3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { private function __clone() { echo 'a'; } 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)
8.3.60.0140.00718.30
8.3.50.0150.00616.47
8.3.40.0090.00618.54
8.3.30.0120.00318.59
8.3.20.0050.00318.98
8.3.10.0050.00321.91
8.3.00.0090.00019.35
8.2.180.0140.00716.50
8.2.170.0080.00622.96
8.2.160.0100.00320.53
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00720.32
8.2.120.0040.00426.35
8.2.110.0030.00721.18
8.2.100.0080.00317.78
8.2.90.0040.00419.23
8.2.80.0030.00517.97
8.2.70.0050.00317.50
8.2.60.0000.00917.90
8.2.50.0000.00918.10
8.2.40.0000.00922.18
8.2.30.0080.00019.20
8.2.20.0040.00418.00
8.2.10.0050.00217.89
8.2.00.0000.00718.10
8.1.280.0070.01125.92
8.1.270.0040.00423.91
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0090.00319.28
8.1.230.0110.00019.23
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0030.00517.35
8.1.180.0000.00718.10
8.1.170.0030.00518.50
8.1.160.0040.00418.96
8.1.150.0040.00418.79
8.1.140.0040.00419.48
8.1.130.0030.00318.79
8.1.120.0040.00317.30
8.1.110.0000.00717.39
8.1.100.0000.00717.38
8.1.90.0030.00517.42
8.1.80.0030.00317.46
8.1.70.0000.00717.30
8.1.60.0060.00317.56
8.1.50.0080.00017.57
8.1.40.0000.00817.53
8.1.30.0000.00817.70
8.1.20.0040.00417.51
8.1.10.0040.00417.61
8.1.00.0000.00817.52
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.36
8.0.270.0020.00517.32
8.0.260.0000.00716.71
8.0.250.0070.00016.94
8.0.240.0030.00516.90
8.0.230.0030.00616.79
8.0.220.0030.00316.79
8.0.210.0070.00016.71
8.0.200.0030.00316.76
8.0.190.0060.00316.89
8.0.180.0000.00716.88
8.0.170.0050.00216.77
8.0.160.0040.00316.85
8.0.150.0040.00416.73
8.0.140.0070.00016.84
8.0.130.0000.00713.18
8.0.120.0040.00416.84
8.0.110.0000.00816.86
8.0.100.0070.00016.82
8.0.90.0040.00416.83
8.0.80.0090.00916.85
8.0.70.0040.00416.70
8.0.60.0040.00416.94
8.0.50.0030.00416.82
8.0.30.0110.00916.93
8.0.20.0110.00717.40
8.0.10.0040.00417.07
8.0.00.0090.00916.89
7.4.330.0000.00515.55
7.4.320.0030.00316.47
7.4.300.0000.00716.47
7.4.290.0000.01016.61
7.4.280.0040.00416.52
7.4.270.0040.00416.64
7.4.260.0030.00316.61
7.4.250.0040.00416.45
7.4.240.0030.00316.61
7.4.230.0030.00316.31
7.4.220.0070.01016.59
7.4.210.0040.01116.53
7.4.200.0070.00016.39
7.4.160.0070.01016.52
7.4.150.0090.00917.40
7.4.140.0160.00417.86
7.4.130.0130.00516.54
7.4.120.0130.00716.56
7.4.110.0060.01316.73
7.4.100.0080.00816.49
7.4.90.0110.00616.55
7.4.80.0130.00619.39
7.4.70.0150.00616.64
7.4.60.0070.01116.60
7.4.50.0110.00616.38
7.4.40.0150.00616.50
7.4.30.0060.01016.63
7.4.00.0090.00914.82
7.3.330.0000.00513.30
7.3.320.0050.00013.37
7.3.310.0070.00016.26
7.3.300.0070.00016.17
7.3.290.0070.00016.17
7.3.280.0080.00916.28
7.3.270.0070.01817.40
7.3.260.0120.00516.43
7.3.250.0120.00916.34
7.3.240.0080.01016.38
7.3.230.0130.00316.55
7.3.210.0100.00716.27
7.3.200.0080.00816.33
7.3.190.0060.00916.18
7.3.180.0060.00916.37
7.3.170.0100.00616.34
7.3.160.0070.01016.22
7.2.330.0090.00916.38
7.2.320.0030.01316.72
7.2.310.0040.01416.32
7.2.300.0090.01216.34
7.2.290.0140.00316.77
7.2.60.0100.00316.74
7.2.00.0140.00719.36
7.1.200.0070.00015.58
7.1.100.0060.00618.05
7.1.70.0090.00917.07
7.1.60.2730.01033.26
7.1.50.2800.01333.00
7.1.40.2600.01732.45
7.1.30.2870.01732.63
7.1.20.2430.02332.65
7.1.10.1930.01314.55
7.1.00.1970.01714.76
7.0.200.4030.01714.66
7.0.190.3630.01314.92
7.0.180.2570.01314.36
7.0.170.3570.01314.20
7.0.160.2770.01014.38
7.0.150.2100.01014.42
7.0.140.2070.01314.53
7.0.130.2330.00314.56
7.0.120.2430.00314.35
7.0.110.2070.01014.54
7.0.100.1770.01014.14
7.0.90.1670.01314.34
7.0.80.1930.01014.40
7.0.70.1970.00314.36
7.0.60.1700.01314.11
7.0.50.1870.01714.67
7.0.40.2230.01714.62
7.0.30.2330.01714.60
7.0.20.2100.01714.43
7.0.10.1930.01314.57
7.0.00.1770.01014.60

preferences:
60.94 ms | 400 KiB | 5 Q