3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance = null; final private function __construct() {} final private function __clone() {} final private function __sleep() {} final private function __invoke() {} public static function getInstance() { if (!self::$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)
8.3.60.0180.00318.68
8.3.50.0110.01122.11
8.3.40.0070.00718.88
8.3.30.0070.00720.34
8.3.20.0040.00420.21
8.3.10.0040.00422.14
8.3.00.0080.00022.49
8.2.180.0180.00016.63
8.2.170.0000.01422.96
8.2.160.0000.01420.47
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00926.16
8.2.120.0050.00319.66
8.2.110.0030.00622.25
8.2.100.0110.00019.23
8.2.90.0000.00819.09
8.2.80.0040.00419.34
8.2.70.0030.00617.61
8.2.60.0060.00317.93
8.2.50.0050.00318.07
8.2.40.0000.00818.14
8.2.30.0000.00817.99
8.2.20.0040.00417.66
8.2.10.0060.00317.64
8.2.00.0000.00817.74
8.1.280.0120.00325.92
8.1.270.0050.00224.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.93
8.1.230.0070.00419.05
8.1.220.0090.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0040.00417.53
8.1.180.0080.00020.20
8.1.170.0000.00818.48
8.1.160.0040.00422.19
8.1.150.0040.00418.67
8.1.140.0060.00317.39
8.1.130.0060.00017.85
8.1.120.0000.00817.39
8.1.110.0000.00717.48
8.1.100.0020.00517.37
8.1.90.0050.00317.52
8.1.80.0040.00417.38
8.1.70.0000.00717.49
8.1.60.0050.00317.50
8.1.50.0040.00417.52
8.1.40.0060.00317.58
8.1.30.0030.00617.58
8.1.20.0040.00417.60
8.1.10.0050.00217.58
8.1.00.0070.00317.41
8.0.300.0000.00718.77
8.0.290.0000.00817.18
8.0.280.0000.00718.51
8.0.270.0030.00317.34
8.0.260.0030.00318.42
8.0.250.0030.00416.98
8.0.240.0080.00017.01
8.0.230.0000.00717.04
8.0.220.0040.00416.91
8.0.210.0040.00416.91
8.0.200.0030.00317.05
8.0.190.0030.00616.94
8.0.180.0120.00017.03
8.0.170.0080.00016.92
8.0.160.0000.00716.84
8.0.150.0040.00416.92
8.0.140.0050.00216.98
8.0.130.0020.00513.36
8.0.120.0040.00416.98
8.0.110.0050.00216.80
8.0.100.0000.00816.98
8.0.90.0000.00716.86
8.0.80.0090.01216.87
8.0.70.0040.00416.96
8.0.60.0040.00417.03
8.0.50.0040.00417.03
8.0.30.0110.00817.09
8.0.20.0170.00117.41
8.0.10.0050.00217.04
8.0.00.0100.00816.77
7.4.330.0000.00615.00
7.4.320.0060.00016.52
7.4.300.0050.00316.62
7.4.290.0030.00316.52
7.4.280.0070.00016.60
7.4.270.0020.00516.57
7.4.260.0030.00316.58
7.4.250.0040.00416.46
7.4.240.0040.00416.64
7.4.230.0030.00316.48
7.4.220.0100.00716.56
7.4.210.0070.00916.57
7.4.200.0040.00416.63
7.4.190.0070.00016.56
7.4.160.0100.01016.44
7.4.150.0110.00617.40
7.4.140.0090.00817.86
7.4.130.0060.01316.54
7.4.120.0150.00216.65
7.4.110.0130.01016.50
7.4.100.0100.01016.62
7.4.90.0070.01116.63
7.4.80.0040.01619.39
7.4.70.0110.00616.63
7.4.60.0070.01116.39
7.4.50.0050.00316.57
7.4.40.0080.00422.77
7.4.30.0130.00716.56
7.4.10.0060.00916.43
7.4.00.0100.00715.41
7.3.330.0000.00513.23
7.3.320.0000.00513.20
7.3.310.0070.00016.37
7.3.300.0030.00316.39
7.3.290.0030.01016.39
7.3.280.0100.00716.33
7.3.270.0100.00717.40
7.3.260.0090.01616.33
7.3.250.0120.00816.37
7.3.240.0170.00016.57
7.3.230.0030.01716.55
7.3.210.0150.00616.31
7.3.200.0080.00819.39
7.3.190.0130.01016.65
7.3.180.0060.01016.23
7.3.170.0110.00616.29
7.3.160.0140.00416.36
7.3.130.0100.01016.66
7.3.120.0060.01115.31
7.3.110.0060.00815.64
7.3.100.0110.00415.45
7.3.90.0050.01015.57
7.3.80.0060.01115.60
7.3.70.0060.00615.56
7.3.60.0100.00415.60
7.3.50.0060.00815.61
7.3.40.0030.01415.56
7.3.30.0070.00615.60
7.3.20.0060.00717.43
7.3.10.0080.00617.30
7.3.00.0060.00717.22
7.2.330.0100.01016.52
7.2.320.0180.00616.75
7.2.310.0060.01616.68
7.2.300.0130.01016.79
7.2.290.0170.00016.51
7.2.260.0100.01016.40
7.2.250.0100.01015.83
7.2.240.0030.01515.71
7.2.230.0060.00915.73
7.2.220.0050.01215.81
7.2.210.0080.00815.84
7.2.200.0020.01015.73
7.2.190.0020.01015.76
7.2.180.0070.00715.78
7.2.170.0030.01115.84
7.2.160.0040.01116.48
7.2.150.0040.01518.59
7.2.140.0130.00018.43
7.2.130.0090.00918.39
7.2.120.0040.01118.52
7.2.110.0000.01318.38
7.2.100.0030.01218.52
7.2.90.0040.01518.24
7.2.80.0070.00718.50
7.2.70.0060.00618.45
7.2.60.0080.00717.54
7.2.50.0060.00818.38
7.2.40.0080.00818.55
7.2.30.0140.00318.33
7.2.20.0040.00818.52
7.2.10.0030.00918.29
7.2.00.0080.00818.82
7.1.330.0070.01016.44
7.1.320.0050.01116.48
7.1.310.0120.00316.44
7.1.300.0060.00516.55
7.1.290.0050.00916.56
7.1.280.0060.00816.52
7.1.270.0090.00316.38
7.1.260.0060.00616.54
7.1.250.0030.01417.21
7.1.240.0090.00317.21
7.1.230.0070.01017.28
7.1.220.0140.00317.29
7.1.210.0080.00317.25
7.1.200.0090.00416.51
7.1.190.0040.00717.36
7.1.180.0000.01517.33
7.1.170.0030.01517.25
7.1.160.0060.01117.25
7.1.150.0070.01117.29
7.1.140.0000.01417.18
7.1.130.0070.00317.26
7.1.120.0070.00717.37
7.1.110.0030.00617.16
7.1.100.0070.01117.49
7.1.90.0070.00717.25
7.1.80.0040.01117.18
7.1.70.0030.00817.27
7.1.60.0040.01217.26
7.1.50.0150.00617.06
7.1.40.0060.00617.19
7.1.30.0130.00017.11
7.1.20.0090.00617.42
7.1.10.0060.00617.45
7.1.00.0020.03119.92
7.0.330.0030.00616.86
7.0.320.0040.01117.03
7.0.310.0040.01117.16
7.0.300.0030.01316.80
7.0.290.0030.01517.00
7.0.280.0070.00717.05
7.0.270.0040.01217.13
7.0.260.0060.00616.96
7.0.250.0060.00317.18
7.0.240.0000.01416.95
7.0.230.0000.01517.00
7.0.220.0060.00617.25
7.0.210.0060.00616.98
7.0.200.0050.00716.89
7.0.190.0000.01416.98
7.0.180.0090.00617.07
7.0.170.0070.00717.19
7.0.160.0070.01017.11
7.0.150.0030.01016.99
7.0.140.0030.04319.56
7.0.130.0040.01117.12
7.0.120.0030.01017.13
7.0.110.0000.01017.00
7.0.100.0090.04318.52
7.0.90.0050.03518.43
7.0.80.0080.04518.68
7.0.70.0070.04018.53
7.0.60.0110.02118.50
7.0.50.0050.04318.54
7.0.40.0100.04217.45
7.0.30.0090.03317.59
7.0.20.0090.01717.50
7.0.10.0050.03917.52
7.0.00.0030.04517.47
5.6.400.0100.00716.04
5.6.390.0040.01116.06
5.6.380.0140.00315.98
5.6.370.0070.00716.14
5.6.360.0030.01216.04
5.6.350.0080.00816.30
5.6.340.0000.01516.00
5.6.330.0040.01515.82
5.6.320.0060.00615.95
5.6.310.0040.01116.02
5.6.300.0030.00716.02
5.6.290.0050.00516.20
5.6.280.0070.04018.57
5.6.270.0100.00616.27
5.6.260.0030.00715.96
5.6.250.0070.04518.19
5.6.240.0030.03318.37
5.6.230.0090.04018.26
5.6.220.0020.05218.32
5.6.210.0070.03918.35
5.6.200.0080.04318.36
5.6.190.0050.04018.39
5.6.180.0050.04818.46
5.6.170.0090.04018.54
5.6.160.0050.04318.46
5.6.150.0080.04218.60
5.6.140.0140.04018.46
5.6.130.0050.04718.41
5.6.120.0100.04218.50
5.6.110.0100.04118.54
5.6.100.0060.05018.57
5.6.90.0050.05218.36
5.6.80.0050.04518.05
5.6.70.0050.04918.23
5.6.60.0030.04218.06
5.6.50.0150.02518.14
5.6.40.0050.02318.16
5.6.30.0080.04318.19
5.6.20.0030.04118.20
5.6.10.0090.02018.18
5.6.00.0050.02518.19
5.5.380.0100.04118.07
5.5.370.0100.04618.01
5.5.360.0070.02818.09
5.5.350.0060.04518.15
5.5.340.0080.04618.35
5.5.330.0050.04518.27
5.5.320.0090.02518.28
5.5.310.0090.03618.42
5.5.300.0070.04618.50
5.5.290.0140.03218.16
5.5.280.0180.03418.25
5.5.270.0070.04718.45
5.5.260.0070.04318.20
5.5.250.0070.04418.25
5.5.240.0080.03817.99
5.5.230.0080.02917.97
5.5.220.0070.04517.98
5.5.210.0090.03917.92
5.5.200.0020.03517.87
5.5.190.0130.03618.04
5.5.180.0080.02418.01
5.5.170.0030.01415.82
5.5.160.0030.04818.01
5.5.150.0060.03617.99
5.5.140.0000.03118.09
5.5.130.0080.02218.01
5.5.120.0060.02418.09
5.5.110.0030.02417.91
5.5.100.0050.02317.83
5.5.90.0030.02217.92
5.5.80.0080.02017.95
5.5.70.0050.02217.81
5.5.60.0050.03717.88
5.5.50.0030.02417.91
5.5.40.0040.02117.85
5.5.30.0040.02317.91
5.5.20.0080.02017.94
5.5.10.0080.02017.90
5.5.00.0100.04017.94
5.4.450.0070.04016.00
5.4.440.0050.04916.12
5.4.430.0100.03716.06
5.4.420.0000.03216.09
5.4.410.0070.04016.00
5.4.400.0060.04115.92
5.4.390.0120.03715.96
5.4.380.0080.03915.92
5.4.370.0090.03415.80
5.4.360.0030.04015.88
5.4.350.0060.02115.76
5.4.340.0050.02715.90
5.4.330.0080.00412.63
5.4.320.0050.03515.73
5.4.310.0030.02315.88
5.4.300.0030.02415.92
5.4.290.0080.02216.01
5.4.280.0030.02515.90
5.4.270.0050.02215.73
5.4.260.0050.02015.78
5.4.250.0040.02215.74
5.4.240.0050.03915.75
5.4.230.0060.02015.77
5.4.220.0030.02815.84
5.4.210.0000.02315.56
5.4.200.0050.01915.82
5.4.190.0000.02615.70
5.4.180.0020.02515.82
5.4.170.0070.01915.87
5.4.160.0070.02815.78
5.4.150.0100.02015.82
5.4.140.0030.02014.57
5.4.130.0050.03914.45
5.4.120.0000.02414.64
5.4.110.0040.02214.51
5.4.100.0080.02314.47
5.4.90.0070.02314.50
5.4.80.0050.02014.49
5.4.70.0040.01914.56
5.4.60.0090.01514.58
5.4.50.0030.02314.55
5.4.40.0050.02114.61
5.4.30.0050.02214.53
5.4.20.0100.01314.64
5.4.10.0080.01814.60
5.4.00.0090.01514.30
5.3.290.0050.02514.16
5.3.280.0050.02414.24
5.3.270.0050.02314.13
5.3.260.0000.02314.22
5.3.250.0030.02014.16
5.3.240.0040.02514.11
5.3.230.0060.02014.19
5.3.220.0060.02014.12
5.3.210.0020.02914.15
5.3.200.0070.02014.17
5.3.190.0020.02414.17
5.3.180.0040.02114.19
5.3.170.0030.02014.20
5.3.160.0070.01814.21
5.3.150.0020.02514.21
5.3.140.0050.04314.18
5.3.130.0070.02214.23
5.3.120.0060.02214.16
5.3.110.0050.02314.19
5.3.100.0020.02514.15
5.3.90.0040.01814.34
5.3.80.0050.02014.12
5.3.70.0020.02614.16
5.3.60.0040.02214.15
5.3.50.0070.01814.27
5.3.40.0030.04414.16
5.3.30.0080.01814.11
5.3.20.0050.02214.12
5.3.10.0070.03414.01
5.3.00.0050.03114.03
5.2.170.0000.03715.56
5.2.160.0000.05315.56
5.2.150.0030.02715.56
5.2.140.0130.04315.56
5.2.130.0000.04015.56
5.2.120.0070.02315.56
5.2.110.0070.05315.56
5.2.100.0070.06015.56
5.2.90.0070.05715.56
5.2.80.0030.04315.56
5.2.70.0070.05715.56
5.2.60.0070.05715.56
5.2.50.0030.05715.56
5.2.40.0030.06715.56
5.2.30.0130.05715.56
5.2.20.0030.04015.56
5.2.10.0100.05015.56
5.2.00.0000.06315.56
5.1.60.0070.03715.56
5.1.50.0070.05315.56
5.1.40.0030.05315.56
5.1.30.0070.05715.56
5.1.20.0070.04315.56
5.1.10.0030.02715.56
5.1.00.0070.05015.56
5.0.50.0000.03015.56
5.0.40.0100.03715.56
5.0.30.0000.06715.56
5.0.20.0000.04015.56
5.0.10.0030.04015.56
5.0.00.0030.05715.56
4.4.90.0030.03715.56
4.4.80.0030.02015.56
4.4.70.0030.02715.56
4.4.60.0070.03015.56
4.4.50.0030.04015.56
4.4.40.0030.05315.56
4.4.30.0030.03015.56
4.4.20.0070.03315.56
4.4.10.0030.03715.56
4.4.00.0070.05015.56
4.3.110.0000.03715.56
4.3.100.0100.02715.56
4.3.90.0030.03315.56
4.3.80.0070.05015.56
4.3.70.0000.02015.56
4.3.60.0030.02715.56
4.3.50.0030.03015.56
4.3.40.0000.05015.56
4.3.30.0000.02015.56
4.3.20.0030.03715.56
4.3.10.0030.03015.56
4.3.00.0030.02315.56

preferences:
51.31 ms | 400 KiB | 5 Q