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<?php
 /**
 * Add a directory to the include path
 *
 * @param dir: The directory to add to the path
 * @param at_start: If true, place this directory at the beginning of
 * the include path. Otherwise, place it at the end.
 */
 function includeAdd($dir, $at_start=false)
 {
 $path = ini_get('include_path');
 if (strlen($path)) {
 $newpath = $at_start ? "$dir:$path" : "$path:$dir";
 } else {
 $newpath = $dir;
 }
 
 ini_set('include_path', $newpath);
 }
 
 /**
 * Return the parent directory of this module.
 */
 function getParent()
 {
 return dirname(dirname(realpath(__FILE__)));
 }
 
 ?>
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