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5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license. For more information, see
17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\ORM\Query\Expr;
23 * Expression class for building DQL and parts
26 * @link www.doctrine-project.org
28 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
29 * @author Jonathan Wage <jonwage@gmail.com>
30 * @author Roman Borschel <roman@code-factory.org>
32 class Composite extends Base
37 public function __toString()
39 if ($this->count() === 1) {
40 return (string) $this->parts[0];
43 $components = array();
45 foreach ($this->parts as $part) {
46 $components[] = $this->processQueryPart($part);
49 return implode($this->separator, $components);
57 private function processQueryPart($part)
59 $queryPart = (string) $part;
61 if (is_object($part) && $part instanceof self && $part->count() > 1) {
62 return $this->preSeparator . $queryPart . $this->postSeparator;
65 // Fixes DDC-1237: User may have added a where item containing nested expression (with "OR" or "AND")
66 if (stripos($queryPart, ' OR ') !== false || stripos($queryPart, ' AND ') !== false) {
67 return $this->preSeparator . $queryPart . $this->postSeparator;