PHPStan\Parser\Parser::parseString PHP Method

    public function parseString(string $sourceCode) : array;

 /**
  * @param string $sourceCode
  * @return \PhpParser\Node[]
  */
 public function parseString(string $sourceCode) : array
 {
     if (!isset($this->cachedNodesByString[$sourceCode])) {
         $this->cachedNodesByString[$sourceCode] = $this->originalParser->parseString($sourceCode);
     }
     return $this->cachedNodesByString[$sourceCode];
 }