diff --git a/htdocs/sql/libraries/ob.lib.php b/htdocs/sql/libraries/ob.lib.php new file mode 100755 --- /dev/null +++ b/htdocs/sql/libraries/ob.lib.php @@ -0,0 +1,107 @@ + + * http://www.jeremybrand.com/Jeremy/Brand/Jeremy_Brand.html + * + * Check for all the needed functions for output buffering + * Make some wrappers for the top and bottoms of our files. + * + * @version $Id: ob.lib.php 10892 2007-11-01 20:48:43Z lem9 $ + */ + +/** + * This function be used eventually to support more modes. It is needed + * because both header and footer functions must know what each other is + * doing. + * + * @uses $cfg['OBGzip'] + * @uses function_exists() + * @uses ini_get() + * @uses ob_get_level() + * @staticvar integer remember last calculated value + * @return integer the output buffer mode + */ +function PMA_outBufferModeGet() +{ + static $mode = null; + + if (null !== $mode) { + return $mode; + } + + $mode = 0; + + if ($GLOBALS['cfg']['OBGzip'] && function_exists('ob_start')) { + if (ini_get('output_handler') == 'ob_gzhandler') { + // If a user sets the output_handler in php.ini to ob_gzhandler, then + // any right frame file in phpMyAdmin will not be handled properly by + // the browser. My fix was to check the ini file within the + // PMA_outBufferModeGet() function. + // + // (Patch by Garth Gillespie, modified by Marc Delisle) + $mode = 0; + } elseif (function_exists('ob_get_level') && ob_get_level() > 0) { + // If output buffering is enabled in php.ini it's not possible to + // add the ob_gzhandler without a warning message from php 4.3.0. + // Being better safe than sorry, check for any existing output handler + // instead of just checking the 'output_buffering' setting. + $mode = 0; + } else { + $mode = 1; + } + } + + // Zero (0) is no mode or in other words output buffering is OFF. + // Follow 2^0, 2^1, 2^2, 2^3 type values for the modes. + // Usefull if we ever decide to combine modes. Then a bitmask field of + // the sum of all modes will be the natural choice. + + return $mode; +} // end of the 'PMA_outBufferModeGet()' function + + +/** + * This function will need to run at the top of all pages if output + * output buffering is turned on. It also needs to be passed $mode from + * the PMA_outBufferModeGet() function or it will be useless. + * + * @uses PMA_outBufferModeGet() + * @uses PMA_outBufferPost() to register it as shutdown function + * @uses ob_start() + * @uses header() to send X-ob_mode: + * @uses register_shutdown_function() to register PMA_outBufferPost() + */ +function PMA_outBufferPre() +{ + if ($mode = PMA_outBufferModeGet()) { + ob_start('ob_gzhandler'); + } + + header('X-ob_mode: ' . $mode); + + register_shutdown_function('PMA_outBufferPost'); +} // end of the 'PMA_outBufferPre()' function + + +/** + * This function will need to run at the bottom of all pages if output + * buffering is turned on. It also needs to be passed $mode from the + * PMA_outBufferModeGet() function or it will be useless. + * + * @uses PMA_outBufferModeGet() + * @uses ob_flush() + * @uses flush() + */ +function PMA_outBufferPost() +{ + if (ob_get_status() && PMA_outBufferModeGet()) { + ob_flush(); + } else { + flush(); + } +} // end of the 'PMA_outBufferPost()' function + +?>