3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance = null; final private function __construct() {} final private function __clone() {} final private function __sleep() {} private function __invoke() {} public static function getInstance() { if (!self::$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)
8.3.60.0030.01718.68
8.3.50.0120.00621.99
8.3.40.0210.00018.78
8.3.30.0070.00720.38
8.3.20.0040.00420.34
8.3.10.0040.00422.14
8.3.00.0070.00022.46
8.2.180.0070.01518.41
8.2.170.0170.00322.96
8.2.160.0100.00320.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00926.16
8.2.120.0080.00019.66
8.2.110.0060.00322.33
8.2.100.0090.00319.28
8.2.90.0000.00819.21
8.2.80.0000.00819.38
8.2.70.0050.00417.50
8.2.60.0040.00418.05
8.2.50.0000.00818.07
8.2.40.0000.00718.09
8.2.30.0040.00418.17
8.2.20.0000.00717.76
8.2.10.0000.00817.63
8.2.00.0040.00417.78
8.1.280.0140.00425.92
8.1.270.0000.00824.66
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00423.68
8.1.230.0050.00519.22
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0050.00517.35
8.1.190.0040.00417.64
8.1.180.0080.00020.20
8.1.170.0060.00318.51
8.1.160.0070.00022.03
8.1.150.0070.00018.64
8.1.140.0030.00617.47
8.1.130.0000.00717.80
8.1.120.0030.00317.45
8.1.110.0070.00017.38
8.1.100.0030.00517.55
8.1.90.0040.00417.52
8.1.80.0000.00717.36
8.1.70.0040.00417.46
8.1.60.0090.00017.64
8.1.50.0000.00817.53
8.1.40.0050.00317.56
8.1.30.0050.00317.68
8.1.20.0080.00017.65
8.1.10.0000.00717.59
8.1.00.0030.00917.49
8.0.300.0040.00418.77
8.0.290.0070.00017.18
8.0.280.0000.00718.46
8.0.270.0000.00717.27
8.0.260.0060.00018.50
8.0.250.0000.00717.04
8.0.240.0050.00216.99
8.0.230.0000.00717.03
8.0.220.0000.00716.88
8.0.210.0070.00016.96
8.0.200.0030.00316.96
8.0.190.0040.00417.03
8.0.180.0070.00616.99
8.0.170.0000.00816.89
8.0.160.0030.00316.94
8.0.150.0030.00316.81
8.0.140.0030.00516.97
8.0.130.0060.00013.47
8.0.120.0040.00416.84
8.0.110.0040.00416.94
8.0.100.0050.00316.84
8.0.90.0040.00416.93
8.0.80.0130.00716.93
8.0.70.0040.00416.99
8.0.60.0000.00716.77
8.0.50.0040.00417.07
8.0.30.0120.00717.10
8.0.20.0090.01017.40
8.0.10.0040.00416.94
8.0.00.0060.01316.77
7.4.330.0060.00015.00
7.4.320.0030.00316.52
7.4.300.0070.00316.57
7.4.290.0030.00316.44
7.4.280.0030.00316.62
7.4.270.0050.00216.66
7.4.260.0030.00316.50
7.4.250.0040.00416.62
7.4.240.0020.00516.53
7.4.230.0070.00016.55
7.4.220.0070.01116.52
7.4.210.0090.00616.58
7.4.200.0030.00516.32
7.4.190.0000.00716.69
7.4.160.0090.00616.57
7.4.150.0070.01017.40
7.4.140.0100.00817.86
7.4.130.0130.00716.58
7.4.120.0110.00616.64
7.4.110.0000.01716.69
7.4.100.0140.00316.54
7.4.90.0100.01016.59
7.4.80.0100.00619.39
7.4.70.0060.01716.49
7.4.60.0060.00916.43
7.4.50.0080.00016.43
7.4.40.0070.00722.77
7.4.30.0060.01116.47
7.4.00.0040.01115.03
7.3.330.0060.00013.37
7.3.320.0050.00013.23
7.3.310.0040.00716.21
7.3.300.0000.00716.37
7.3.290.0040.01016.38
7.3.280.0100.00816.36
7.3.270.0130.00317.40
7.3.260.0150.00916.50
7.3.250.0110.00816.42
7.3.240.0070.01016.43
7.3.230.0060.01216.41
7.3.210.0070.01016.41
7.3.200.0100.00719.39
7.3.190.0070.01016.49
7.3.180.0040.01116.30
7.3.170.0090.00616.30
7.3.160.0120.00416.38
7.3.120.0000.01514.99
7.3.10.0070.00716.70
7.3.00.0090.00316.54
7.2.330.0140.00616.70
7.2.320.0140.01116.84
7.2.310.0090.01016.52
7.2.300.0080.01216.78
7.2.290.0150.00316.83
7.2.130.0030.01416.96
7.2.120.0070.00316.70
7.2.110.0130.00317.06
7.2.100.0060.00316.86
7.2.90.0060.00916.80
7.2.80.0070.00716.77
7.2.70.0110.00416.73
7.2.60.0030.01016.86
7.2.50.0100.00316.73
7.2.40.0030.01017.13
7.2.30.0080.00416.81
7.2.20.0000.01417.15
7.2.10.0000.01017.00
7.2.00.0090.00518.13
7.1.250.0040.00815.82
7.1.240.0070.00715.59
7.1.230.0030.01015.67
7.1.220.0080.00015.68
7.1.210.0050.00815.59
7.1.200.0100.00315.68
7.1.190.0110.00415.57
7.1.180.0040.00815.60
7.1.170.0040.00415.49
7.1.160.0030.00915.74
7.1.150.0000.00915.47
7.1.140.0100.00315.56
7.1.130.0040.01115.69
7.1.120.0120.00315.82
7.1.110.0130.00015.81
7.1.100.0070.01016.60
7.1.90.0070.00315.83
7.1.80.0100.00315.65
7.1.70.0020.00916.58
7.1.60.0080.00817.56
7.1.50.0040.01416.31
7.1.40.0100.00615.52
7.1.30.0030.00715.77
7.1.20.0070.00415.72
7.1.10.0070.00715.75
7.1.00.0040.02919.10
7.0.330.0060.00615.44
7.0.320.0070.00315.49
7.0.310.0030.01015.28
7.0.300.0040.00815.29
7.0.290.0070.00315.30
7.0.280.0060.00315.16
7.0.270.0030.00615.48
7.0.260.0060.00315.38
7.0.250.0030.01215.13
7.0.240.0000.00815.17
7.0.230.0060.00615.54
7.0.220.0030.01015.54
7.0.210.0040.01115.52
7.0.200.0020.00916.04
7.0.190.0070.00415.54
7.0.180.0030.01015.24
7.0.170.0070.00315.17
7.0.160.0000.00915.53
7.0.150.0030.01015.37
7.0.140.0020.04518.77
7.0.130.0030.00715.27
7.0.120.0080.00415.34
7.0.110.0060.00915.53
7.0.100.0040.01115.53
7.0.90.0070.00715.04
7.0.80.0030.01015.66
7.0.70.0060.00615.39
7.0.60.0080.04017.68
7.0.50.0050.04316.57
7.0.40.0050.03916.82
7.0.30.0230.02016.88
7.0.20.0170.04016.70
7.0.10.0170.02816.80
7.0.00.0030.04716.72
5.6.380.0070.00314.52
5.6.370.0040.01114.44
5.6.360.0030.01014.57
5.6.350.0040.01114.57
5.6.340.0090.00314.18
5.6.330.0150.00014.36
5.6.320.0030.00714.43
5.6.310.0060.00714.51
5.6.300.0030.01114.59
5.6.290.0100.00314.63
5.6.280.0050.04117.84
5.6.270.0100.00314.30
5.6.260.0030.01014.46
5.6.250.0040.00914.32
5.6.240.0000.01314.50
5.6.230.0070.00714.46
5.6.220.0040.00714.18
5.6.210.0030.04717.46
5.6.200.0090.03416.36
5.6.190.0030.02817.38
5.6.180.0050.03017.44
5.6.170.0210.04117.48
5.6.160.0050.04917.34
5.6.150.0070.02616.24
5.6.140.0070.02716.20
5.6.130.0070.02216.18
5.6.120.0030.03017.73
5.6.110.0100.02017.60
5.6.100.0030.02817.58
5.6.90.0100.04017.76
5.6.80.0050.04817.30
5.6.70.0170.02217.32
5.6.60.0030.01214.21
5.6.50.0110.00314.09
5.6.40.0030.01414.23
5.6.30.0040.00814.21
5.6.20.0090.00314.29
5.6.10.0070.00714.38
5.6.00.0100.00314.10
5.5.380.0000.00910.89
5.5.370.0030.00611.17
5.5.360.0090.00011.38
5.5.350.0020.04215.78
5.5.340.0030.03814.63
5.5.330.0030.02915.71
5.5.320.0200.04015.61
5.5.310.0210.03215.84
5.5.300.0090.03114.63
5.5.290.0060.03414.67
5.5.280.0100.03715.90
5.5.270.0030.02615.98
5.5.260.0100.03816.00
5.5.250.0080.01815.93
5.5.240.0060.03815.63
5.5.230.0030.00711.19
5.5.220.0030.00610.85
5.5.210.0070.00411.23
5.5.200.0030.00311.13
5.5.190.0070.00011.39
5.5.180.0060.00610.91
5.5.170.0080.00411.32
5.5.160.0030.00611.03
5.5.150.0000.01110.71
5.5.140.0070.00311.41
5.5.130.0060.00610.96
5.5.120.0000.01110.75
5.5.110.0080.00311.35
5.5.100.0030.00910.77
5.5.90.0030.00311.31
5.5.80.0060.00611.45
5.5.70.0030.00310.72
5.5.60.0000.01011.32
5.5.50.0080.00011.31
5.5.40.0060.00311.24
5.5.30.0000.01111.00
5.5.20.0030.00910.79
5.5.10.0030.00711.20
5.5.00.0030.00911.11
5.4.450.0330.02815.37
5.4.440.0480.03215.53
5.4.430.0420.02715.15
5.4.420.0420.02515.42
5.4.410.0460.02515.16
5.4.400.0730.03015.01
5.4.390.0590.02215.02
5.4.380.0080.03514.90
5.4.370.0050.03414.90
5.4.360.0100.02514.78
5.4.350.0070.01811.56
5.4.340.0060.02411.41
5.4.330.0000.00811.20
5.4.320.0060.02211.77
5.4.310.0060.02011.62
5.4.300.0070.02411.90
5.4.290.0020.02511.70
5.4.280.0050.02211.74
5.4.270.0060.02311.70
5.4.260.0040.03211.77
5.4.250.0040.02211.70
5.4.240.0050.03514.87
5.4.230.0110.03014.99
5.4.220.0050.03215.08
5.4.210.0070.02914.87
5.4.200.0100.03415.12
5.4.190.0050.03214.65
5.4.180.0070.02815.12
5.4.170.0080.03914.87
5.4.160.0080.03014.81
5.4.150.0080.03514.86
5.4.140.0030.03414.01
5.4.130.0030.03313.72
5.4.120.0050.03513.83
5.4.110.0030.03113.77
5.4.100.0100.02313.68
5.4.90.0070.04113.93
5.4.80.0100.02513.88
5.4.70.0050.02513.80
5.4.60.0050.03213.66
5.4.50.0110.02713.82
5.4.40.0050.02913.74
5.4.30.0000.04513.93
5.4.20.0060.02813.86
5.4.10.0070.03413.72
5.4.00.0050.03013.40
5.3.290.0040.03311.59
5.3.280.0050.02812.34
5.3.270.0030.03312.50
5.3.260.0070.03212.34
5.3.250.0080.02912.53
5.3.240.0090.02912.33
5.3.230.0090.02612.47
5.3.220.0070.03012.41
5.3.210.0030.03412.37
5.3.200.0100.02412.39
5.3.190.0050.02712.47
5.3.180.0090.03712.61
5.3.170.0080.03512.47
5.3.160.0070.03212.55
5.3.150.0080.02812.61
5.3.140.0060.03412.56
5.3.130.0070.03812.45
5.3.120.0120.03312.43
5.3.110.0120.03012.43
5.3.100.0100.03012.29
5.3.90.0030.03312.16
5.3.80.0050.03212.12
5.3.70.0050.02912.27
5.3.60.0020.03612.27
5.3.50.0080.02812.18
5.3.40.0120.02012.16
5.3.30.0050.03512.00
5.3.20.0080.02311.97
5.3.10.0030.03711.98
5.3.00.0070.03011.83
5.2.170.0050.02710.28
5.2.160.0030.02310.34
5.2.150.0050.02510.44
5.2.140.0070.02310.31
5.2.130.0020.02510.27
5.2.120.0060.02310.32
5.2.110.0050.02210.35
5.2.100.0040.02210.16
5.2.90.0070.02210.20
5.2.80.0050.02310.01
5.2.70.0020.02610.27
5.2.60.0100.01810.05
5.2.50.0120.01710.17
5.2.40.0100.01710.12
5.2.30.0020.0249.99
5.2.20.0050.02410.03
5.2.10.0030.03110.06
5.2.00.0030.0349.85
5.1.60.0050.0259.11
5.1.50.0050.0229.08
5.1.40.0030.0209.17
5.1.30.0050.0269.37
5.1.20.0000.0319.41
5.1.10.0050.0189.13
5.1.00.0020.0209.21
5.0.50.0020.0198.83
5.0.40.0040.0158.83
5.0.30.0030.0228.83
5.0.20.0030.0148.83
5.0.10.0040.0148.83
5.0.00.0060.0268.83
4.4.90.0030.0118.83
4.4.80.0000.0158.83
4.4.70.0030.0108.83
4.4.60.0020.0138.83
4.4.50.0070.0088.83
4.4.40.0060.0228.83
4.4.30.0060.0138.83
4.4.20.0050.0108.83
4.4.10.0030.0158.83
4.4.00.0020.0208.83
4.3.110.0090.0118.83
4.3.100.0070.0058.83
4.3.90.0040.0108.83
4.3.80.0070.0188.83
4.3.70.0030.0108.83
4.3.60.0020.0128.83
4.3.50.0020.0138.83
4.3.40.0030.0168.83
4.3.30.0020.0138.83
4.3.20.0000.0138.83
4.3.10.0040.0158.83
4.3.00.0010.0137.25

preferences:
39.06 ms | 401 KiB | 5 Q