3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private function __construct(){} private function __clone(){} private function __sleep(){} private function __wakeup(){} private static $instance; public static function getInstance() { if ( ! self::$instance) { self::$instance = new static(); } return self::$instance; } } $obj1 = Singleton::getInstance(); $obj2 = Singleton::getInstance(); var_dump(spl_object_hash($obj1) == spl_object_hash($obj2)); $cloner = function(){ return function(){ var_dump($this); return clone $this; }; }; $obj3 = null; $obj3 = $cloner->bindTo($obj1, 'Singleton')->__invoke(); var_dump($obj1, $obj3);

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)
8.3.60.0160.00018.43
8.3.50.0100.01021.21
8.3.40.0120.00318.67
8.3.30.0120.00919.22
8.3.20.0050.00220.35
8.3.10.0050.00321.97
8.3.00.0050.00320.71
8.2.180.0000.01916.75
8.2.170.0110.01122.96
8.2.160.0100.00719.05
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0120.00319.21
8.2.110.0060.00322.16
8.2.100.0110.00019.40
8.2.90.0030.00619.23
8.2.80.0000.00819.39
8.2.70.0030.00617.50
8.2.60.0060.00317.93
8.2.50.0050.00318.07
8.2.40.0000.00818.16
8.2.30.0040.00417.96
8.2.20.0000.00717.69
8.2.10.0040.00417.65
8.2.00.0050.00317.77
8.1.280.0070.01125.92
8.1.270.0080.00022.06
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00723.79
8.1.230.0110.00019.07
8.1.220.0030.00617.79
8.1.210.0000.00918.77
8.1.200.0000.00917.47
8.1.190.0000.00817.63
8.1.180.0060.00318.71
8.1.170.0030.00518.50
8.1.160.0070.00022.10
8.1.150.0040.00418.68
8.1.140.0040.00417.47
8.1.130.0000.00717.82
8.1.120.0040.00417.43
8.1.110.0040.00417.37
8.1.100.0030.00317.46
8.1.90.0040.00417.48
8.1.80.0050.00217.39
8.1.70.0000.00717.39
8.1.60.0040.00417.63
8.1.50.0040.00417.57
8.1.40.0000.00717.54
8.1.30.0040.00417.53
8.1.20.0060.00317.68
8.1.10.0000.00817.64
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0000.00817.18
8.0.280.0000.00718.41
8.0.270.0030.00317.16
8.0.260.0040.00416.78
8.0.250.0030.00317.01
8.0.240.0060.00317.00
8.0.230.0000.00716.94
8.0.220.0000.00716.98
8.0.210.0000.00716.99
8.0.200.0000.00617.05
8.0.190.0030.00416.95
8.0.180.0050.00217.04
8.0.170.0040.00417.03
8.0.160.0030.00616.96
8.0.150.0000.00716.79
8.0.140.0070.00016.84
8.0.130.0000.00713.40
8.0.120.0050.00316.85
8.0.110.0050.00316.87
8.0.100.0040.00416.85
8.0.90.0050.00316.81
8.0.80.0040.01217.04
8.0.70.0030.00516.81
8.0.60.0040.00416.98
8.0.50.0020.00516.85
8.0.30.0130.00617.24
8.0.20.0060.01117.40
8.0.10.0000.00716.92
8.0.00.0120.00816.94
7.4.330.0030.00315.00
7.4.320.0050.00316.62
7.4.300.0030.00316.63
7.4.290.0080.00016.62
7.4.280.0000.00916.49
7.4.270.0030.00316.54
7.4.260.0030.00316.60
7.4.250.0000.00816.46
7.4.240.0030.00416.62
7.4.230.0070.00016.70
7.4.220.0100.01016.64
7.4.210.0050.00916.55
7.4.200.0030.00316.70
7.4.190.0030.00316.43
7.4.160.0060.01016.38
7.4.150.0080.00917.40
7.4.140.0120.00817.86
7.4.130.0080.01316.43
7.4.120.0130.00516.47
7.4.110.0080.00816.57
7.4.100.0130.00616.51
7.4.90.0100.00716.59
7.4.80.0070.01019.39
7.4.70.0130.00916.55
7.4.60.0090.00916.62
7.4.50.0060.00016.47
7.4.40.0080.01122.77
7.4.30.0150.00716.68
7.4.00.0060.00914.61
7.3.330.0050.00313.33
7.3.320.0030.00313.26
7.3.310.0040.00416.36
7.3.300.0000.00716.20
7.3.290.0140.00016.28
7.3.280.0130.00316.28
7.3.270.0060.01217.40
7.3.260.0050.01516.53
7.3.250.0080.01216.30
7.3.240.0060.01116.61
7.3.230.0110.00716.39
7.3.210.0160.00016.52
7.3.200.0070.01619.39
7.3.190.0090.00916.45
7.3.180.0040.01216.55
7.3.170.0070.01016.39
7.3.160.0160.00516.54
7.3.120.0130.00314.63
7.3.110.0040.01414.62
7.3.100.0070.01014.78
7.3.90.0030.00914.80
7.3.80.0070.00714.75
7.3.70.0090.00314.82
7.3.60.0060.01214.81
7.3.50.0040.01115.01
7.3.40.0080.00614.76
7.3.30.0080.00814.88
7.3.20.0030.00716.64
7.3.10.0030.01016.51
7.3.00.0000.01316.54
7.2.330.0170.00316.64
7.2.320.0130.00416.75
7.2.310.0140.00316.37
7.2.300.0100.00716.41
7.2.290.0090.00616.79
7.2.240.0070.01014.93
7.2.230.0110.00715.23
7.2.220.0030.01014.94
7.2.210.0100.00315.21
7.2.200.0040.01215.12
7.2.190.0030.00715.15
7.2.180.0100.00314.93
7.2.170.0040.00715.04
7.2.160.0000.01415.13
7.2.150.0070.00716.70
7.2.140.0110.00717.19
7.2.130.0100.00316.98
7.2.120.0040.01117.06
7.2.110.0070.01116.85
7.2.100.0030.00716.94
7.2.90.0070.00716.96
7.2.80.0120.00317.00
7.2.70.0030.00916.58
7.2.60.0070.00816.83
7.2.50.0070.00716.96
7.2.40.0070.00717.04
7.2.30.0060.00916.94
7.2.20.0140.00016.90
7.2.10.0000.01416.84
7.2.00.0090.00718.08
7.1.330.0120.00415.69
7.1.320.0040.01415.43
7.1.310.0040.00715.76
7.1.300.0030.01315.66
7.1.290.0080.00615.94
7.1.280.0070.00715.69
7.1.270.0040.00815.46
7.1.260.0040.01115.48
7.1.250.0000.01315.55
7.1.200.0070.00315.73
7.1.100.0060.01017.89
7.1.70.0000.00917.11
7.1.60.0000.01419.82
7.1.50.0070.01016.93
7.1.00.0030.03322.30
7.0.200.0000.01116.88
7.0.140.0030.07322.00
7.0.60.0130.08019.98
7.0.50.0000.08717.89
7.0.40.0030.09320.20
7.0.30.0570.06020.13
7.0.20.0330.07720.20
7.0.10.0130.07720.22
7.0.00.0100.08020.10
5.6.280.0030.07321.05
5.6.210.0270.05320.77
5.6.200.0000.04718.25
5.6.190.0130.07720.48
5.6.180.0430.04320.57
5.6.170.0400.07320.47
5.6.160.0100.07320.47
5.6.150.0100.07718.28
5.6.140.0100.06718.23
5.6.130.0030.07018.14
5.6.120.0130.03321.11
5.6.110.0100.08720.98
5.6.100.0100.07020.99
5.6.90.0100.08321.14
5.6.80.0070.07320.52
5.6.70.2900.03720.45
5.5.350.0070.03320.42
5.5.340.0100.03718.08
5.5.330.0070.08020.13
5.5.320.0300.03320.17
5.5.310.0270.07720.28
5.5.300.0070.04717.98
5.5.290.0170.07017.97
5.5.280.0070.06720.91
5.5.270.0030.08720.78
5.5.260.0130.07020.77
5.5.250.0070.08020.48
5.5.240.0070.02720.17
5.4.450.0700.06019.61
5.4.440.0800.05319.58
5.4.430.0470.05319.38
5.4.420.0830.05019.55
5.4.410.1070.07319.34
5.4.400.1470.06318.80
5.4.390.1330.07018.63
5.4.380.0300.05018.61
5.4.370.0400.05018.71
5.4.360.0330.04318.51
5.4.350.0270.05318.63
5.4.340.0370.04718.52
5.4.320.0080.03412.52
5.4.310.0070.03612.51
5.4.300.0050.03912.51
5.4.290.0070.04512.51
5.4.280.0040.04412.41
5.4.270.0060.03512.41
5.4.260.0130.04719.10
5.4.250.0070.07318.75
5.4.240.0100.07319.00
5.4.230.0000.06019.04
5.4.220.0030.06318.77
5.4.210.0100.06018.84
5.4.200.0200.05319.01
5.4.190.0130.06718.80
5.4.180.0030.08018.90
5.4.170.0030.06019.06
5.4.160.0130.04718.93
5.4.150.0170.07318.79
5.4.140.0130.04316.45
5.4.130.0070.07016.44
5.4.120.0100.04716.64
5.4.110.0130.05016.54
5.4.100.0170.05716.68
5.4.90.0100.04716.67
5.4.80.0070.07016.45
5.4.70.0070.07016.41
5.4.60.0130.06316.55
5.4.50.0070.05316.54
5.4.40.0100.05016.59
5.4.30.0000.05716.63
5.4.20.0100.04716.47
5.4.10.0030.05716.43
5.4.00.0130.05715.83
5.3.290.0070.04412.80
5.3.280.0070.05714.69
5.3.270.0030.06014.70
5.3.260.0130.06714.70
5.3.250.0130.07014.84
5.3.240.0130.06014.52
5.3.230.0030.06314.61
5.3.220.0070.06314.57
5.3.210.0200.06014.76
5.3.200.0070.07014.75
5.3.190.0000.07014.67
5.3.180.0070.05014.64
5.3.170.0070.05014.66
5.3.160.0100.05714.76
5.3.150.0100.08014.41
5.3.140.0070.05014.58
5.3.130.0100.07314.74
5.3.120.0100.05314.65
5.3.110.0100.05314.73
5.3.100.0070.05314.02
5.3.90.0030.05014.04
5.3.80.0100.05314.11
5.3.70.0100.05014.02
5.3.60.0100.06014.00
5.3.50.0030.05714.06
5.3.40.0070.05314.18
5.3.30.0000.07014.01
5.3.20.0030.06313.61
5.3.10.0030.06713.74
5.3.00.0100.06013.75
5.2.170.0170.04711.22
5.2.160.0030.05711.22
5.2.150.0030.04311.37
5.2.140.0030.04311.14
5.2.130.0070.05011.18
5.2.120.0170.02711.09
5.2.110.0000.06011.18
5.2.100.0070.05011.27
5.2.90.0070.05711.19
5.2.80.0070.04011.05
5.2.70.0030.05011.18
5.2.60.0100.04010.89
5.2.50.0070.05311.12
5.2.40.0030.05710.90
5.2.30.0100.03711.06
5.2.20.0030.04310.86
5.2.10.0070.05310.86
5.2.00.0000.06010.82
5.1.60.0000.03710.07
5.1.50.0030.0379.96
5.1.40.0030.0509.82
5.1.30.0070.03310.50
5.1.20.0030.04010.43
5.1.10.0100.03710.16
5.1.00.0030.03710.27
5.0.50.0030.0308.66
5.0.40.0030.0408.66
5.0.30.0030.0478.66
5.0.20.0070.0308.66
5.0.10.0130.0238.66
5.0.00.0030.0438.66
4.4.90.0000.0278.66
4.4.80.0000.0308.66
4.4.70.0030.0278.66
4.4.60.0070.0208.66
4.4.50.0030.0238.66
4.4.40.0000.0378.66
4.4.30.0030.0238.66
4.4.20.0000.0238.66
4.4.10.0000.0278.66
4.4.00.0100.0278.66
4.3.110.0030.0278.66
4.3.100.0030.0238.66
4.3.90.0030.0278.66
4.3.80.0070.0408.66
4.3.70.0000.0238.66
4.3.60.0100.0208.66
4.3.50.0000.0308.66
4.3.40.0070.0408.66
4.3.30.0070.0238.66
4.3.20.0070.0278.66
4.3.10.0000.0238.66
4.3.00.0000.0236.88

preferences:
41.47 ms | 400 KiB | 5 Q