phparraysmultidimensional-arraykey

Rename key in each row of a 2d array

In an array such as the one below, how could I rename "fee_id" to "id"?

Input array:

[
    ['fee_id' => 15, 'fee_amount' => 308.5, 'year' => 2009],
    ['fee_id' => 14, 'fee_amount' => 308.5, 'year' => 2009],
]

Expected result:

[
    ['id' => 15, 'fee_amount' => 308.5, 'year' => 2009],
    ['id' => 14, 'fee_amount' => 308.5, 'year' => 2009],
]
Solution 
  • foreach ( $array as $k=>$v )
{
  $array[$k] ['id'] = $array[$k] ['fee_id'];
  unset($array[$k]['fee_id']);
}

    This should work