Documentation TYPO3 par Ameos

ob.lib.php

00001 <?php
00002 /* $Id: ob.lib.php,v 2.2 2003/11/26 22:52:23 rabus Exp $ */
00003 // vim: expandtab sw=4 ts=4 sts=4:
00004 
00005 
00023 function PMA_outBufferModeGet()
00024 {
00025     if (@function_exists('ob_start')) {
00026         $mode = 1;
00027     } else {
00028         $mode = 0;
00029     }
00030 
00031     // If a user sets the output_handler in php.ini to ob_gzhandler, then
00032     // any right frame file in phpMyAdmin will not be handled properly by
00033     // the browser. My fix was to check the ini file within the
00034     // PMA_outBufferModeGet() function.
00035     //
00036     // (Patch by Garth Gillespie, modified by Marc Delisle)
00037     if (@ini_get('output_handler') == 'ob_gzhandler') {
00038         $mode = 0;
00039     }
00040     if (@get_cfg_var('output_handler') == 'ob_gzhandler') {
00041         $mode = 0;
00042     }
00043     // End patch
00044 
00045     // If output buffering is enabled in php.ini it's not possible to
00046     // add the ob_gzhandler without a warning message from php 4.3.0.
00047     // Being better safe than sorry, check for any existing output handler
00048     // instead of just checking the 'output_buffering' setting.
00049     //
00050     if (@function_exists('ob_get_level')) {
00051         if (ob_get_level() > 0) {
00052             $mode = 0;
00053         }
00054     }
00055 
00056     // Zero (0) is no mode or in other words output buffering is OFF.
00057     // Follow 2^0, 2^1, 2^2, 2^3 type values for the modes.
00058     // Usefull if we ever decide to combine modes.  Then a bitmask field of
00059     // the sum of all modes will be the natural choice.
00060 
00061     header('X-ob_mode: ' . $mode);
00062 
00063     return $mode;
00064 } // end of the 'PMA_outBufferModeGet()' function
00065 
00066 
00076 function PMA_outBufferPre($mode)
00077 {
00078     switch($mode)
00079     {
00080         case 1:
00081             ob_start('ob_gzhandler');
00082             $retval = TRUE;
00083             break;
00084 
00085         case 0:
00086             $retval = FALSE;
00087             break;
00088 
00089         // loic1: php3 fix
00090         default:
00091             $retval = FALSE;
00092             break;
00093     } // end switch
00094 
00095     return $retval;
00096 } // end of the 'PMA_outBufferPre()' function
00097 
00098 
00108 function PMA_outBufferPost($mode)
00109 {
00110     switch($mode)
00111     {
00112         case 1:
00113             # This output buffer doesn't need a footer.
00114             $retval = TRUE;
00115             break;
00116 
00117         case 0:
00118             $retval = FALSE;
00119             break;
00120 
00121         // loic1: php3 fix
00122         default:
00123             $retval = FALSE;
00124             break;
00125     } // end switch
00126 
00127     return $retval;
00128 } // end of the 'PMA_outBufferPost()' function
00129 
00130 ?>


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