PHPCfg\Parser::parse PHP Method

    public function parse($code, $fileName)
    {
        return $this->parseAst($this->astParser->parse($code), $fileName);
    }

 protected function getGraphsFromFiles(array $files, array $exclude, CFGParser $parser)
 {
     $excludeParts = [];
     foreach ($exclude as $part) {
         $excludeParts[] = preg_quote($part);
     }
     $part = implode('|', $excludeParts);
     $excludeRegex = "(((\\.({$part})(\$|/))|((^|/)({$part})(\$|/))))";
     $graphs = [];
     foreach ($files as $file) {
         if (is_file($file)) {
             $local = [$file];
         } elseif (is_dir($file)) {
             $it = new \CallbackFilterIterator(new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($file)), function (\SplFileInfo $file) use($excludeRegex) {
                 if (preg_match($excludeRegex, $file->getPathName())) {
                     return false;
                 }
                 return $file->isFile();
             });
             $local = [];
             foreach ($it as $file) {
                 $local[] = $file->getPathName();
                 // since __toString would be too difficult...
             }
         } else {
             throw new \RuntimeException("Error: {$file} is not a file or directory");
         }
         foreach ($local as $file) {
             echo "Analyzing {$file}\n";
             $graphs[$file] = $parser->parse(file_get_contents($file), $file);
         }
     }
     return $graphs;
 }