Finds duplicate columns in select statement
| public static findDuplicates ( PDOStatement $statement ) : string | ||
| $statement | PDOStatement | |
| return | string | |
/**
* @inheritDoc
*/
public function fetch()
{
$data = $this->pdoStatement ? $this->pdoStatement->fetch() : NULL;
if (!$data) {
$this->pdoStatement->closeCursor();
return FALSE;
} elseif ($this->result === NULL && count($data) !== $this->pdoStatement->columnCount()) {
$duplicates = Helpers::findDuplicates($this->pdoStatement);
trigger_error("Found duplicate columns in database result set: {$duplicates}.", E_USER_NOTICE);
}
$row = new Row();
foreach ($this->normalizeRow($data) as $key => $value) {
if ($key !== '') {
$row->{$key} = $value;
}
}
$this->resultKey++;
return $this->result = $row;
}