Doctrine\ORM\Query\Parser::LikeExpression PHP Method

    public function LikeExpression()
    {
        $stringExpr = $this->StringExpression();
        $not = false;

        if ($this->_lexer->isNextToken(Lexer::T_NOT)) {
            $this->match(Lexer::T_NOT);
            $not = true;
        }

        $this->match(Lexer::T_LIKE);

        if ($this->_lexer->isNextToken(Lexer::T_INPUT_PARAMETER)) {
            $this->match(Lexer::T_INPUT_PARAMETER);
            $stringPattern = new AST\InputParameter($this->_lexer->token['value']);
        } else {
            $this->match(Lexer::T_STRING);
            $stringPattern = $this->_lexer->token['value'];
        }

        $escapeChar = null;

        if ($this->_lexer->lookahead['type'] === Lexer::T_ESCAPE) {
            $this->match(Lexer::T_ESCAPE);
            $this->match(Lexer::T_STRING);
            $escapeChar = $this->_lexer->token['value'];
        }

        $likeExpr = new AST\LikeExpression($stringExpr, $stringPattern, $escapeChar);
        $likeExpr->not = $not;

        return $likeExpr;
    }