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<?php $a = array(); $a[] = 1; $a[] = 2; $a[] = 3; $a[] = 1; $a[] = 1; $a[] = 2; $a[] = "dog"; $acount = array_count_values($a); print_r(array_keys($acount)); var_export(array_keys($acount));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => dog ) array ( 0 => 1, 1 => 2, 2 => 3, 3 => 'dog', )

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