original_string: protected function findClass($file)
      {
          $class = false;
          $namespace = false;
          $tokens = token_get_all(file_get_contents($file));
  
          if (1 === \count($tokens) && T_INLINE_HTML === $tokens[0][0]) {
              throw new \InvalidArgumentException(sprintf('The file "%s" does not contain PHP code. Did you forgot to add the "<?php" start tag at the beginning of the file?', $file));
          }
  
          for ($i = 0; isset($tokens[$i]); ++$i) {
              $token = $tokens[$i];
  
              if (!isset($token[1])) {
                  continue;
              }
  
              if (true === $class && T_STRING === $token[0]) {
                  return $namespace.'\\'.$token[1];
              }
  
              if (true === $namespace && T_STRING === $token[0]) {
                  $namespace = $token[1];
                  while (isset($tokens[++$i][1]) && \in_array($tokens[$i][0], [T_NS_SEPARATOR, T_STRING])) {
                      $namespace .= $tokens[$i][1];
                  }
                  $token = $tokens[$i];
              }
  
              if (T_CLASS === $token[0]) {
                  // Skip usage of ::class constant and anonymous classes
                  $skipClassToken = false;
                  for ($j = $i - 1; $j > 0; --$j) {
                      if (!isset($tokens[$j][1])) {
                          break;
                      }
  
                      if (T_DOUBLE_COLON === $tokens[$j][0] || T_NEW === $tokens[$j][0]) {
                          $skipClassToken = true;
                          break;
                      } elseif (!\in_array($tokens[$j][0], [T_WHITESPACE, T_DOC_COMMENT, T_COMMENT])) {
                          break;
                      }
                  }
  
                  if (!$skipClassToken) {
                      $class = true;
                  }
              }
  
              if (T_NAMESPACE === $token[0]) {
                  $namespace = true;
              }
          }
  
          return false;
      }
code: protected function findClass($file)
      {
          $class = false;
          $namespace = false;
          $tokens = token_get_all(file_get_contents($file));
  
          if (1 === \count($tokens) && T_INLINE_HTML === $tokens[0][0]) {
              throw new \InvalidArgumentException(sprintf('The file "%s" does not contain PHP code. Did you forgot to add the "<?php" start tag at the beginning of the file?', $file));
          }
  
          for ($i = 0; isset($tokens[$i]); ++$i) {
              $token = $tokens[$i];
  
              if (!isset($token[1])) {
                  continue;
              }
  
              if (true === $class && T_STRING === $token[0]) {
                  return $namespace.'\\'.$token[1];
              }
  
              if (true === $namespace && T_STRING === $token[0]) {
                  $namespace = $token[1];
                  while (isset($tokens[++$i][1]) && \in_array($tokens[$i][0], [T_NS_SEPARATOR, T_STRING])) {
                      $namespace .= $tokens[$i][1];
                  }
                  $token = $tokens[$i];
              }
  
              if (T_CLASS === $token[0]) {
                  // Skip usage of ::class constant and anonymous classes
                  $skipClassToken = false;
                  for ($j = $i - 1; $j > 0; --$j) {
                      if (!isset($tokens[$j][1])) {
                          break;
                      }
  
                      if (T_DOUBLE_COLON === $tokens[$j][0] || T_NEW === $tokens[$j][0]) {
                          $skipClassToken = true;
                          break;
                      } elseif (!\in_array($tokens[$j][0], [T_WHITESPACE, T_DOC_COMMENT, T_COMMENT])) {
                          break;
                      }
                  }
  
                  if (!$skipClassToken) {
                      $class = true;
                  }
              }
  
              if (T_NAMESPACE === $token[0]) {
                  $namespace = true;
              }
          }
  
          return false;
      }
code_tokens: protected function findClass ( $ file ) { $ class = false ; $ namespace = false ; $ tokens = token_get_all ( file_get_contents ( $ file ) ) ; if ( 1 === \ count ( $ tokens ) && T_INLINE_HTML === $ tokens [ 0 ] [ 0 ] ) { throw new \ InvalidArgumentException ( sprintf ( 'The file "%s" does not contain PHP code. Did you forgot to add the "<?php" start tag at the beginning of the file?' , $ file ) ) ; } for ( $ i = 0 ; isset ( $ tokens [ $ i ] ) ; ++ $ i ) { $ token = $ tokens [ $ i ] ; if ( ! isset ( $ token [ 1 ] ) ) { continue ; } if ( true === $ class && T_STRING === $ token [ 0 ] ) { return $ namespace . '\\' . $ token [ 1 ] ; } if ( true === $ namespace && T_STRING === $ token [ 0 ] ) { $ namespace = $ token [ 1 ] ; while ( isset ( $ tokens [ ++ $ i ] [ 1 ] ) && \ in_array ( $ tokens [ $ i ] [ 0 ] , [ T_NS_SEPARATOR , T_STRING ] ) ) { $ namespace .= $ tokens [ $ i ] [ 1 ] ; } $ token = $ tokens [ $ i ] ; } if ( T_CLASS === $ token [ 0 ] ) { // Skip usage of ::class constant and anonymous classes $ skipClassToken = false ; for ( $ j = $ i - 1 ; $ j > 0 ; -- $ j ) { if ( ! isset ( $ tokens [ $ j ] [ 1 ] ) ) { break ; } if ( T_DOUBLE_COLON === $ tokens [ $ j ] [ 0 ] || T_NEW === $ tokens [ $ j ] [ 0 ] ) { $ skipClassToken = true ; break ; } elseif ( ! \ in_array ( $ tokens [ $ j ] [ 0 ] , [ T_WHITESPACE , T_DOC_COMMENT , T_COMMENT ] ) ) { break ; } } if ( ! $ skipClassToken ) { $ class = true ; } } if ( T_NAMESPACE === $ token [ 0 ] ) { $ namespace = true ; } } return false ; }
docstring: Returns the full class name for the first class in the file.
  
  @param string $file A PHP file path
  
  @return string|false Full class name if found, false otherwise
docstring_tokens: Returns the full class name for the first class in the file .