<?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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