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)
8.3.60.0090.00918.18
8.3.50.0100.00716.23
8.3.40.0080.00818.59
8.3.30.0110.00418.55
8.3.20.0040.00418.98
8.3.10.0070.00021.69
8.3.00.0040.00419.41
8.2.180.0090.00916.38
8.2.170.0040.01122.96
8.2.160.0070.00720.53
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0070.00020.34
8.2.120.0040.00426.35
8.2.110.0100.00022.10
8.2.100.0060.00617.72
8.2.90.0080.00019.09
8.2.80.0060.00317.97
8.2.70.0030.00617.50
8.2.60.0040.00417.68
8.2.50.0060.00318.10
8.2.40.0050.00322.32
8.2.30.0000.00819.17
8.2.20.0000.00718.00
8.2.10.0040.00417.91
8.2.00.0000.00717.84
8.1.280.0040.01425.92
8.1.270.0050.00223.88
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00721.20
8.1.230.0120.00017.52
8.1.220.0040.00417.74
8.1.210.0050.00518.77
8.1.200.0040.00417.35
8.1.190.0040.00417.21
8.1.180.0030.00618.10
8.1.170.0000.00818.51
8.1.160.0040.00418.93
8.1.150.0000.00718.83
8.1.140.0040.00419.54
8.1.130.0000.00718.77
8.1.120.0000.00717.30
8.1.110.0040.00417.29
8.1.100.0000.00717.29
8.1.90.0050.00617.36
8.1.80.0000.00717.34
8.1.70.0030.00517.43
8.1.60.0030.00517.47
8.1.50.0040.00417.51
8.1.40.0030.00517.58
8.1.30.0050.00217.53
8.1.20.0000.00717.62
8.1.10.0000.00817.51
8.1.00.0000.00817.52
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.37
8.0.270.0070.00017.20
8.0.260.0000.00716.75
8.0.250.0030.00316.88
8.0.240.0050.00316.90
8.0.230.0030.00316.88
8.0.220.0000.00716.73
8.0.210.0070.00016.88
8.0.200.0030.00316.76
8.0.190.0040.00416.77
8.0.180.0090.00016.86
8.0.170.0000.00716.75
8.0.160.0070.00016.89
8.0.150.0050.00216.79
8.0.140.0000.00816.85
8.0.130.0050.00213.21
8.0.120.0080.00016.82
8.0.110.0040.00416.77
8.0.100.0000.00716.71
8.0.90.0000.00716.89
8.0.80.0120.00816.79
8.0.70.0030.00516.78
8.0.60.0000.00716.70
8.0.50.0070.00016.76
8.0.30.0130.00717.16
8.0.20.0110.00917.40
8.0.10.0000.00716.82
8.0.00.0140.00316.71
7.4.330.0030.00315.55
7.4.320.0070.00016.37
7.4.300.0000.00616.64
7.4.290.0090.00016.46
7.4.280.0030.00516.64
7.4.270.0040.00416.60
7.4.260.0050.00316.58
7.4.250.0040.00416.54
7.4.240.0070.00016.46
7.4.230.0000.00716.62
7.4.220.0120.00316.51
7.4.210.0060.00916.47
7.4.200.0030.00316.70
7.4.160.0080.00716.59
7.4.150.0140.00317.40
7.4.140.0130.00817.86
7.4.130.0070.01116.47
7.4.120.0090.00916.37
7.4.110.0070.01716.59
7.4.100.0060.00916.46
7.4.90.0030.01316.50
7.4.80.0100.00719.39
7.4.70.0120.00616.32
7.4.60.0040.01216.50
7.4.50.0040.01416.48
7.4.40.0000.01716.33
7.4.30.0090.01216.50
7.4.10.0000.01914.96
7.4.00.0070.01015.00
7.3.330.0000.00513.27
7.3.320.0050.00013.07
7.3.310.0030.00316.34
7.3.300.0020.00516.18
7.3.290.0020.00516.28
7.3.280.0080.00916.26
7.3.270.0120.00617.40
7.3.260.0070.01116.22
7.3.250.0110.00816.38
7.3.240.0090.00916.42
7.3.230.0110.00616.07
7.3.210.0070.01016.54
7.3.200.0130.00316.52
7.3.190.0090.00816.57
7.3.180.0110.01116.21
7.3.170.0030.01416.36
7.3.160.0130.00316.25
7.3.130.0060.00914.88
7.3.120.0090.00714.81
7.3.110.0020.01414.71
7.3.100.0020.01114.57
7.3.90.0090.00614.84
7.3.80.0050.01214.84
7.3.70.0030.01014.62
7.3.60.0090.00514.90
7.3.50.0060.00814.73
7.3.40.0030.01214.65
7.3.30.0090.00414.57
7.3.20.0070.00516.70
7.3.10.0070.00516.33
7.3.00.0080.00516.60
7.2.330.0090.00916.52
7.2.320.0090.00916.38
7.2.310.0100.01016.43
7.2.300.0110.00716.30
7.2.290.0090.00916.71
7.2.260.0120.00615.03
7.2.250.0020.01514.79
7.2.240.0070.01114.91
7.2.230.0050.00815.12
7.2.220.0110.00114.95
7.2.210.0030.01214.87
7.2.200.0090.00514.98
7.2.190.0060.00514.83
7.2.180.0070.00714.93
7.2.170.0060.01114.91
7.2.160.0080.00415.05
7.2.150.0070.00716.82
7.2.140.0070.00716.89
7.2.130.0040.01116.49
7.2.120.0030.00916.64
7.2.110.0030.01016.97
7.2.100.0050.00516.83
7.2.90.0060.00316.55
7.2.80.0100.00016.89
7.2.70.0030.01016.81
7.2.60.0050.00916.85
7.2.50.0070.01016.75
7.2.40.0040.00916.85
7.2.30.0070.01116.91
7.2.20.0070.01016.89
7.2.10.0040.00716.91
7.2.00.0030.01018.02
7.1.330.0060.00915.64
7.1.320.0060.01015.59
7.1.310.0070.00715.75
7.1.300.0070.00515.56
7.1.290.0050.00715.58
7.1.280.0060.01015.74
7.1.270.0030.00915.64
7.1.260.0080.00415.69
7.1.250.0030.00615.79
7.1.240.0090.00315.58
7.1.230.0060.00315.40
7.1.220.0060.00915.59
7.1.210.0130.00315.79
7.1.200.0030.00715.71
7.1.190.0060.00315.79
7.1.180.0120.00315.89
7.1.170.0100.00715.62
7.1.160.0030.01015.64
7.1.150.0060.01215.80
7.1.140.0070.01115.46
7.1.130.0030.00915.68
7.1.120.0040.01415.54
7.1.110.0030.01315.85
7.1.100.0050.01016.72
7.1.90.0080.00815.57
7.1.80.0060.00315.84
7.1.70.0080.00916.46
7.1.60.1180.01724.30
7.1.50.1290.00924.17
7.1.40.1290.00924.13
7.1.30.1630.01224.16
7.1.20.1270.00724.06
7.1.10.1140.00815.16
7.1.00.1280.01015.12
7.0.330.0080.00615.32
7.0.320.0060.00615.32
7.0.310.0000.01415.38
7.0.300.0080.00815.26
7.0.290.0060.00615.39
7.0.280.0070.01015.22
7.0.270.0000.01315.47
7.0.260.0060.01015.38
7.0.250.0000.01715.13
7.0.240.0060.00915.26
7.0.230.0030.00615.39
7.0.220.0000.01315.57
7.0.210.0070.00415.41
7.0.200.1360.01014.96
7.0.190.1580.01015.07
7.0.180.1100.01614.83
7.0.170.1560.00714.71
7.0.160.1370.00714.86
7.0.150.1120.01014.81
7.0.140.1200.01215.00
7.0.130.1000.01515.04
7.0.120.1050.01314.97
7.0.110.1080.00714.83
7.0.100.1000.00814.86
7.0.90.1110.00714.94
7.0.80.1360.00814.90
7.0.70.1370.00714.84
7.0.60.1330.00814.69
7.0.50.1600.00715.05
7.0.40.1420.01314.12
7.0.30.1390.00814.09
7.0.20.1220.00814.13
7.0.10.1200.00913.86
7.0.00.1430.00713.92
5.6.400.0100.00314.21
5.6.390.0110.00714.53
5.6.380.0000.01514.15
5.6.370.0030.00614.28
5.6.360.0060.00914.38
5.6.350.0000.01014.21
5.6.340.0030.01614.08
5.6.330.0030.01014.18
5.6.320.0030.01414.27
5.6.310.0030.00914.39
5.6.300.0100.00714.47
5.6.290.0100.00014.56
5.6.280.0110.00314.07
5.6.270.0030.01014.27
5.6.260.0000.01314.30
5.6.250.0080.00314.32
5.6.240.0070.00714.59
5.6.230.0080.00814.46
5.6.220.0080.00814.23
5.6.210.0000.01314.02
5.6.200.0030.01314.18
5.6.190.0000.01614.19
5.6.180.0000.01414.57
5.6.170.0060.00614.25
5.6.160.0060.00314.25
5.6.150.0060.00614.23
5.6.140.0040.01114.32
5.6.130.0040.00714.02
5.6.120.0040.00414.22
5.6.110.0030.00714.41
5.6.100.0080.00514.24
5.6.90.0140.00014.18
5.6.80.0090.00314.18
5.6.70.0030.01014.34
5.6.60.0100.00314.22
5.6.50.0110.00014.02
5.6.40.0000.01213.93
5.6.30.0060.00814.38
5.6.20.0110.00314.36
5.6.10.0040.00714.26
5.6.00.0080.00814.20

preferences:
45.75 ms | 401 KiB | 5 Q