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

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