function.root_parent.php

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<?php
 
// include secure.php to protect this file and the whole CMS!
if(!defined("SEC_FILE")){define("SEC_FILE",'/framework/secure.php' );}
if (defined('LEPTON_PATH')) {   
    include LEPTON_PATH.SEC_FILE;
} else {
    $oneback = "../";
    $root = $oneback;
    $level = 1;
    while (($level < 10) && (!file_exists($root.SEC_FILE))) {
        $root .= $oneback;
        $level += 1;
    }
    if (file_exists($root.SEC_FILE)) { 
        include $root.SEC_FILE;  
    } else {
        trigger_error(sprintf("[ <b>%s</b> ] Can't include secure.php!", $_SERVER['SCRIPT_NAME']), E_USER_ERROR);
    }
}
// end include secure file
 
 
function root_parent( $page_id )
{
    $database = LEPTON_database::getInstance();
    LEPTON_handle::register("get_parent_ids");
    
    // Get page details
    $aDetails = array();
    $database->execute_query( 
        "SELECT parent, level from ".TABLE_PREFIX."pages WHERE page_id = ".$page_id." ",
        true,
        $aDetails,
        false
    );
 
    $parent     = $aDetails[ 'parent' ];
    $level      = $aDetails[ 'level' ];
    
    if ( $level == 1 )
    {
        return $parent;
    } 
    elseif ( $parent == 0 )
    {
        return $page_id;
    } 
    else
    {
        // Figure out what the root parents id is
        $parent_ids = array_reverse( get_parent_ids($page_id));
        return $parent_ids[ 0 ];
    }
}