3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { private function __clone() { } private function __construct() { } public static function getInstance() { return new static(); } public function cloneIt() { $a = clone $this; return $a; } } class c extends a { } // private constructor $d = c::getInstance(); // private clone $e = $d->cloneIt();

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)
8.3.60.0000.01518.06
8.3.50.0100.00616.40
8.3.40.0090.00618.72
8.3.30.0170.00318.54
8.3.20.0000.00719.02
8.3.10.0040.00421.60
8.3.00.0000.00819.41
8.2.180.0060.01225.92
8.2.170.0070.01418.91
8.2.160.0110.00422.96
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0150.00019.66
8.2.110.0060.00322.22
8.2.100.0060.00619.45
8.2.90.0000.00920.64
8.2.80.0000.00919.24
8.2.70.0050.00317.50
8.2.60.0000.01019.35
8.2.50.0080.00017.50
8.2.40.0030.00517.93
8.2.30.0050.00319.27
8.2.20.0040.00418.05
8.2.10.0050.00218.05
8.2.00.0060.00317.87
8.1.280.0070.01425.92
8.1.270.0030.00720.65
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00922.01
8.1.230.0060.00620.84
8.1.220.0040.00417.74
8.1.210.0080.00018.78
8.1.200.0050.00317.36
8.1.190.0040.00417.11
8.1.180.0000.00818.10
8.1.170.0000.01017.62
8.1.160.0030.00318.95
8.1.150.0040.00418.84
8.1.140.0040.00419.51
8.1.130.0030.00318.84
8.1.120.0000.00817.38
8.1.110.0000.00817.28
8.1.100.0070.00017.45
8.1.90.0080.00317.46
8.1.80.0040.00417.40
8.1.70.0030.00317.43
8.1.60.0080.00017.60
8.1.50.0040.00417.43
8.1.40.0040.00417.41
8.1.30.0070.00017.48
8.1.20.0070.00017.68
8.1.10.0070.00017.48
8.1.00.0050.00317.34
8.0.300.0040.00419.88
8.0.290.0070.00016.63
8.0.280.0030.00318.27
8.0.270.0040.00416.76
8.0.260.0090.00016.79
8.0.250.0050.00516.80
8.0.240.0090.00016.79
8.0.230.0040.00416.81
8.0.220.0070.00016.79
8.0.210.0040.00416.67
8.0.200.0030.00316.78
8.0.190.0080.00016.91
8.0.180.0000.00816.89
8.0.170.0000.00716.79
8.0.160.0000.00716.86
8.0.150.0040.00416.77
8.0.140.0040.00416.68
8.0.130.0000.00713.27
8.0.120.0050.00316.82
8.0.110.0000.00716.70
8.0.100.0040.00416.90
8.0.90.0040.00416.79
8.0.80.0120.00916.81
8.0.70.0000.00716.87
8.0.60.0000.00716.71
8.0.50.0030.00516.82
8.0.30.0130.00817.10
8.0.20.0120.00617.40
8.0.10.0040.00416.94
8.0.00.0100.00716.66
7.4.330.0000.00515.55
7.4.320.0000.00616.53
7.4.300.0030.00316.40
7.4.290.0000.00816.52
7.4.280.0000.00716.59
7.4.270.0070.00016.52
7.4.260.0030.00316.48
7.4.250.0000.00716.39
7.4.240.0070.00016.52
7.4.230.0070.00016.35
7.4.220.0160.00016.45
7.4.210.0050.00916.56
7.4.200.0040.00416.42
7.4.160.0090.00716.46
7.4.150.0110.00717.40
7.4.140.0130.00917.86
7.4.130.0000.02016.63
7.4.120.0080.01016.50
7.4.110.0070.01116.56
7.4.100.0100.01016.41
7.4.90.0060.01616.29
7.4.80.0070.01019.39
7.4.70.0120.01116.33
7.4.60.0060.01216.59
7.4.50.0040.01516.44
7.4.40.0130.00316.57
7.4.30.0090.00616.39
7.4.00.0060.00914.87
7.3.330.0030.00313.22
7.3.320.0050.00013.12
7.3.310.0030.00316.28
7.3.300.0000.00716.34
7.3.290.0030.00316.33
7.3.280.0090.00716.27
7.3.270.0120.00617.40
7.3.260.0110.00816.32
7.3.250.0090.01016.24
7.3.240.0140.00616.33
7.3.230.0110.01116.47
7.3.210.0030.01516.42
7.3.200.0100.00616.64
7.3.190.0080.00816.53
7.3.180.0030.01316.22
7.3.170.0060.01016.22
7.3.160.0060.01016.36
7.3.120.0070.00914.92
7.3.110.0090.00714.74
7.3.100.0020.01314.86
7.3.90.0040.01114.72
7.3.80.0060.00814.78
7.3.70.0020.01214.88
7.3.60.0060.00714.70
7.3.50.0070.00514.57
7.3.40.0050.01014.67
7.3.30.0020.00914.74
7.3.20.0070.00516.51
7.3.10.0060.00716.60
7.3.00.0070.00416.56
7.2.330.0070.01016.61
7.2.320.0100.00616.54
7.2.310.0100.01416.54
7.2.300.0100.01316.33
7.2.290.0080.01516.51
7.2.250.0060.01014.91
7.2.240.0050.01015.14
7.2.230.0090.00514.67
7.2.220.0070.00714.96
7.2.210.0070.00714.98
7.2.200.0060.00814.95
7.2.190.0080.00614.75
7.2.180.0060.00714.94
7.2.170.0060.00614.96
7.2.160.0060.00614.64
7.2.150.0030.00716.58
7.2.140.0060.00616.90
7.2.130.0040.00816.76
7.2.120.0050.00716.64
7.2.110.0060.00616.85
7.2.100.0030.00816.71
7.2.90.0070.00716.84
7.2.80.0070.00816.85
7.2.70.0030.00916.78
7.2.60.0070.00716.75
7.2.50.0060.00516.68
7.2.40.0040.00916.86
7.2.30.0020.01116.79
7.2.20.0070.00416.83
7.2.10.0130.00716.93
7.2.00.0130.00917.59
7.1.330.0060.00615.56
7.1.320.0040.01115.55
7.1.310.0030.01115.65
7.1.300.0110.00215.73
7.1.290.0070.00715.75
7.1.280.0020.01015.52
7.1.270.0070.00515.66
7.1.260.0020.01215.66
7.1.250.0030.00915.52
7.1.200.0030.00915.71
7.1.130.0060.01416.89
7.1.120.0480.01317.52
7.1.110.0200.01417.03
7.1.100.0190.01117.41
7.1.90.0230.01017.13
7.1.80.0180.01017.32
7.1.70.0160.00716.49
7.1.60.0410.01733.80
7.1.50.0590.01833.45
7.1.40.0470.01932.60
7.1.30.0550.01533.22
7.1.20.0470.00833.25
7.1.10.0280.01315.25
7.1.00.0230.01415.47
7.0.270.0330.01116.43
7.0.260.0240.01317.26
7.0.250.0230.00816.72
7.0.240.0080.01116.61
7.0.230.0220.00916.71
7.0.220.0250.00816.66
7.0.210.0170.01015.49
7.0.200.0330.01015.45
7.0.190.0290.01115.38
7.0.180.0340.00614.92
7.0.170.0270.01514.92
7.0.160.0230.01114.88
7.0.150.0360.01115.02
7.0.140.0310.00915.06
7.0.130.0320.00915.24
7.0.120.0280.01215.24
7.0.110.0350.01214.91
7.0.100.0240.01015.07
7.0.90.0320.01414.55
7.0.80.0330.00915.14
7.0.70.0320.00915.15
7.0.60.0330.00814.88
7.0.50.0360.00915.00
7.0.40.0320.00815.13
7.0.30.0290.01215.14
7.0.20.0230.01215.15
7.0.10.0280.01115.17
7.0.00.0440.01015.10

preferences:
59.7 ms | 401 KiB | 5 Q