3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $a; function __construct($a) { $this->a = $a; } public function getA() { return $this->a; } } class B extends A { function __construct() { parent::__construct('foo'); } } var_dump($b = new B); class C extends A { function __construct(A $a) { $a->a = 'bar'; $this->a = 'baz'; } } var_dump(new C($b)); var_dump($b->getA());

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)
8.3.60.0130.00616.63
8.3.50.0120.00816.38
8.3.40.0090.00618.77
8.3.30.0070.00718.62
8.3.20.0070.00020.29
8.3.10.0080.00023.48
8.3.00.0040.00423.66
8.2.180.0100.01016.63
8.2.170.0150.00018.79
8.2.160.0140.00322.96
8.2.150.0080.00025.66
8.2.140.0070.00024.66
8.2.130.0070.00020.38
8.2.120.0080.00026.35
8.2.110.0070.01721.04
8.2.100.0110.00018.09
8.2.90.0000.01019.08
8.2.80.0050.00317.97
8.2.70.0100.00017.50
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0000.00720.55
8.2.30.0040.00420.85
8.2.20.0000.00717.93
8.2.10.0070.00017.99
8.2.00.0000.00717.94
8.1.280.0060.01325.92
8.1.270.0030.00522.11
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.67
8.1.230.0040.00820.39
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0040.00417.35
8.1.190.0050.00317.22
8.1.180.0070.00018.10
8.1.170.0030.00518.52
8.1.160.0050.00318.89
8.1.150.0000.00819.99
8.1.140.0000.00719.13
8.1.130.0030.00618.94
8.1.120.0030.00617.29
8.1.110.0000.00817.45
8.1.100.0050.00317.38
8.1.90.0000.00817.47
8.1.80.0000.00817.30
8.1.70.0050.00217.45
8.1.60.0000.01117.62
8.1.50.0080.00017.44
8.1.40.0040.00417.46
8.1.30.0060.00317.67
8.1.20.0030.00517.55
8.1.10.0040.00417.47
8.1.00.0050.00317.48
8.0.300.0080.00019.09
8.0.290.0080.00016.71
8.0.280.0040.00418.45
8.0.270.0000.00717.20
8.0.260.0060.00320.63
8.0.250.0030.00317.03
8.0.240.0080.00016.94
8.0.230.0040.00416.96
8.0.220.0070.00016.92
8.0.210.0000.00816.88
8.0.200.0040.00416.97
8.0.190.0060.00316.85
8.0.180.0070.00016.92
8.0.170.0020.00516.98
8.0.160.0000.00816.96
8.0.150.0070.00016.94
8.0.140.0000.00816.76
8.0.130.0030.00313.26
8.0.120.0040.00416.85
8.0.110.0040.00416.88
8.0.100.0040.00416.79
8.0.90.0050.00216.87
8.0.80.0070.01416.93
8.0.70.0040.00416.72
8.0.60.0000.00716.70
8.0.50.0000.00716.85
8.0.30.0080.01317.08
8.0.20.0110.00917.40
8.0.10.0030.00617.07
8.0.00.0130.00416.72
7.4.330.0000.00515.55
7.4.320.0030.00316.35
7.4.300.0030.00316.51
7.4.290.0040.00816.57
7.4.280.0000.00716.52
7.4.270.0000.00616.62
7.4.260.0000.00716.43
7.4.250.0000.00716.42
7.4.240.0000.00716.52
7.4.230.0070.00016.51
7.4.220.0060.01316.48
7.4.210.0080.01116.68
7.4.200.0000.00716.63
7.4.160.0090.00916.37
7.4.150.0070.01117.40
7.4.140.0080.01017.86
7.4.130.0080.00916.30
7.4.120.0070.01516.47
7.4.110.0030.01616.52
7.4.100.0070.01016.40
7.4.90.0100.00716.60
7.4.80.0100.00719.39
7.4.70.0110.01116.53
7.4.60.0060.01016.37
7.4.50.0030.01616.33
7.4.40.0070.01016.61
7.4.30.0100.00716.51
7.4.00.0080.00814.78
7.3.330.0000.00613.27
7.3.320.0060.00013.13
7.3.310.0070.00016.33
7.3.300.0070.00016.32
7.3.290.0080.00916.29
7.3.280.0120.00516.29
7.3.270.0120.00617.40
7.3.260.0070.00916.41
7.3.250.0080.01016.37
7.3.240.0150.00416.40
7.3.230.0170.00316.29
7.3.210.0060.01216.53
7.3.200.0110.01116.42
7.3.190.0090.00616.63
7.3.180.0080.00916.30
7.3.170.0040.01816.31
7.3.160.0070.01716.46
7.3.120.0110.00715.03
7.3.110.0070.01114.60
7.3.100.0100.00614.94
7.3.90.0060.01214.94
7.3.80.0030.01014.79
7.3.70.0070.00714.54
7.3.60.0100.00314.86
7.3.50.0070.00414.74
7.3.40.0080.00414.89
7.3.30.0060.00614.64
7.3.20.0050.00516.32
7.3.10.0040.01216.67
7.3.00.0060.00616.65
7.2.330.0070.01416.47
7.2.320.0030.01516.57
7.2.310.0140.01016.71
7.2.300.0150.00916.48
7.2.290.0030.01316.63
7.2.250.0100.01015.02
7.2.240.0100.00714.81
7.2.230.0090.00614.77
7.2.220.0090.00314.89
7.2.210.0000.01515.09
7.2.200.0060.00915.27
7.2.190.0030.00815.17
7.2.180.0030.00614.94
7.2.170.0070.00314.81
7.2.60.0070.00716.71
7.1.330.0030.01215.39
7.1.320.0000.01515.75
7.1.310.0100.00315.57
7.1.300.0040.00815.65
7.1.290.0000.00915.75
7.1.280.0000.01115.67
7.1.270.0060.00915.58
7.1.260.0090.00015.75
7.1.200.0040.00415.62
7.1.110.0830.01216.37
7.1.100.1290.00715.82
7.1.90.1230.00716.10
7.1.80.0910.01316.43
7.1.70.0860.01415.39
7.1.60.1170.01033.19
7.1.50.1370.01632.90
7.1.40.0900.01732.61
7.1.30.2250.02832.69
7.1.20.0620.01932.67
7.1.10.0950.01414.74
7.1.00.1700.01314.77
7.0.250.0670.01615.72
7.0.240.1180.01315.95
7.0.230.1290.01316.07
7.0.220.1060.01316.02
7.0.210.1370.01314.69
7.0.200.1520.01014.95
7.0.190.1400.00714.99
7.0.180.0890.01314.50
7.0.170.1740.01014.39
7.0.160.1240.00914.63
7.0.150.1130.01014.45
7.0.140.0580.01314.33
7.0.130.0430.01314.80
7.0.120.0080.01714.51
7.0.110.0900.01314.44
7.0.100.0090.01214.43
7.0.90.0180.01314.64
7.0.80.0060.01514.46
7.0.70.1340.01614.38
7.0.60.1280.00714.04
7.0.50.1270.01014.63
7.0.40.1660.01014.37
7.0.30.1440.01014.63
7.0.20.0330.01114.61
7.0.10.0040.01614.60
7.0.00.0120.00914.62

preferences:
60.91 ms | 400 KiB | 5 Q