3v4l.org

run code in 300+ PHP versions simultaneously
<?php print get_class($c = new class() {}); //class@anonymousphp-wasm run script:3$0 $d = new class() {}; var_dump($c instanceof $d); // false! interface i {} $e = new class() implements i {}; var_dump($e instanceof i); // true function foo() { return new class() {}; } $x = foo(); var_dump(foo() instanceof $x); // syntax error ! // var_dump($x instanceof foo()); ?>

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)
8.5.30.0100.00918.00
8.5.20.0110.00620.12
8.5.10.0090.01016.39
8.5.00.0110.00919.79
8.4.180.0080.01321.93
8.4.170.0120.00923.92
8.4.160.0100.01123.81
8.4.150.0070.00516.89
8.4.140.0130.00917.79
8.4.130.0140.00717.73
8.4.120.0100.01120.63
8.4.110.0130.00619.06
8.4.100.0140.00617.81
8.4.90.0120.01017.94
8.4.80.0200.00619.50
8.4.70.0200.00719.48
8.4.60.0460.00417.81
8.4.50.0250.00617.82
8.4.40.0440.00917.39
8.4.30.0420.01017.51
8.4.20.0340.00617.54
8.4.10.0210.00317.54
8.3.300.0150.00420.64
8.3.290.0070.00220.76
8.3.280.0120.00818.37
8.3.270.0100.01116.50
8.3.260.0110.00616.85
8.3.250.0110.00818.84
8.3.240.0140.00616.32
8.3.230.0040.00516.60
8.3.220.0080.00916.97
8.3.210.0090.00516.97
8.3.200.0360.00816.97
8.3.190.0440.00516.97
8.3.180.0350.00916.97
8.3.170.0410.00816.97
8.3.160.0410.00916.97
8.3.150.0420.00716.97
8.3.140.0400.01116.97
8.3.130.0320.01216.97
8.3.120.0280.00516.97
8.3.110.0300.00616.97
8.3.100.0400.00716.97
8.3.90.0430.00816.97
8.3.80.0400.01016.97
8.3.70.0420.00816.97
8.3.60.0420.00916.97
8.3.50.0430.00816.97
8.3.40.0380.00817.45
8.3.30.0170.00217.57
8.3.20.0320.01217.31
8.3.10.0330.00817.34
8.3.00.0420.00917.11
8.2.300.0110.01518.69
8.2.290.0040.00320.37
8.2.280.0320.00616.97
8.2.270.0320.00716.97
8.2.260.0330.01016.97
8.2.250.0340.00916.97
8.2.240.0360.00816.97
8.2.230.0330.00916.97
8.2.220.0240.00716.97
8.2.210.0340.00916.97
8.2.200.0290.00616.97
8.2.190.0280.00516.97
8.2.180.0440.00816.97
8.2.170.0370.01117.73
8.2.160.0340.00617.59
8.2.150.0330.01017.54
8.2.140.0340.01017.36
8.2.130.0360.00617.32
8.2.120.0380.00617.45
8.2.110.0360.00917.57
8.2.100.0380.00617.68
8.2.90.0210.00717.68
8.2.80.0330.00817.41
8.2.70.0370.00617.58
8.2.60.0350.00717.49
8.2.50.0330.00717.57
8.2.40.0330.00817.60
8.2.30.0320.00617.35
8.2.20.0430.01117.37
8.2.10.0370.00717.32
8.2.00.0280.00917.51
8.1.340.0100.01121.71

preferences:
51.91 ms | 850 KiB | 5 Q