src/POData/UriProcessor/QueryProcessor/ExpressionParser/ExpressionLexer.php
/**
     * Validate current character is a digit.
     * 
     * @return void
     */
Validate current character is a digit.

@return void
Validate current character is a digit . @return void
private function _validateDigit()
    {
        if (!Char::isDigit($this->_ch)) {
            $this->_parseError(
                Messages::expressionLexerDigitExpected(
                    $this->_textPos
                )
            );
        }
    }
private function _validateDigit ( ) { if ( ! Char :: isDigit ( $ this -> _ch ) ) { $ this -> _parseError ( Messages :: expressionLexerDigitExpected ( $ this -> _textPos ) ) ; } }
Validate current character is a digit.
Validate current character is a digit .