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<?php $arr1 = [["a"], ["b"], ["c"], ["d"], ["e"]]; $arr2 = [1,2]; $count = count($arr2); foreach ($arr1 as $i => [1 => &$v]) { $v = $arr2[$i % $count]; } var_export($arr1);
Output for git.master_jit, git.master
array ( 0 => array ( 0 => 'a', 1 => 1, ), 1 => array ( 0 => 'b', 1 => 2, ), 2 => array ( 0 => 'c', 1 => 1, ), 3 => array ( 0 => 'd', 1 => 2, ), 4 => array ( 0 => 'e', 1 => 1, ), )

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