3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} class Foos implements IteratorAggregate { private function __construct(private readonly iterable $foos) {} public static function fromVariadic(Foo ...$foos): self { return new self($foos); } public function getIterator(): \Traversable { return new ArrayIterator($this->foos); } } $foos = Foos::fromVariadic(new Foo, new 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)
8.1.30.0080.00217.61

preferences:
139.45 ms | 1394 KiB | 7 Q