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<?php $var = array( 'a' => 'a', 'b' => 'b', ); array_walk($var, function ($value) { var_dump($value); }); var_dump(key($var));
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "a" string(1) "b" string(1) "a"

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