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<?php $array = [ [ 'a' => 1, 'b' => 2, 'c' => 3], [ 'a' => 4, 'b' => 5, 'c' => 6], [ 'a' => 7, 'b' => 8, 'c' => 9] ]; foreach ($array as &$val) { unset($val['a']); } foreach ($array as $key => $val) { echo $key . ' => ' . $val['b'] . ', ' . $val['c'] . PHP_EOL; } $arr = [ 'a' => 1, 'b' => 2 ]; $arrRef = &$arr; unset($arrRef['a']); var_dump($arrRef); var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
0 => 2, 3 1 => 5, 6 2 => 5, 6 array(1) { ["b"]=> int(2) } array(1) { ["b"]=> int(2) }

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