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)
8.3.60.0090.00918.55
8.3.50.0100.01122.07
8.3.40.0070.01318.84
8.3.30.0170.00019.09
8.3.20.0120.00320.29
8.3.10.0080.00023.66
8.3.00.0040.00422.52
8.2.180.0070.01116.63
8.2.170.0070.01422.96
8.2.160.0130.00720.53
8.2.150.0090.00624.18
8.2.140.0040.00424.66
8.2.130.0110.00726.16
8.2.120.0040.00422.08
8.2.110.0090.00020.82
8.2.100.0090.00317.91
8.2.90.0080.00018.16
8.2.80.0060.00317.97
8.2.70.0080.00417.80
8.2.60.0000.00818.05
8.2.50.0080.00018.10
8.2.40.0030.00720.42
8.2.30.0080.00017.95
8.2.20.0040.00417.58
8.2.10.0070.00017.57
8.2.00.0000.00817.56
8.1.280.0070.00725.92
8.1.270.0040.01123.82
8.1.260.0000.00826.35
8.1.250.0030.01028.09
8.1.240.0000.01123.80
8.1.230.0090.00322.86
8.1.220.0030.00517.78
8.1.210.0040.00418.85
8.1.200.0080.00017.23
8.1.190.0060.00317.35
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0000.00721.97
8.1.150.0060.00318.63
8.1.140.0040.00417.37
8.1.130.0030.00317.89
8.1.120.0050.00317.45
8.1.110.0070.00017.48
8.1.100.0040.00417.50
8.1.90.0000.00817.42
8.1.80.0000.00717.55
8.1.70.0030.00317.36
8.1.60.0000.00817.66
8.1.50.0060.00317.44
8.1.40.0040.00417.50
8.1.30.0080.00017.58
8.1.20.0000.00817.72
8.1.10.0090.00017.52
8.1.00.0000.00717.45
8.0.300.0000.00819.98
8.0.290.0040.00416.75
8.0.280.0040.00418.47
8.0.270.0000.00716.78
8.0.260.0040.00416.91
8.0.250.0070.00017.02
8.0.240.0000.00717.04
8.0.230.0060.00317.10
8.0.220.0070.00016.86
8.0.210.0030.00316.86
8.0.200.0000.00717.02
8.0.190.0030.00317.02
8.0.180.0070.00016.96
8.0.170.0040.00417.00
8.0.160.0050.00217.01
8.0.150.0030.00316.96
8.0.140.0060.00316.91
8.0.130.0000.00613.44
8.0.120.0040.00416.88
8.0.110.0040.00417.00
8.0.100.0030.00617.08
8.0.90.0070.00016.94
8.0.80.0100.01016.99
8.0.70.0050.00216.84
8.0.60.0080.00017.00
8.0.50.0050.00316.92
8.0.30.0140.00517.07
8.0.20.0120.00717.40
8.0.10.0000.00717.01
8.0.00.0050.01216.94
7.4.330.0030.00315.02
7.4.320.0040.00416.63
7.4.300.0060.00016.63
7.4.290.0050.00316.63
7.4.280.0030.00316.45
7.4.270.0030.00316.45
7.4.260.0000.00716.64
7.4.250.0000.00816.47
7.4.240.0050.00316.55
7.4.230.0030.00516.50
7.4.220.0070.01116.55
7.4.210.0050.01216.59
7.4.200.0050.00016.53
7.4.190.0000.00716.66
7.4.160.0100.00716.45
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0080.00816.52
7.4.120.0110.00716.58
7.4.110.0140.00716.38
7.4.100.0110.00616.54
7.4.90.0040.01416.55
7.4.80.0060.01216.60
7.4.70.0130.00716.45
7.4.60.0090.00916.65
7.4.50.0000.00816.36
7.4.40.0110.00722.77
7.4.30.0160.00616.30
7.4.00.0030.00614.72
7.3.330.0000.00613.18
7.3.320.0030.00313.29
7.3.310.0000.00716.34
7.3.300.0070.00016.39
7.3.290.0070.01316.31
7.3.280.0080.00916.32
7.3.270.0100.00717.40
7.3.260.0130.01016.35
7.3.250.0140.00816.40
7.3.240.0110.00716.29
7.3.230.0060.00916.39
7.3.210.0090.00916.21
7.3.200.0090.01219.39
7.3.190.0070.01116.57
7.3.180.0040.01516.22
7.3.170.0150.00616.35
7.3.160.0160.00716.27
7.3.120.0060.00914.77
7.3.110.0100.00714.83
7.3.100.0080.00614.78
7.3.90.0080.00414.58
7.3.80.0110.00414.81
7.3.70.0100.00414.94
7.3.60.0030.01214.95
7.3.50.0060.00914.88
7.3.40.0040.00414.75
7.3.30.0090.00614.91
7.3.20.0070.01016.61
7.3.10.0000.00916.34
7.3.00.0100.00316.57
7.2.330.0100.00916.83
7.2.320.0070.01116.68
7.2.310.0120.01216.51
7.2.300.0090.00916.85
7.2.290.0080.00816.82
7.2.240.0120.00915.15
7.2.230.0060.00915.26
7.2.220.0090.00615.04
7.2.210.0090.00614.69
7.2.200.0000.01315.01
7.2.190.0030.01314.72
7.2.180.0000.01615.25
7.2.170.0040.00815.05
7.2.160.0040.01114.92
7.2.150.0100.00717.09
7.2.140.0030.01017.00
7.2.130.0030.00716.79
7.2.120.0030.01216.74
7.2.110.0070.00417.14
7.2.100.0120.00316.69
7.2.90.0090.00016.74
7.2.80.0090.00617.15
7.2.70.0080.00817.15
7.2.60.0100.00016.91
7.2.50.0060.01216.80
7.2.40.0040.01417.04
7.2.30.0060.00317.02
7.2.20.0070.00716.74
7.2.10.0030.00816.95
7.2.00.0090.00718.17
7.1.330.0100.00715.80
7.1.320.0030.01015.75
7.1.310.0110.00415.88
7.1.300.0110.00315.83
7.1.290.0040.01115.88
7.1.280.0040.00915.90
7.1.270.0070.01015.75
7.1.260.0000.01015.66
7.1.250.0030.01215.57
7.1.100.0050.00518.27
7.1.70.0060.00317.04
7.1.60.0090.01519.29
7.1.50.0040.01416.81
7.1.00.0070.07322.36
7.0.200.0030.00716.94
7.0.140.0070.07022.15
7.0.60.0000.04320.05
7.0.50.0030.04717.86
7.0.40.0200.07319.96
7.0.30.0230.04020.22
7.0.20.0230.04020.06
7.0.10.0030.04720.06
7.0.00.0100.07320.07
5.6.280.0030.07020.79
5.6.210.0170.06320.57
5.6.200.0130.08018.21
5.6.190.0170.07320.33
5.6.180.0530.07020.48
5.6.170.0470.06720.51
5.6.160.0170.08320.46
5.6.150.0030.05318.14
5.6.140.0070.07318.21
5.6.130.0000.05018.26
5.6.120.0230.06021.13
5.6.110.0070.07320.99
5.6.100.0200.07321.13
5.6.90.0130.07321.11
5.6.80.0130.06720.29
5.5.350.0270.07720.34
5.5.340.0100.07718.02
5.5.330.0100.04020.42
5.5.320.0330.06320.34
5.5.310.0270.03720.23
5.5.300.0000.06018.08
5.5.290.0100.08718.02
5.5.280.0030.08020.78
5.5.270.0030.04720.79
5.5.260.0100.08020.77
5.5.250.0070.04020.75
5.5.240.0030.08020.15
5.4.450.0670.06019.61
5.4.440.0330.07719.57
5.4.430.0300.05319.49
5.4.420.0230.06719.44
5.4.410.0230.05319.42
5.4.400.0300.04719.30
5.4.390.0170.06019.11
5.4.380.0200.05018.65
5.4.370.0300.06018.84
5.4.360.0370.05318.77
5.4.350.0500.04718.75
5.4.340.0330.05018.53
5.4.320.0060.04712.51
5.4.310.0050.04212.50
5.4.300.0070.04212.51
5.4.290.0110.04112.50
5.4.280.0060.03612.39
5.4.270.0040.03812.40
5.4.260.0080.04612.40
5.4.250.0110.03412.40
5.4.240.0050.03712.38
5.4.230.0060.03612.36
5.4.220.0040.03712.36
5.4.210.0090.03912.36
5.4.200.0070.03612.36
5.4.190.0070.03512.36
5.4.180.0080.04612.36
5.4.170.0040.03912.38
5.4.160.0060.03512.37
5.4.150.0040.03612.36
5.4.140.0070.03412.04
5.4.130.0040.03712.04
5.4.120.0040.03712.00
5.4.110.0030.03911.99
5.4.100.0050.03611.99
5.4.90.0060.03711.98
5.4.80.0080.03411.98
5.4.70.0060.03411.99
5.4.60.0040.03611.98
5.4.50.0080.03311.98
5.4.40.0060.03411.97
5.4.30.0030.03811.96
5.4.20.0050.03711.97
5.4.10.0050.03511.96
5.4.00.0060.03711.46
5.3.290.0050.05212.80
5.3.280.0040.03812.71
5.3.270.0060.03712.72
5.3.260.0040.04012.71
5.3.250.0040.03812.72
5.3.240.0080.03412.72
5.3.230.0070.03812.71
5.3.220.0070.03812.68
5.3.210.0090.04412.68
5.3.200.0070.03912.68
5.3.190.0020.04012.68
5.3.180.0050.03612.67
5.3.170.0050.03612.67
5.3.160.0050.04312.67
5.3.150.0040.03812.67
5.3.140.0070.03912.66
5.3.130.0060.04112.66
5.3.120.0040.03912.66
5.3.110.0070.04312.66
5.3.100.0070.04212.12
5.3.90.0040.03712.09
5.3.80.0050.03612.07
5.3.70.0050.03712.07
5.3.60.0020.03912.07
5.3.50.0080.03312.00
5.3.40.0060.03712.00
5.3.30.0090.03511.96
5.3.20.0030.03711.75
5.3.10.0030.03611.71
5.3.00.0030.03711.70
5.2.170.0050.0299.20
5.2.160.0050.0279.19
5.2.150.0040.0339.20
5.2.140.0030.0329.19
5.2.130.0060.0319.15
5.2.120.0080.0289.15
5.2.110.0040.0309.16
5.2.100.0030.0299.16
5.2.90.0030.0309.16
5.2.80.0030.0319.14
5.2.70.0040.0309.14
5.2.60.0070.0329.11
5.2.50.0050.0299.08
5.2.40.0070.0359.04
5.2.30.0050.0339.02
5.2.20.0050.0359.02
5.2.10.0050.0278.92
5.2.00.0100.0358.77
5.1.60.0060.0218.06
5.1.50.0050.0258.07
5.1.40.0040.0278.05
5.1.30.0020.0288.40
5.1.20.0030.0278.42
5.1.10.0060.0248.14
5.1.00.0040.0288.14
5.0.50.0050.0186.62
5.0.40.0030.0206.47
5.0.30.0020.0336.29
5.0.20.0000.0226.26
5.0.10.0040.0186.23
5.0.00.0050.0286.23
4.4.90.0050.0124.78
4.4.80.0030.0204.76
4.4.70.0020.0154.75
4.4.60.0030.0164.76
4.4.50.0040.0174.77
4.4.40.0040.0274.71
4.4.30.0040.0144.76
4.4.20.0030.0204.84
4.4.10.0050.0174.85
4.4.00.0020.0264.76
4.3.110.0000.0194.67
4.3.100.0020.0154.66
4.3.90.0020.0194.64
4.3.80.0040.0234.58
4.3.70.0030.0194.63
4.3.60.0030.0144.63
4.3.50.0040.0204.62
4.3.40.0000.0264.54
4.3.30.0000.0193.29
4.3.20.0040.0223.26
4.3.10.0010.0223.22
4.3.00.0130.0206.60

preferences:
59.08 ms | 400 KiB | 5 Q