/**
* Get array of only one field
*
* @param string $field_identifier
* @param bool $is_numeric_identifier(true-$field_identifier is numeric, false-$field_identifier is a name)
* @param int $offset
* @param int $len
* @return array
*/
public function fetchFields($field_identifier, $is_numeric_identifier = false, $offset = 0, $len = 0)
{
if ($this->is_result_cached) {
$array_to_return = array();
foreach ($this->result as $key => $val) {
if ($is_numeric_identifier) {
$keys = array_keys($val);
$array_to_return[] = $val[$keys[$field_identifier]];
} else {
$array_to_return[] = $val[$field_identifier];
}
}
return $array_to_return;
} else {
return parent::fetchFields($field_identifier, $is_numeric_identifier, $offset, $len);
}
}
