core-bundle/src/Resources/contao/library/Contao/Database.php
public function getUuid()
	{
		static $ids;

		if (empty($ids))
		{
			$statement = $this->resConnection->executeQuery(implode(' UNION ALL ', array_fill(0, 10, "SELECT UNHEX(REPLACE(UUID(), '-', '')) AS uuid")));
			$ids = $statement->fetchAll(\PDO::FETCH_COLUMN);
		}

		return array_pop($ids);
	}
public function getUuid()
	{
		static $ids;

		if (empty($ids))
		{
			$statement = $this->resConnection->executeQuery(implode(' UNION ALL ', array_fill(0, 10, "SELECT UNHEX(REPLACE(UUID(), '-', '')) AS uuid")));
			$ids = $statement->fetchAll(\PDO::FETCH_COLUMN);
		}

		return array_pop($ids);
	}
public function getUuid ( ) { static $ ids ; if ( empty ( $ ids ) ) { $ statement = $ this -> resConnection -> executeQuery ( implode ( ' UNION ALL ' , array_fill ( 0 , 10 , "SELECT UNHEX(REPLACE(UUID(), '-', '')) AS uuid" ) ) ) ; $ ids = $ statement -> fetchAll ( \ PDO :: FETCH_COLUMN ) ; } return array_pop ( $ ids ) ; }
Return a universal unique identifier

@return string The UUID string
Return a universal unique identifier