3v4l.org

run code in 500+ PHP versions simultaneously
<?php declare(strict_types=1); final class Foo implements \Stringable { private function __construct(public readonly string $value) { } public static function fromString(string $string): self { return new self($string); } /** * {@inheritdoc} */ public function __toString(): string { return $this->value; } } $options = [ Foo::fromString('c'), Foo::fromString('b'), Foo::fromString('a'), Foo::fromString('ccc'), Foo::fromString('bcc'), ]; var_dump(strnatcasecmp($options[1], $options[2])); uasort($options, 'strnatcasecmp'); var_export($options);

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)
8.4.90.0120.00718.07
8.3.300.0120.00919.24
8.3.180.0090.00616.89
8.3.50.0130.00516.92
preferences:
42.01 ms | 502 KiB | 5 Q