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<?php $b = ['siedemx'=>'ab', 'szescx'=>'a', 'osiemxxx'=>'abc']; array_walk($b, function($value, $key){echo"$key\n";}); array_walk($b, function($value, $key){echo strlen($key) . "\n";});
Output for rfc.property-hooks, git.master, git.master_jit
siedemx szescx osiemxxx 7 6 8

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