original_string: public function flush($content = null)
      {
          if (function_exists('apache_setenv')) {
              apache_setenv('no-gzip', '1');
          }
  
          /**
           * Disable zlib to compress output
           * @link http://www.php.net/manual/en/zlib.configuration.php
           */
          if (!headers_sent() && extension_loaded('zlib')) {
              ini_set('zlib.output_compression', '0');
          }
  
          /**
           * Turn implicit flush on
           * @link http://www.php.net/manual/en/function.ob-implicit-flush.php
           */
          ob_implicit_flush();
  
          $this->send($content);
  
          /**
           * Send blank characters for output_buffering
           * @link http://www.php.net/manual/en/outcontrol.configuration.php
           */
          if ($length = ini_get('output_buffering')) {
              echo str_pad('', $length);
          }
  
          while (ob_get_level()) {
              ob_end_flush();
          }
  
          return $this;
      }
code: public function flush($content = null)
      {
          if (function_exists('apache_setenv')) {
              apache_setenv('no-gzip', '1');
          }
  
          /**
           * Disable zlib to compress output
           * @link http://www.php.net/manual/en/zlib.configuration.php
           */
          if (!headers_sent() && extension_loaded('zlib')) {
              ini_set('zlib.output_compression', '0');
          }
  
          /**
           * Turn implicit flush on
           * @link http://www.php.net/manual/en/function.ob-implicit-flush.php
           */
          ob_implicit_flush();
  
          $this->send($content);
  
          /**
           * Send blank characters for output_buffering
           * @link http://www.php.net/manual/en/outcontrol.configuration.php
           */
          if ($length = ini_get('output_buffering')) {
              echo str_pad('', $length);
          }
  
          while (ob_get_level()) {
              ob_end_flush();
          }
  
          return $this;
      }
code_tokens: public function flush ( $ content = null ) { if ( function_exists ( 'apache_setenv' ) ) { apache_setenv ( 'no-gzip' , '1' ) ; } /**
           * Disable zlib to compress output
           * @link http://www.php.net/manual/en/zlib.configuration.php
           */ if ( ! headers_sent ( ) && extension_loaded ( 'zlib' ) ) { ini_set ( 'zlib.output_compression' , '0' ) ; } /**
           * Turn implicit flush on
           * @link http://www.php.net/manual/en/function.ob-implicit-flush.php
           */ ob_implicit_flush ( ) ; $ this -> send ( $ content ) ; /**
           * Send blank characters for output_buffering
           * @link http://www.php.net/manual/en/outcontrol.configuration.php
           */ if ( $ length = ini_get ( 'output_buffering' ) ) { echo str_pad ( '' , $ length ) ; } while ( ob_get_level ( ) ) { ob_end_flush ( ) ; } return $ this ; }
docstring: Flushes content to browser immediately
  
  @param string $content
  @return $this
docstring_tokens: Flushes content to browser immediately