[Phpgroupware-cvs] phpgwapi/inc/class.arrayfunctions.inc.php, 1.5

[nomail]

Update of /phpgwapi/inc
Added Files:
        Branch: 
          class.arrayfunctions.inc.php

date: 2004/12/30 06:47:30;  author: skwashd;  state: Exp;  lines: +44 -34

Log Message:
new HEAD
=====================================================================
<?php
        /**
        * Arrayfunctions
        * @author Lars Kneschke <address@hidden>
        * @copyright Copyright (C) 2002,2003 Lars Kneschke
        * @copyright Portions Copyright (C) 2004 Free Software Foundation, Inc. 
http://www.fsf.org/
        * @license http://www.gnu.org/licenses/gpl.html GNU General Public 
License
        * @package phpgwapi
        * @subpackage utilities
        * @version $Id: class.arrayfunctions.inc.php,v 1.5 2004/12/30 06:47:30 
skwashd Exp $
        */

        /**
        * Arrayfunctions
        *
        * @package phpgwapi
        * @subpackage utilities
        */
        class arrayfunctions
        {
                function arrayfunctions($vars='')
                {
                }

                /**
                * Sort a multi-dimensional array according to a list of fields.
                *
                * @param array $a Array to sort
                * @param array $fl Field list in order of sort importance
                * @param string $_sort 'ASC'ending or 'DESC'ending sort order
                * @return array|boolean Sorted array or false
                */
                function arfsort( $a, $fl, $_sort='ASC' )
                {
                        $GLOBALS['__ARFSORT_LIST__'] = $fl;
                        
                        $this->sort=$_sort;

                        if (is_array($a))
                        {
                                usort( $a, array($this,'arfsort_func') );
                                return $a;
                        }
                        return False;
                }

                /**
                * Comparision function for arfsort()
                *
                * Uses $GLOBALS['__ARFSORT_LIST__'] and $sort
                * @param array $a Array one for comparision
                * @param array $b Array two for comparision
                * @return integer Returns < 0 if $a is less than $b; > 0 if $a 
is greater than $b, and 0 if they are equal.
                * @access private
                * @see arfsort()
                */
                function arfsort_func( $a, $b )
                {
                        foreach( $GLOBALS['__ARFSORT_LIST__'] as $f )
                        {
                                if($this->sort == 'ASC')
                                {
                                        $strc = strcmp( $a[$f], $b[$f] );
                                }
                                else
                                {
                                        $strc = strcmp( $b[$f], $a[$f] );
                                }
                                if ( $strc != 0 )
                                {
                                        return $strc;
                                }
                        }
                        return 0;
                }

        }
?>