Online PHP editor | perf for Q5AYg

<?php function benchmark(callable ...$functions): void { $times = array_combine(array_keys($functions), array_fill(0, count($functions), 0.0)); $baseTime = 0.0; $baseCallable = fn() => null; $start = hrtime(true); $count = 0; while (hrtime(true) < $start + 1e9) { $startCall = hrtime(true); $baseCallable(); $baseTime += hrtime(true) - $startCall; foreach ($functions as $key => $function) { $startCall = hrtime(true); $function(); $times[$key] += hrtime(true) - $startCall; } $count++; } foreach ($times as $key => $time) { $times[$key] = $time - $baseTime; } if ($count < 100) { echo "Methods too low. Iterated only {$count} times\n"; } asort($times); echo "Benchmark results after {$count} iterations in nanoseconds:\n"; foreach ($times as $key => $time) { echo $key . ': ' . $time . "\n"; } } enum OptionEnum: string { case Option1 = 'opt1'; case Option2 = 'opt2'; case Option3 = 'opt3'; case Option4 = 'opt4'; case Option5 = 'opt5'; public static function values(): array { return ['opt1', 'opt2', 'opt3', 'opt4', 'opt5']; } public static function valuesArrayMap(): array { return array_map(static fn(self $c) => $c->value, self::cases()); } public static function valuesArrayColumn(): array { return array_column(self::cases(), 'value'); } } benchmark( arrayRaw: fn() => OptionEnum::values(), arrayMap: fn() => OptionEnum::valuesArrayMap(), arrayCol: fn() => OptionEnum::valuesArrayColumn(), );

Version	System time (s)	User time (s)	Memory (MiB)
8.5.1	0.008	0.995	16.86
8.5.0	0.006	0.999	23.09
8.4.16	0.007	0.999	23.23
8.4.15	0.009	0.499	16.88
8.4.14	0.016	1.006	17.30
8.4.13	0.008	1.005	17.55
8.4.9	0.008	1.006	17.93
8.3.29	0.014	0.996	20.87
8.3.28	0.013	1.001	18.55
8.3.27	0.010	1.001	16.55
8.3.26	0.011	1.000	16.69
8.3.18	0.010	1.001	16.63
8.3.5	0.011	1.000	18.37
8.2.30	0.005	1.008	20.54
8.1.34	0.016	0.995	23.57