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<?php $array = array(0 => 200, '730404' => 89730 ,'730205' => 1000 ,'730100' => 1000 ,'730601' => 2184); $key='730404'; $keys = array_keys($array); print_r($keys); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 0 [1] => 730404 [2] => 730205 [3] => 730100 [4] => 730601 )

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