126 lines
3.6 KiB
PHP
126 lines
3.6 KiB
PHP
<?php
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/* $Id$ */
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// vim: expandtab sw=4 ts=4 sts=4:
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if (!defined('PMA_OB_LIB_INCLUDED')) {
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define('PMA_OB_LIB_INCLUDED', 1);
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# Output buffer functions for phpMyAdmin
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#
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# Copyright 2001 Jeremy Brand <jeremy@nirvani.net>
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# http://www.jeremybrand.com/Jeremy/Brand/Jeremy_Brand.html
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#
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# Check for all the needed functions for output buffering
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# Make some wrappers for the top and bottoms of our files.
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/**
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* This function be used eventually to support more modes. It is needed
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* because both header and footer functions must know what each other is
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* doing.
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*
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* @return integer the output buffer mode
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*/
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function PMA_outBufferModeGet()
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{
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if (PMA_PHP_INT_VERSION >= 40000 && @function_exists('ob_start')) {
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$mode = 1;
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} else {
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$mode = 0;
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}
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// If a user sets the output_handler in php.ini to ob_gzhandler, then
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// any right frame file in phpMyAdmin will not be handled properly by
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// the browser. My fix was to check the ini file within the
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// PMA_outBufferModeGet() function.
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//
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// (Patch by Garth Gillespie, modified by Marc Delisle)
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if (PMA_PHP_INT_VERSION >= 40000 && @ini_get('output_handler')) {
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if (@ini_get('output_handler') == 'ob_gzhandler') {
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$mode = 0;
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}
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} else if (PMA_PHP_INT_VERSION >= 40000) {
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if (@get_cfg_var('output_handler') == 'ob_gzhandler') {
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$mode = 0;
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}
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}
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// End patch
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// Zero (0) is no mode or in other words output buffering is OFF.
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// Follow 2^0, 2^1, 2^2, 2^3 type values for the modes.
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// Usefull if we ever decide to combine modes. Then a bitmask field of
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// the sum of all modes will be the natural choice.
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header('X-ob_mode: ' . $mode);
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return $mode;
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} // end of the 'PMA_outBufferModeGet()' function
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/**
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* This function will need to run at the top of all pages if output
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* output buffering is turned on. It also needs to be passed $mode from
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* the PMA_outBufferModeGet() function or it will be useless.
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*
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* @param integer the output buffer mode
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*
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* @return boolean whether output buffering is enabled or not
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*/
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function PMA_outBufferPre($mode)
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{
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switch($mode)
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{
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case 1:
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ob_start('ob_gzhandler');
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$retval = TRUE;
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break;
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case 0:
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$retval = FALSE;
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break;
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// loic1: php3 fix
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default:
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$retval = FALSE;
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break;
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} // end switch
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return $retval;
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} // end of the 'PMA_outBufferPre()' function
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/**
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* This function will need to run at the bottom of all pages if output
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* buffering is turned on. It also needs to be passed $mode from the
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* PMA_outBufferModeGet() function or it will be useless.
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*
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* @param integer the output buffer mode
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*
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* @return boolean whether data has been send from the buffer or not
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*/
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function PMA_outBufferPost($mode)
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{
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switch($mode)
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{
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case 1:
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# This output buffer doesn't need a footer.
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$retval = TRUE;
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break;
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case 0:
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$retval = FALSE;
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break;
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// loic1: php3 fix
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default:
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$retval = FALSE;
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break;
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} // end switch
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return $retval;
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} // end of the 'PMA_outBufferPost()' function
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} // $__PMA_OB_LIB__
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?>
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