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<?php $ar = []; $ar['one'][] = 1; $ar['one'][] = 2; $ar['two'][] = 1; $ar['two'][] = 2; $ar['three'][] = 1; $ar['three'][] = 2; print_r($ar); $res = []; foreach($ar as $key=>$val){ $res[$key] = $val[0]; } print_r($res);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [one] => Array ( [0] => 1 [1] => 2 ) [two] => Array ( [0] => 1 [1] => 2 ) [three] => Array ( [0] => 1 [1] => 2 ) ) Array ( [one] => 1 [two] => 1 [three] => 1 )

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