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@ 2024-08-15T15:33:48Z

<?php declare(strict_types = 1);

class HelloWorld
{
	public static function sayHello(string $s): string
	{
		$a = [$s => $s];

		return array_keys($a)[0];
	}
}

HelloWorld::sayHello('1');

Output
Performance
VLD
References
Branches

array_keys: documentation ( source)

preferences:dark modelive previewkey bindings

78.69 ms | 1059 KiB | 5 Q