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<?php $array = array('name', 'name', 'email', 'name', 'address', 'phone', 'phone'); foreach ($array as $value) { $keys = array_keys($array, $value); // get rid of the first entry array_shift($keys); // add counters to duplicates for ($i = 0; $i < count($keys); $i++) { $array[$keys[$i]] = $value . "_" . ($i + 2); } } print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => name [1] => name_2 [2] => email [3] => name_3 [4] => address [5] => phone [6] => phone_2 )

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