original_string: public function PEAR_Error($message = 'unknown error', $code = null,
                          $mode = null, $options = null, $userinfo = null) {
          self::__construct($message, $code, $mode, $options, $userinfo);
      }
code: public function PEAR_Error($message = 'unknown error', $code = null,
                          $mode = null, $options = null, $userinfo = null) {
          self::__construct($message, $code, $mode, $options, $userinfo);
      }
code_tokens: public function PEAR_Error ( $ message = 'unknown error' , $ code = null , $ mode = null , $ options = null , $ userinfo = null ) { self :: __construct ( $ message , $ code , $ mode , $ options , $ userinfo ) ; }
docstring: Old syntax of class constructor for backward compatibility.
docstring_tokens: Old syntax of class constructor for backward compatibility .