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(){ return clone $this; }; }; $obj3 = null; $obj3 = $cloner->bindTo($obj1)->__invoke(); var_dump(spl_object_hash($obj1) == spl_object_hash($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)
8.3.70.0110.01116.50
8.3.60.0060.00918.68
8.3.50.0130.00521.14
8.3.40.0070.00718.79
8.3.30.0040.01119.08
8.3.20.0000.00720.34
8.3.10.0040.00422.09
8.3.00.0070.00020.69
8.2.190.0190.00017.00
8.2.180.0120.00316.88
8.2.170.0180.00322.96
8.2.160.0100.00319.07
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0030.00619.27
8.2.110.0090.00920.95
8.2.100.0090.00317.91
8.2.90.0030.00619.14
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0100.00018.16
8.2.30.0040.00418.10
8.2.20.0030.00617.73
8.2.10.0060.00317.70
8.2.00.0040.00417.80
8.1.280.0070.01125.92
8.1.270.0080.00022.14
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0060.00322.25
8.1.230.0070.00718.81
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00917.53
8.1.180.0050.00520.46
8.1.170.0050.00518.64
8.1.160.0000.00722.17
8.1.150.0060.00618.64
8.1.140.0000.00717.50
8.1.130.0030.00317.89
8.1.120.0040.00417.54
8.1.110.0080.00017.49
8.1.100.0000.00717.38
8.1.90.0040.00417.55
8.1.80.0000.00717.37
8.1.70.0070.00017.45
8.1.60.0030.00617.68
8.1.50.0030.00517.46
8.1.40.0070.00017.57
8.1.30.0000.00817.56
8.1.20.0000.00817.69
8.1.10.0000.00717.61
8.1.00.0050.00317.58
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0030.00318.39
8.0.270.0050.00217.20
8.0.260.0000.00616.91
8.0.250.0070.00017.08
8.0.240.0080.00017.09
8.0.230.0050.00216.97
8.0.220.0030.00316.92
8.0.210.0070.00017.01
8.0.200.0000.00717.04
8.0.190.0080.00016.94
8.0.180.0000.00816.99
8.0.170.0080.00016.92
8.0.160.0050.00317.00
8.0.150.0050.00316.98
8.0.140.0000.00716.95
8.0.130.0000.00713.41
8.0.120.0040.00416.84
8.0.110.0000.00816.97
8.0.100.0030.00516.86
8.0.90.0040.00416.77
8.0.80.0060.01216.96
8.0.70.0050.00216.79
8.0.60.0050.00317.02
8.0.50.0040.00417.05
8.0.30.0080.01017.22
8.0.20.0080.01117.40
8.0.10.0000.00717.14
8.0.00.0110.00916.88
7.4.330.0030.00315.00
7.4.320.0000.00616.49
7.4.300.0030.00316.62
7.4.290.0000.00716.65
7.4.280.0000.00716.62
7.4.270.0000.00616.55
7.4.260.0050.00216.61
7.4.250.0060.00316.39
7.4.240.0070.00016.66
7.4.230.0030.00316.29
7.4.220.0100.00716.57
7.4.210.0050.01216.54
7.4.200.0030.00316.74
7.4.190.0040.00416.76
7.4.160.0030.01316.46
7.4.150.0090.00917.40
7.4.140.0130.00517.86
7.4.130.0110.00916.66
7.4.120.0110.00916.56
7.4.110.0090.00916.68
7.4.100.0090.00916.56
7.4.90.0100.01016.51
7.4.80.0170.00719.39
7.4.70.0100.00716.36
7.4.60.0000.01816.67
7.4.50.0040.00416.51
7.4.40.0100.00722.77
7.4.30.0180.00316.48
7.4.00.0120.00315.07
7.3.330.0050.00213.32
7.3.320.0050.00013.31
7.3.310.0020.00516.21
7.3.300.0040.00416.27
7.3.290.0100.01016.32
7.3.280.0110.00516.29
7.3.270.0160.00917.40
7.3.260.0000.02116.41
7.3.250.0110.00716.48
7.3.240.0100.00616.30
7.3.230.0100.01016.39
7.3.210.0030.01416.51
7.3.200.0140.00419.39
7.3.190.0130.00316.27
7.3.180.0030.01816.33
7.3.170.0070.01016.27
7.3.160.0130.00716.28
7.3.120.0060.00914.41
7.2.330.0120.00916.47
7.2.320.0120.00616.79
7.2.310.0070.01316.59
7.2.300.0040.01916.63
7.2.290.0100.00716.81
7.2.00.0080.00419.33
7.1.100.0110.00418.30
7.1.70.0000.00716.99
7.1.60.0100.01319.82
7.1.50.0070.01716.63
7.1.00.0000.03722.30
7.0.200.0030.00516.73
7.0.140.0030.07321.94
7.0.60.0030.08019.87
7.0.50.0100.06317.93
7.0.40.0130.06320.13
7.0.30.0400.04020.22
7.0.20.0270.04020.34
7.0.10.0070.05020.22
7.0.00.0030.04720.09
5.6.280.0130.06320.94
5.6.210.0100.07320.54
5.6.200.0070.03718.25
5.6.190.0100.08020.41
5.6.180.0400.08020.77
5.6.170.0270.05320.57
5.6.160.0000.08720.57
5.6.150.0070.05718.23
5.6.140.0100.07718.17
5.6.130.0130.07718.15
5.6.120.0070.04021.00
5.6.110.0070.04321.00
5.6.100.0100.07720.99
5.6.90.0030.04721.02
5.6.80.0070.08320.55
5.5.350.2730.04720.44
5.5.340.0070.03717.99
5.5.330.0030.04720.40
5.5.320.0100.07720.31
5.5.310.0300.05720.30
5.5.300.0100.04017.98
5.5.290.0030.05717.93
5.5.280.0100.05720.67
5.5.270.0030.04320.86
5.5.260.0230.06020.77
5.5.250.0100.07720.56
5.5.240.0200.06720.17
5.4.450.3700.04719.49
5.4.440.4130.02719.20
5.4.430.3570.04019.18
5.4.420.3400.03719.54
5.4.410.3300.03319.27
5.4.400.3270.03019.09
5.4.390.3430.03018.98
5.4.380.3570.03718.98
5.4.370.3470.03719.15
5.4.360.2730.03719.15
5.4.350.2730.03019.25
5.4.340.0130.04319.08
5.4.320.0100.04718.98
5.4.310.0230.04318.99
5.4.300.0400.05719.20
5.4.290.0400.06319.15
5.4.280.0300.04719.18
5.4.270.0300.04019.17
5.4.260.0200.04718.85
5.4.250.0370.07018.84
5.4.240.0300.04718.93
5.4.230.0270.05319.16
5.4.220.0230.05319.02
5.4.210.0300.06719.08
5.4.200.0230.04019.05
5.4.190.0200.03719.12
5.4.180.0270.04719.15
5.4.170.0300.04319.08
5.4.160.0270.05018.97
5.4.150.0270.07018.96
5.4.140.0270.04716.55
5.4.130.0300.03316.38
5.4.120.0330.05716.43
5.4.110.0270.03316.50
5.4.100.0200.03716.65
5.4.90.0330.04016.61
5.4.80.0370.05716.59
5.4.70.0270.05716.39
5.4.60.0330.03716.32
5.4.50.0330.06316.55
5.4.40.0270.04716.55
5.4.30.0270.03716.25
5.4.20.0370.06016.27
5.4.10.0270.05716.33
5.4.00.0370.05315.73
5.3.290.0270.05014.60
5.3.280.0270.04314.52
5.3.270.0230.04014.67
5.3.260.0270.07014.61
5.3.250.0200.04314.63
5.3.240.0300.07314.52
5.3.230.0170.04014.62
5.3.220.0300.05314.74
5.3.210.0270.07014.66
5.3.200.0300.05714.60
5.3.190.0330.07014.63
5.3.180.0270.06714.48
5.3.170.0270.05314.55
5.3.160.0200.03714.59
5.3.150.0230.07314.57
5.3.140.0270.07314.56
5.3.130.0270.07014.50
5.3.120.0270.04014.71
5.3.110.0230.04014.72
5.3.100.0200.04714.02
5.3.90.0200.05014.25
5.3.80.0430.02713.93
5.3.70.0270.07014.11
5.3.60.0330.06014.03
5.3.50.0230.06013.97
5.3.40.0300.06014.13
5.3.30.0230.04713.86
5.3.20.0230.04313.79
5.3.10.0170.05013.59
5.3.00.0270.06713.88
5.2.170.0200.03011.05
5.2.160.0230.03011.20
5.2.150.0200.03011.11
5.2.140.0170.03011.07
5.2.130.0200.03011.27
5.2.120.0230.05311.03
5.2.110.0200.03311.11
5.2.100.0200.05711.27
5.2.90.0230.06010.99
5.2.80.0200.05011.10
5.2.70.0230.04711.05
5.2.60.0300.04311.03
5.2.50.0200.04311.07
5.2.40.0130.05010.90
5.2.30.0270.05011.13
5.2.20.0230.02710.96
5.2.10.0200.03011.02
5.2.00.0230.02310.63
5.1.60.0130.0309.93
5.1.50.0170.0339.91
5.1.40.0230.0509.96
5.1.30.0200.04710.30
5.1.20.0100.03710.29
5.1.10.0170.02310.20
5.1.00.0130.0309.98
5.0.50.0030.0238.50
5.0.40.0030.0238.39
5.0.30.0070.0308.11
5.0.20.0030.0238.09
5.0.10.0070.0208.26
5.0.00.0170.0208.05
4.4.90.0030.0376.40
4.4.80.0130.0176.40
4.4.70.0100.0176.40
4.4.60.0170.0106.40
4.4.50.0070.0206.40
4.4.40.0100.0276.40
4.4.30.0130.0136.40
4.4.20.0130.0176.40
4.4.10.0100.0136.40
4.4.00.0030.0276.40
4.3.110.0030.0176.40
4.3.100.0100.0176.40
4.3.90.0030.0176.40
4.3.80.0030.0306.40
4.3.70.0130.0106.40
4.3.60.0030.0176.40
4.3.50.0030.0176.40
4.3.40.0070.0236.40
4.3.30.0000.0176.40
4.3.20.0030.0276.40
4.3.10.0030.0406.40
4.3.00.0070.0136.40

preferences:
68.67 ms | 401 KiB | 5 Q