3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { private function __clone() { echo 'aaa'; } private function __construct() { echo 'bbb'; } 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)
8.3.60.0150.00618.56
8.3.50.0120.00916.34
8.3.40.0070.00718.50
8.3.30.0110.00418.67
8.3.20.0040.00419.02
8.3.10.0040.00421.94
8.3.00.0080.00019.41
8.2.180.0170.00316.63
8.2.170.0110.00322.96
8.2.160.0100.00320.47
8.2.150.0080.00024.18
8.2.140.0060.00924.66
8.2.130.0040.00420.53
8.2.120.0040.00426.35
8.2.110.0080.00321.04
8.2.100.0060.00617.64
8.2.90.0000.00819.26
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0050.00317.93
8.2.50.0060.00318.10
8.2.40.0040.00422.32
8.2.30.0080.00019.25
8.2.20.0000.00818.06
8.2.10.0000.00717.96
8.2.00.0000.00718.07
8.1.270.0000.00723.82
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00321.22
8.1.230.0080.00317.42
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0000.00817.35
8.1.190.0060.00317.23
8.1.180.0000.00718.10
8.1.170.0000.00818.46
8.1.160.0000.00718.94
8.1.150.0000.00718.70
8.1.140.0000.00719.50
8.1.130.0040.00418.75
8.1.120.0040.00317.31
8.1.110.0000.00817.37
8.1.100.0000.00717.42
8.1.90.0030.00517.28
8.1.80.0030.00317.43
8.1.70.0050.00217.43
8.1.60.0040.00417.48
8.1.50.0040.00417.54
8.1.40.0000.00717.42
8.1.30.0030.00617.48
8.1.20.0070.00017.56
8.1.10.0080.00017.54
8.1.00.0050.00317.49
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.45
8.0.270.0040.00417.30
8.0.260.0040.00416.89
8.0.250.0030.00316.78
8.0.240.0060.00316.86
8.0.230.0050.00316.97
8.0.220.0040.00416.77
8.0.210.0030.00316.74
8.0.200.0030.00316.85
8.0.190.0090.00016.76
8.0.180.0080.00016.85
8.0.170.0030.00416.77
8.0.160.0070.00016.76
8.0.150.0030.00716.64
8.0.140.0040.00416.78
8.0.130.0000.00713.23
8.0.120.0000.00716.69
8.0.110.0040.00416.62
8.0.100.0050.00216.85
8.0.90.0040.00416.71
8.0.80.0060.01216.81
8.0.70.0050.00216.72
8.0.60.0040.00416.73
8.0.50.0030.00516.71
8.0.30.0080.01117.06
8.0.20.0130.00717.40
8.0.10.0070.00016.96
8.0.00.0110.00716.62
7.4.330.0000.00515.55
7.4.320.0040.00416.52
7.4.300.0000.00616.52
7.4.290.0070.00316.52
7.4.280.0040.00416.55
7.4.270.0030.00316.53
7.4.260.0030.00316.52
7.4.250.0040.00416.47
7.4.240.0070.00016.52
7.4.230.0070.00016.56
7.4.220.0080.00816.56
7.4.210.0110.00716.56
7.4.200.0030.00316.66
7.4.160.0110.00816.51
7.4.150.0140.01017.40
7.4.140.0100.00917.86
7.4.130.0130.01316.58
7.4.120.0130.00816.48
7.4.110.0070.01016.74
7.4.100.0190.00316.59
7.4.90.0090.00916.40
7.4.80.0030.01319.39
7.4.70.0120.00616.30
7.4.60.0060.01016.43
7.4.50.0060.00616.49
7.4.40.0090.00916.30
7.4.30.0070.01016.50
7.4.00.0030.01015.05
7.3.330.0000.00513.30
7.3.320.0000.00613.24
7.3.310.0000.00716.20
7.3.300.0000.00716.35
7.3.290.0070.00016.31
7.3.280.0070.01016.30
7.3.270.0150.00617.40
7.3.260.0150.00316.39
7.3.250.0120.00816.41
7.3.240.0060.01316.38
7.3.230.0100.00716.28
7.3.210.0100.00616.27
7.3.200.0060.01016.38
7.3.190.0080.00816.62
7.3.180.0120.00316.60
7.3.170.0110.01116.21
7.3.160.0070.00816.21
7.2.330.0110.00716.70
7.2.320.0100.00716.54
7.2.310.0060.01216.34
7.2.300.0070.01016.71
7.2.290.0150.00916.85
7.2.60.0100.00716.90
7.2.00.0060.01318.93
7.1.200.0000.01115.62
7.1.100.0070.00318.04
7.1.70.0100.00317.06
7.1.60.2370.02333.23
7.1.50.2770.01333.03
7.1.40.3200.01332.50
7.1.30.4570.01732.55
7.1.20.2770.02732.53
7.1.10.2530.01314.84
7.1.00.3100.01014.80
7.0.200.3600.00714.95
7.0.190.3530.01314.58
7.0.180.3030.01314.51
7.0.170.4270.01314.27
7.0.160.4200.00314.25
7.0.150.2500.01014.47
7.0.140.3200.00714.40
7.0.130.2930.01314.82
7.0.120.2670.01714.52
7.0.110.3070.02014.38
7.0.100.3070.01314.32
7.0.90.3230.01014.43
7.0.80.3170.01714.46
7.0.70.3000.01314.49
7.0.60.3100.00714.36
7.0.50.3500.01314.34
7.0.40.3230.01014.48
7.0.30.3170.01014.79
7.0.20.2930.01314.43
7.0.10.2770.00314.75
7.0.00.2230.01014.50

preferences:
50.68 ms | 400 KiB | 5 Q