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; }