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20 namespace Doctrine\ORM\Query\Expr;
23 * Expression class for DQL comparison expressions
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>
57 * Creates a comparison expression with the given arguments.
59 * @param mixed $leftExpr
60 * @param string $operator
61 * @param mixed $rightExpr
63 public function __construct($leftExpr, $operator, $rightExpr)
65 $this->leftExpr = $leftExpr;
66 $this->operator = $operator;
67 $this->rightExpr = $rightExpr;
73 public function getLeftExpr()
75 return $this->leftExpr;
81 public function getOperator()
83 return $this->operator;
89 public function getRightExpr()
91 return $this->rightExpr;
97 public function __toString()
99 return $this->leftExpr . ' ' . $this->operator . ' ' . $this->rightExpr;