.260.0070.01016.22
7.3.250.0120.00916.49
7.3.240.0070.01016.40
7.3.230.0110.00716.39
7.3.210.0130.00316.29
7.3.200.0120.00919.39
7.3.190.0120.00616.39
7.3.180.0050.01016.53
7.3.170.0150.00016.32
7.3.160.0100.01016.55
7.3.120.0050.01314.82
7.3.110.0080.01015.07
7.3.100.0080.00514.85
7.3.90.0090.00714.77
7.3.80.0090.00514.90
7.3.70.0040.00514.74
7.3.60.0070.00714.58
7.3.50.0010.01114.69
7.3.40.0090.00214.77
7.3.30.0060.00614.46
7.3.20.0080.00816.67
7.3.10.0080.00716.49
7.3.00.0050.00916.71
7.2.330.0170.00316.39
7.2.320.0140.01416.34
7.2.310.0120.00616.66
7.2.300.0130.00316.72
7.2.290.0090.00816.79
7.2.250.0080.01115.16
7.2.240.0110.00814.75
7.2.230.0050.01015.17
7.2.220.0070.01015.16
7.2.210.0030.01115.10
7.2.200.0020.01315.06
7.2.190.0040.00915.05
7.2.180.0030.01114.93
7.2.170.0060.00515.07
7.2.00.0040.00819.71
7.1.330.0070.00715.82
7.1.320.0070.00815.87
7.1.310.0070.00915.82
7.1.300.0060.00715.62
7.1.290.0050.00915.62
7.1.280.0060.00615.80
7.1.270.0080.00615.81
7.1.260.0050.00915.50
7.1.100.0090.00918.18
7.1.70.0000.00916.95
7.1.60.0150.00919.43
7.1.50.0070.01417.02
7.1.00.0000.03722.31
7.0.200.0000.01016.78
7.0.140.0030.07321.92
7.0.100.0070.08320.01
7.0.90.0130.08019.89
7.0.80.0130.05019.87
7.0.70.0070.08320.01
7.0.60.0230.08019.80
7.0.50.0170.08320.26
7.0.40.0100.08020.07
7.0.30.0030.09020.19
7.0.20.0170.06720.08
7.0.10.0130.05320.09
7.0.00.0070.08020.09
5.6.280.0030.07320.87
5.6.250.0100.06020.64
5.6.240.0130.07720.65
5.6.230.0100.07320.55
5.6.220.0130.07320.60
5.6.210.0170.07320.75
5.6.200.0030.09021.06
5.6.190.0030.08321.05
5.6.180.0170.08321.01
5.6.170.0030.09021.03
5.6.160.0130.07720.99
5.6.150.0170.06321.04
5.6.140.0070.07720.95
5.6.130.0130.07021.03
5.6.120.0070.08020.89
5.6.110.0000.08321.05
5.6.100.0030.08321.03
5.6.90.0100.04721.02
5.6.80.0130.07720.46
5.6.70.0170.07020.38
5.6.60.0130.06020.48
5.6.50.0070.07720.40
5.6.40.0130.07720.37
5.6.30.0130.07020.39
5.6.20.0030.08320.32
5.6.10.0100.04320.31
5.6.00.0100.07720.29
5.5.380.0070.08020.43
5.5.370.0070.08320.58
5.5.360.0070.08320.49
5.5.350.0070.08020.46
5.5.340.0130.07020.75
5.5.330.0130.07720.85
5.5.320.0070.08320.74
5.5.310.0070.07720.90
5.5.300.0070.06320.79
5.5.290.0130.08020.88
5.5.280.0170.07320.76
5.5.270.0070.08020.84
5.5.260.0000.08320.81
5.5.250.0070.08020.70
5.5.240.0330.04020.32
5.5.230.0130.06020.27
5.5.220.0070.08020.14
5.5.210.0070.08320.17
5.5.200.0030.07020.27
5.5.190.0100.07020.16
5.5.180.0130.07320.24
5.5.160.0130.07020.13
5.5.150.0100.07020.18
5.5.140.0070.06020.26
5.5.130.0070.07720.23
5.5.120.0130.07320.24
5.5.110.0100.08020.21
5.5.100.0070.07320.13
5.5.90.0100.07720.14
5.5.80.0170.06320.02
5.5.70.0100.07320.11
5.5.60.0100.07320.12
5.5.50.0100.07320.17
5.5.40.0200.06020.17
5.5.30.0070.08319.94
5.5.20.0100.05319.98
5.5.10.0070.08020.11
5.5.00.0100.07020.05
5.4.450.0030.07719.36
5.4.440.0030.08319.23
5.4.430.0100.06319.36
5.4.420.0130.06319.51
5.4.410.0130.07319.36
5.4.400.0170.07019.06
5.4.390.0100.06719.07
5.4.380.0100.06318.95
5.4.370.0070.07018.90
5.4.360.0070.05319.25
5.4.350.0030.08719.04
5.4.340.0030.07719.16
5.4.320.0070.07319.04
5.4.310.0130.07319.07
5.4.300.0100.06719.15
5.4.290.0170.08019.09
5.4.280.0130.06718.88
5.4.270.0000.08019.16
5.4.260.0030.04718.84
5.4.250.0100.06019.04
5.4.240.0070.07719.14
5.4.230.0130.06018.84
5.4.220.0130.07018.88
5.4.210.0130.07019.21
5.4.200.0130.07019.23
5.4.190.0000.08319.03
5.4.180.0070.07719.23
5.4.170.0030.08719.17
5.4.160.0000.08019.01
5.4.150.0030.07319.18
5.4.140.0100.04016.43
5.4.130.0100.05716.34
5.4.120.0230.06016.34
5.4.110.0100.06716.52
5.4.100.0100.07016.43
5.4.90.0200.06316.47
5.4.80.0100.07016.46
5.4.70.0100.06316.32
5.4.60.0070.07016.47
5.4.50.0030.03716.31
5.4.40.0000.07716.54
5.4.30.0030.07716.44
5.4.20.0030.07316.44
5.4.10.0030.07316.31
5.4.00.0100.07015.95
5.3.290.0070.07714.61
5.3.280.0030.07714.55
5.3.270.0070.08014.73
5.3.260.0030.08014.75
5.3.250.0130.06714.75
5.3.240.0000.06714.59
5.3.230.0070.05314.62
5.3.220.0070.06314.59
5.3.210.0070.07314.59
5.3.200.0100.06714.65
5.3.190.0130.06314.50
5.3.180.0070.07014.55
5.3.170.0100.06714.65
5.3.160.0130.07014.70
5.3.150.0070.07314.55
5.3.140.0100.04014.54
5.3.130.0070.07014.61
5.3.120.0100.05714.61
5.3.110.0030.07314.49
5.3.100.0100.06314.02
5.3.90.0070.07014.05
5.3.80.0100.06313.95
5.3.70.0100.07314.04
5.3.60.0030.07013.95
5.3.50.0100.04713.84
5.3.40.0170.06713.86
5.3.30.0030.07014.05
5.3.20.0030.07313.79
5.3.10.0100.04313.75
5.3.00.0130.06713.56
5.2.170.0070.06311.20
5.2.160.0030.06311.01
5.2.150.0030.05011.14
5.2.140.0000.03311.21
5.2.130.0070.05711.13
5.2.120.0070.06311.21
5.2.110.0030.06311.11
5.2.100.0000.06311.20
5.2.90.0070.05711.10
5.2.80.0000.06711.23
5.2.70.0000.06711.09
5.2.60.0100.05311.12
5.2.50.0030.04711.01
5.2.40.0030.06311.07
5.2.30.0070.06011.00
5.2.20.0070.06011.09
5.2.10.0130.05310.82
5.2.00.0030.06010.83
5.1.60.0030.05310.07
5.1.50.0030.05010.07
5.1.40.0030.05710.09
5.1.30.0030.03010.30
5.1.20.0000.05010.38
5.1.10.0070.03710.19
5.1.00.0030.05310.07
5.0.50.0000.04010.07
5.0.40.0070.04010.07
5.0.30.0070.06010.07
5.0.20.0100.03710.07
5.0.10.0000.04710.07
5.0.00.0000.06710.07
4.4.90.0070.03010.07
4.4.80.0030.02310.07
4.4.70.0030.03310.07
4.4.60.0000.04010.07
4.4.50.0100.02710.07
4.4.40.0070.04710.07
4.4.30.0000.03710.07
4.4.20.0030.03310.07
4.4.10.0000.04010.07
4.4.00.0000.05310.07
4.3.110.0030.03310.07
4.3.100.0130.02310.07
4.3.90.0000.03710.07
4.3.80.0030.04310.07
4.3.70.0000.03010.07
4.3.60.0000.03710.07
4.3.50.0100.02310.07
4.3.40.0000.04010.07
4.3.30.0000.03710.07
4.3.20.0030.03310.07
4.3.10.0030.02710.07
4.3.00.0030.03010.07

preferences:
45.8 ms | 401 KiB | 5 Q