PHPSQLParser\PHPSQLParser::parse PHP Method

    public function parse($sql, $calcPositions = false)
    {
        $processor = new DefaultProcessor($this->options);
        $queries = $processor->process($sql);
        // calc the positions of some important tokens
        if ($calcPositions) {
            $calculator = new PositionCalculator();
            $queries = $calculator->setPositionsWithinSQL($sql, $queries);
        }
        // store the parsed queries
        $this->parsed = $queries;
        return $this->parsed;
    }

 /**
  * @throws \Exception
  *
  * @return string
  */
 public function convert()
 {
     $parsed = $this->sqlParser->parse($this->sql);
     if (false === $parsed) {
         throw new \Exception('SQL query is not valid');
     }
     $results = [];
     foreach ($parsed as $section => $data) {
         if ($this->converterFactory->canCreate($section)) {
             $converter = $this->converterFactory->create($section);
             $results = array_merge($results, $converter->convert($data));
         }
     }
     $table = current(array_filter($results, function ($item) {
         return 'table' === $item['name'];
     }));
     unset($results[array_search($table, $results)]);
     array_unshift($results, $table);
     foreach ($results as $function) {
         $args = isset($function['args']) ? $function['args'] : [];
         $this->generator->addFunction($function['name'], $args);
     }
     $this->generator->addFunction('get');
     return $this->generator->generate();
 }