<?php $arr = [ 0 => [ 'id' => 123-456-000-000, 'name' => 'john' ], 1 => [ 'id' => 123-456-789-014, 'name' => 'james' ] ]; $arr1 = [ 0 => [ 'id' => 123-456-000-000, 'address' => 'Japan' ], 1 => [ 'id' => 123-456-789-014, 'address' => 'Spain' ] ]; foreach ($arr1 as $key => $inner) { $arr1[$key]["address"] = $inner["address"]; } print_r(arr1);
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