/**
* Fetch one fileld from row
*
* @param string $field_identifier (both numeric and associative)
* @param int $is_numeric (For non cached results)(0-$field_identifier is name of the field,1-$field_identifier is number of the field)
* @return string
*/
public function fetchField($field_identifier, $is_numeric = 0)
{
if ($this->is_result_cached) {
if (!isset($this->result[$this->last_record_position])) {
return null;
}
if ($is_numeric) {
$keys = array_keys($this->result[$this->last_record_position]);
$field = $this->result[$this->last_record_position][$keys[$field_identifier]];
} else {
$field = $this->result[$this->last_record_position][$field_identifier];
}
$this->last_record_position++;
return $field;
} else {
return parent::fetchField($field_identifier, $is_numeric);
}
}
