3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { const B = C; } class C {} const C = new C; const A = 'Z'; // unused echo A::class::B::class; echo (A::class)::B::class; echo A::B::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)
8.5.80.0040.00416.85
8.5.70.0150.00616.82
8.5.60.0100.00616.76
8.4.230.0100.00619.39
8.4.220.0080.00419.35
8.4.210.0040.00519.52
8.4.90.0060.00517.89
8.3.320.0090.00818.45
8.3.310.0100.00518.23
8.3.180.0020.00616.74
8.3.50.0090.00616.69
8.2.320.0080.01018.08
8.2.310.0050.00718.02

preferences:
43.07 ms | 537 KiB | 5 Q