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<?php function traverse(array $items): Generator { if (!empty($items)) { yield $items[0]; array_shift($items); yield from traverse($items); } } $values = traverse(['a', 'b', 'c', 'd', 'e']); foreach ($values as $key => $value) { echo "{$key} => {$value}", PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
0 => a 0 => b 0 => c 0 => d 0 => e

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