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(); //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)
8.3.60.0040.01118.43
8.3.50.0150.00921.92
8.3.40.0120.00618.71
8.3.30.0130.00720.04
8.3.20.0040.00420.39
8.3.10.0030.00522.09
8.3.00.0060.01222.40
8.2.180.0140.00417.00
8.2.170.0170.00322.96
8.2.160.0100.00322.17
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.01426.16
8.2.120.0080.00019.64
8.2.110.0080.00022.30
8.2.100.0090.00319.41
8.2.90.0050.00319.05
8.2.80.0040.00419.46
8.2.70.0040.00417.63
8.2.60.0070.00018.04
8.2.50.0000.00818.07
8.2.40.0050.00318.03
8.2.30.0080.00018.12
8.2.20.0030.00617.55
8.2.10.0030.00617.57
8.2.00.0040.00417.74
8.1.280.0070.01325.92
8.1.270.0080.00024.66
8.1.260.0050.00226.35
8.1.250.0070.00728.09
8.1.240.0090.00023.98
8.1.230.0080.00419.00
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0090.00017.36
8.1.190.0000.00817.55
8.1.180.0040.00420.15
8.1.170.0040.00418.41
8.1.160.0000.00822.21
8.1.150.0000.00718.56
8.1.140.0070.00017.32
8.1.130.0050.00317.83
8.1.120.0030.00517.55
8.1.110.0070.00017.41
8.1.100.0000.00717.47
8.1.90.0000.00717.46
8.1.80.0040.00417.53
8.1.70.0000.00717.43
8.1.60.0030.00617.57
8.1.50.0040.00417.43
8.1.40.0070.00017.53
8.1.30.0040.00417.65
8.1.20.0040.00417.58
8.1.10.0000.00817.48
8.1.00.0030.00917.40
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0000.00718.30
8.0.270.0000.00817.32
8.0.260.0030.00316.90
8.0.250.0030.00517.04
8.0.240.0030.00517.07
8.0.230.0000.00717.05
8.0.220.0030.00316.96
8.0.210.0030.00316.86
8.0.200.0030.00316.96
8.0.190.0000.00717.01
8.0.180.0040.00416.96
8.0.170.0030.00416.96
8.0.160.0000.00716.86
8.0.150.0050.00316.88
8.0.140.0080.00016.93
8.0.130.0060.00013.41
8.0.120.0040.00416.95
8.0.110.0040.00416.96
8.0.100.0070.00016.85
8.0.90.0000.00716.94
8.0.80.0070.01316.96
8.0.70.0000.00816.84
8.0.60.0070.00016.92
8.0.50.0040.00417.04
8.0.30.0060.01617.20
8.0.20.0130.00617.40
8.0.10.0040.00416.92
8.0.00.0090.00816.80
7.4.330.0000.00515.00
7.4.320.0030.00316.41
7.4.300.0090.00016.42
7.4.290.0030.00316.62
7.4.280.0000.00716.43
7.4.270.0000.00716.53
7.4.260.0030.00516.59
7.4.250.0040.00416.59
7.4.240.0070.00016.51
7.4.230.0000.00716.64
7.4.220.0100.00716.67
7.4.210.0080.00716.53
7.4.200.0030.00316.59
7.4.190.0050.00216.79
7.4.160.0090.01316.48
7.4.150.0170.00617.40
7.4.140.0180.00517.86
7.4.130.0120.00816.57
7.4.120.0070.00916.38
7.4.110.0130.00716.40
7.4.100.0060.01316.72
7.4.90.0140.00416.57
7.4.80.0080.01619.39
7.4.70.0090.00916.59
7.4.60.0130.00316.41
7.4.50.0040.00416.51
7.4.40.0100.00722.77
7.4.30.0090.00616.68
7.4.00.0030.01415.00
7.3.330.0000.00513.15
7.3.320.0000.00513.18
7.3.310.0000.00716.35
7.3.300.0000.00716.32
7.3.290.0100.00316.32
7.3.280.0090.00816.34
7.3.270.0070.01017.40
7.3.260.0090.00916.38
7.3.250.0150.00616.23
7.3.240.0130.00316.55
7.3.230.0150.00616.39
7.3.210.0140.00716.34
7.3.200.0080.01219.39
7.3.190.0070.01516.57
7.3.180.0090.00616.41
7.3.170.0100.00516.27
7.3.160.0130.01016.39
7.3.120.0030.00914.74
7.3.10.0040.01216.46
7.3.00.0040.01316.59
7.2.330.0090.01516.75
7.2.320.0160.00516.75
7.2.310.0140.00916.81
7.2.300.0110.00716.73
7.2.290.0120.00616.79
7.2.130.0110.00416.71
7.2.120.0070.01016.71
7.2.110.0000.01616.67
7.2.100.0090.00916.57
7.2.90.0060.00616.77
7.2.80.0050.00516.84
7.2.70.0110.00717.11
7.2.60.0000.01616.94
7.2.50.0140.00316.99
7.2.40.0060.00917.00
7.2.30.0090.00617.00
7.2.20.0030.00617.01
7.2.10.0030.00616.57
7.2.00.0050.00918.17
7.1.250.0070.00715.99
7.1.240.0030.00915.93
7.1.230.0030.00615.84
7.1.220.0140.00015.83
7.1.210.0090.00615.74
7.1.200.0060.00915.89
7.1.190.0000.01215.85
7.1.180.0100.00715.79
7.1.170.0100.00715.73
7.1.160.0100.00315.90
7.1.150.0030.00915.77
7.1.140.0030.00615.77
7.1.130.0000.01315.87
7.1.120.0100.00715.71
7.1.110.0000.00815.84
7.1.100.0050.00916.96
7.1.90.0070.00715.83
7.1.80.0060.01015.78
7.1.70.0050.00516.35
7.1.60.0050.01417.62
7.1.50.0030.01616.04
7.1.40.0030.01015.68
7.1.30.0150.00415.68
7.1.20.0070.00415.75
7.1.10.0120.00615.71
7.1.00.0030.04119.08
7.0.330.0050.01115.50
7.0.320.0030.01015.13
7.0.310.0040.00715.34
7.0.300.0060.00915.29
7.0.290.0040.00415.31
7.0.280.0040.00415.30
7.0.270.0000.01315.37
7.0.260.0080.00415.61
7.0.250.0060.00615.40
7.0.240.0000.01015.24
7.0.230.0070.00715.53
7.0.220.0030.00615.43
7.0.210.0030.00615.43
7.0.200.0030.00915.99
7.0.190.0080.00815.39
7.0.180.0080.00315.35
7.0.170.0060.01015.16
7.0.160.0080.00415.38
7.0.150.0070.00715.44
7.0.140.0030.04318.84
7.0.130.0040.00815.56
7.0.120.0030.01015.50
7.0.110.0090.00615.34
7.0.100.0090.03017.48
7.0.90.0120.04817.67
7.0.80.0150.04017.62
7.0.70.0080.04817.75
7.0.60.0110.03717.67
7.0.50.0100.04317.93
7.0.40.0050.02716.75
7.0.30.0070.02516.76
7.0.20.0000.05116.74
7.0.10.0070.04316.89
7.0.00.0060.04616.85
5.6.380.0090.00914.11
5.6.370.0070.01014.38
5.6.360.0040.01114.05
5.6.350.0070.00714.33
5.6.340.0060.00314.40
5.6.330.0030.00614.38
5.6.320.0080.00314.40
5.6.310.0060.00914.28
5.6.300.0060.00614.09
5.6.290.0040.00414.13
5.6.280.0060.03917.74
5.6.270.0000.00814.23
5.6.260.0060.00614.41
5.6.250.0130.04017.50
5.6.240.0130.03717.40
5.6.230.0020.04817.42
5.6.220.0020.05017.64
5.6.210.0090.04617.39
5.6.200.0030.04917.59
5.6.190.0020.04517.50
5.6.180.0130.03617.80
5.6.170.0050.04717.72
5.6.160.0080.03817.60
5.6.150.0080.04817.55
5.6.140.0100.04317.80
5.6.130.0090.02317.69
5.6.120.0070.04617.75
5.6.110.0080.04017.58
5.6.100.0070.02517.80
5.6.90.0030.02717.68
5.6.80.0060.03717.32
5.6.70.0020.03717.39
5.6.60.0060.03917.39
5.6.50.0120.03517.39
5.6.40.0120.03617.32
5.6.30.0070.02017.43
5.6.20.0120.03817.31
5.6.10.0030.04217.32
5.6.00.0070.03817.12
5.5.380.0080.03915.64
5.5.370.0070.04115.88
5.5.360.0050.02715.56
5.5.350.0050.03015.87
5.5.340.0050.02716.02
5.5.330.0030.03016.05
5.5.320.0080.03915.96
5.5.310.0070.04316.10
5.5.300.0100.03915.90
5.5.290.0070.04116.08
5.5.280.0050.02316.09
5.5.270.0050.04416.17
5.5.260.0050.03915.97
5.5.250.0060.03615.95
5.5.240.0050.04315.66
5.5.230.0050.04215.72
5.5.220.0060.04115.67
5.5.210.0030.02915.64
5.5.200.0050.04215.54
5.5.190.0070.02715.73
5.5.180.0070.03715.73
5.5.170.0060.00310.93
5.5.160.0100.03815.57
5.5.150.0080.02215.55
5.5.140.0070.02815.56
5.5.130.0000.03515.54
5.5.120.0090.03515.55
5.5.110.0100.03715.60
5.5.100.0030.03315.63
5.5.90.0100.03815.60
5.5.80.0130.03915.49
5.5.70.0090.02115.67
5.5.60.0050.04015.42
5.5.50.0080.04015.64
5.5.40.0020.02115.46
5.5.30.0090.03415.55
5.5.20.0030.03915.69
5.5.10.0020.04615.51
5.5.00.0080.03515.61
5.4.450.0050.02515.27
5.4.440.0090.04015.34
5.4.430.0030.02815.19
5.4.420.0050.04515.23
5.4.410.0050.02315.20
5.4.400.0090.03915.03
5.4.390.0090.03515.13
5.4.380.0010.03814.85
5.4.370.0080.03714.90
5.4.360.0040.02514.95
5.4.350.0010.03615.14
5.4.340.0050.02615.25
5.4.330.0060.00610.96
5.4.320.0080.03315.31
5.4.310.0100.03514.91
5.4.300.0030.04415.26
5.4.290.0070.03715.22
5.4.280.0060.02315.17
5.4.270.0050.04415.10
5.4.260.0040.02515.20
5.4.250.0020.03715.04
5.4.240.0050.04214.94
5.4.230.0080.03915.18
5.4.220.0050.02115.11
5.4.210.0020.02314.81
5.4.200.0030.04615.10
5.4.190.0050.03515.04
5.4.180.0100.03315.05
5.4.170.0030.04015.05
5.4.160.0070.03814.96
5.4.150.0070.04015.02
5.4.140.0030.04013.63
5.4.130.0120.03313.74
5.4.120.0020.03513.67
5.4.110.0030.04413.79
5.4.100.0050.02813.78
5.4.90.0050.03313.77
5.4.80.0050.02013.75
5.4.70.0050.03913.70
5.4.60.0050.03913.77
5.4.50.0000.03913.79
5.4.40.0060.02313.67
5.4.30.0060.03413.78
5.4.20.0070.03713.62
5.4.10.0030.02813.71
5.4.00.0030.03813.26
5.3.290.0050.03212.66
5.3.280.0020.04912.55
5.3.270.0050.03812.66
5.3.260.0060.04112.51
5.3.250.0020.04312.51
5.3.240.0080.03612.56
5.3.230.0080.03812.47
5.3.220.0030.02412.66
5.3.210.0030.03512.57
5.3.200.0060.02412.49
5.3.190.0020.04112.54
5.3.180.0060.03812.63
5.3.170.0030.04112.66
5.3.160.0070.03912.58
5.3.150.0050.02312.52
5.3.140.0040.03712.62
5.3.130.0020.02912.50
5.3.120.0080.03112.48
5.3.110.0020.02612.60
5.3.100.0030.04312.33
5.3.90.0050.04612.37
5.3.80.0050.04112.31
5.3.70.0050.02012.13
5.3.60.0070.03512.15
5.3.50.0050.02912.27
5.3.40.0020.02812.20
5.3.30.0000.02312.18
5.3.20.0080.03512.01
5.3.10.0070.03111.92
5.3.00.0100.03411.96
5.2.170.0040.01710.35
5.2.160.0010.02510.34
5.2.150.0020.02110.30
5.2.140.0030.03510.31
5.2.130.0050.03010.34
5.2.120.0050.03510.35
5.2.110.0030.03110.31
5.2.100.0030.03610.27
5.2.90.0090.02810.21
5.2.80.0030.03310.29
5.2.70.0040.02610.33
5.2.60.0020.03210.25
5.2.50.0030.02510.30
5.2.40.0030.03310.16
5.2.30.0060.02710.27
5.2.20.0030.02310.21
5.2.10.0060.03210.15
5.2.00.0030.03410.12
5.1.60.0040.0289.67
5.1.50.0050.0159.76
5.1.40.0030.0329.75
5.1.30.0050.0309.91
5.1.20.0030.0309.84
5.1.10.0040.0279.80
5.1.00.0040.0279.82
5.0.50.0000.0249.04
5.0.40.0010.0168.94
5.0.30.0010.0218.90
5.0.20.0050.0228.90
5.0.10.0030.0218.90
5.0.00.0070.0308.90
4.4.90.0030.0178.90
4.4.80.0050.0118.90
4.4.70.0050.0168.90
4.4.60.0030.0178.90
4.4.50.0040.0108.90
4.4.40.0030.0288.90
4.4.30.0020.0188.90
4.4.20.0030.0108.90
4.4.10.0030.0178.90
4.4.00.0020.0298.90
4.3.110.0000.0188.90
4.3.100.0000.0158.90
4.3.90.0050.0128.90
4.3.80.0020.0158.90
4.3.70.0000.0148.90
4.3.60.0030.0148.90
4.3.50.0020.0178.90
4.3.40.0020.0158.90
4.3.30.0030.0208.90
4.3.20.0000.0128.90
4.3.10.0000.0118.90
4.3.00.0050.0168.90

preferences:
49.51 ms | 401 KiB | 5 Q