/PHP/Replace key name in associative array

Replace key name in associative array

function change_key( $array, $old_key, $new_key ) {

    if( ! array_key_exists( $old_key, $array ) )
        return $array;

    $keys = array_keys( $array );
    $keys[ array_search( $old_key, $keys ) ] = $new_key;

    return array_combine( $keys, $array );
}

Source: stackoverflow.com

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