original_string: protected function _open($url)
      {
          set_error_handler(function ($code, $message) {
              $this->_connectionErrors[] = $message;
          });
          try {
              $this->_stream = fopen($url, 'rb', false, $this->_context);
          } finally {
              restore_error_handler();
          }
  
          if (!$this->_stream || !empty($this->_connectionErrors)) {
              throw new Exception(implode("\n", $this->_connectionErrors));
          }
      }
code: protected function _open($url)
      {
          set_error_handler(function ($code, $message) {
              $this->_connectionErrors[] = $message;
          });
          try {
              $this->_stream = fopen($url, 'rb', false, $this->_context);
          } finally {
              restore_error_handler();
          }
  
          if (!$this->_stream || !empty($this->_connectionErrors)) {
              throw new Exception(implode("\n", $this->_connectionErrors));
          }
      }
code_tokens: protected function _open ( $ url ) { set_error_handler ( function ( $ code , $ message ) { $ this -> _connectionErrors [ ] = $ message ; } ) ; try { $ this -> _stream = fopen ( $ url , 'rb' , false , $ this -> _context ) ; } finally { restore_error_handler ( ) ; } if ( ! $ this -> _stream || ! empty ( $ this -> _connectionErrors ) ) { throw new Exception ( implode ( "\n" , $ this -> _connectionErrors ) ) ; } }
docstring: Open the socket and handle any connection errors.
  
  @param string $url The url to connect to.
  @return void
  @throws \Cake\Core\Exception\Exception
docstring_tokens: Open the socket and handle any connection errors .