Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Parser.php
private function advance()
    {
        $i = $this->currentCharacter;
        $formula_length = strlen($this->formula);
        // eat up white spaces
        if ($i < $formula_length) {
            while ($this->formula[$i] == ' ') {
                ++$i;
            }

            if ($i < ($formula_length - 1)) {
                $this->lookAhead = $this->formula[$i + 1];
            }
            $token = '';
        }

        while ($i < $formula_length) {
            $token .= $this->formula[$i];

            if ($i < ($formula_length - 1)) {
                $this->lookAhead = $this->formula[$i + 1];
            } else {
                $this->lookAhead = '';
            }

            if ($this->match($token) != '') {
                $this->currentCharacter = $i + 1;
                $this->currentToken = $token;

                return 1;
            }

            if ($i < ($formula_length - 2)) {
                $this->lookAhead = $this->formula[$i + 2];
            } else { // if we run out of characters lookAhead becomes empty
                $this->lookAhead = '';
            }
            ++$i;
        }
        //die("Lexical error ".$this->currentCharacter);
    }
private function advance()
    {
        $i = $this->currentCharacter;
        $formula_length = strlen($this->formula);
        // eat up white spaces
        if ($i < $formula_length) {
            while ($this->formula[$i] == ' ') {
                ++$i;
            }

            if ($i < ($formula_length - 1)) {
                $this->lookAhead = $this->formula[$i + 1];
            }
            $token = '';
        }

        while ($i < $formula_length) {
            $token .= $this->formula[$i];

            if ($i < ($formula_length - 1)) {
                $this->lookAhead = $this->formula[$i + 1];
            } else {
                $this->lookAhead = '';
            }

            if ($this->match($token) != '') {
                $this->currentCharacter = $i + 1;
                $this->currentToken = $token;

                return 1;
            }

            if ($i < ($formula_length - 2)) {
                $this->lookAhead = $this->formula[$i + 2];
            } else { // if we run out of characters lookAhead becomes empty
                $this->lookAhead = '';
            }
            ++$i;
        }
        //die("Lexical error ".$this->currentCharacter);
    }
private function advance ( ) { $ i = $ this -> currentCharacter ; $ formula_length = strlen ( $ this -> formula ) ; // eat up white spaces if ( $ i < $ formula_length ) { while ( $ this -> formula [ $ i ] == ' ' ) { ++ $ i ; } if ( $ i < ( $ formula_length - 1 ) ) { $ this -> lookAhead = $ this -> formula [ $ i + 1 ] ; } $ token = '' ; } while ( $ i < $ formula_length ) { $ token .= $ this -> formula [ $ i ] ; if ( $ i < ( $ formula_length - 1 ) ) { $ this -> lookAhead = $ this -> formula [ $ i + 1 ] ; } else { $ this -> lookAhead = '' ; } if ( $ this -> match ( $ token ) != '' ) { $ this -> currentCharacter = $ i + 1 ; $ this -> currentToken = $ token ; return 1 ; } if ( $ i < ( $ formula_length - 2 ) ) { $ this -> lookAhead = $ this -> formula [ $ i + 2 ] ; } else { // if we run out of characters lookAhead becomes empty $ this -> lookAhead = '' ; } ++ $ i ; } //die("Lexical error ".$this->currentCharacter); }
Advance to the next valid token.
Advance to the next valid token .