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<?php print_r(call_user_func_array('array_merge',[[25],[24],[23],[22]])); print_r(array_column([[25],[24],[23],[22]],0));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 25 [1] => 24 [2] => 23 [3] => 22 ) Array ( [0] => 25 [1] => 24 [2] => 23 [3] => 22 )

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