3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $name = 'Dog'; } class B extends A { public $clean = true; } class C extends B { public $happy = true; } function doStuff1(A &$classA) { $classA = new B(); } function doStuff2(B &$classB) { $classB = new C(); } $class = new A(); doStuff1($class); doStuff2($class); var_dump($class);

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)
8.4.120.0110.00920.59
8.4.110.0140.00622.19
8.4.100.0120.00817.55
8.4.90.0130.00618.64
8.4.80.0120.00717.89
8.4.70.0130.00717.71
8.4.60.0110.01018.66
8.4.50.0100.01120.25
8.4.40.0190.00017.59
8.4.30.0130.00620.40
8.4.20.0030.01721.24
8.4.10.0090.00019.30
8.3.250.0020.00618.95
8.3.240.0120.00716.66
8.3.230.0120.00716.27
8.3.220.0120.00717.15
8.3.210.0110.00616.80
8.3.200.0040.00516.68
8.3.190.0070.01118.90
8.3.180.0130.00816.66
8.3.170.0100.01017.20
8.3.160.0100.00318.93
8.3.150.0150.00317.00
8.3.140.0090.00916.44
8.3.130.0410.01016.42
8.3.120.0430.00416.21
8.3.110.0340.00316.27
8.3.100.0360.00416.33
8.3.90.0190.00416.18
8.3.80.0170.00716.18
8.3.70.0200.00516.18
8.3.60.0180.00616.18
8.3.50.0230.00016.18
8.3.40.0090.00917.16
8.3.30.0180.00017.18
8.3.20.0170.00317.18
8.3.10.0210.00017.19
8.3.00.0190.00417.47
8.2.290.0120.00720.21
8.2.280.0110.00618.14
8.2.270.0030.01616.80
8.2.260.0040.01116.96
8.2.250.0140.00716.65
8.2.240.0170.00416.18
8.2.230.0150.00316.22
8.2.220.0130.00416.18
8.2.210.0180.00016.29
8.2.200.0110.00816.64
8.2.190.0070.01116.39
8.2.180.0150.00316.59
8.2.170.0190.00017.36
8.2.160.0210.00017.20
8.2.150.0130.00617.45
8.2.140.0150.00417.40
8.2.130.0320.00617.34
8.2.120.0380.00317.42
8.2.110.0270.00617.55
8.2.100.0210.01217.50
8.2.90.0310.01017.64
8.2.80.0310.00817.52
8.2.70.0300.01017.24
8.2.60.0290.00417.28
8.2.50.0200.01217.30
8.2.40.0290.00317.02
8.2.30.0280.00317.19
8.2.20.0330.00717.21
8.2.10.0400.00017.34
8.2.00.0330.00417.27
8.1.330.0110.00823.79
8.1.320.0120.00716.00
8.1.310.0100.00716.81
8.1.300.0330.00816.18
8.1.290.0310.00816.18
8.1.280.0310.00916.18
8.1.270.0340.00917.18
8.1.260.0250.01817.25
8.1.250.0320.00916.95
8.1.240.0240.00617.23
8.1.230.0300.00717.04
8.1.220.0190.01317.33
8.1.210.0230.01217.16
8.1.200.0270.01017.14
8.1.190.0350.00416.93
8.1.180.0430.01116.89
8.1.170.0300.00617.05
8.1.160.0240.01016.97
8.1.150.0240.00617.09
8.1.140.0360.00017.05
8.1.130.0300.00716.80
8.1.120.0320.00417.25
8.1.110.0370.00317.03
8.1.100.0250.01416.88
8.1.90.0320.00716.92
8.1.80.0300.00717.04
8.1.70.0260.01117.02
8.1.60.0270.01217.32
8.1.50.0150.00417.23
8.1.40.0290.00417.25
8.1.30.0250.01317.14
8.1.20.0320.00317.32
8.1.10.0290.01116.99
8.1.00.0240.01716.91

preferences:
25.6 ms | 403 KiB | 5 Q