mirror of
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69 lines
2.2 KiB
PHP
69 lines
2.2 KiB
PHP
<?php
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/*******************************************************************\
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* phpGroupWare API - Arrayfunctions *
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* Written by Lars Kneschke <lkneschke@phpgw.de> *
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* Copyright (C) 2002, 2003 Lars Kneschke *
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* ----------------------------------------------------------------- *
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* This library is part of the phpGroupWare API *
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* ----------------------------------------------------------------- *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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\*******************************************************************/
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/* $Id$ */
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class arrayfunctions
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{
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function arrayfunctions($vars='')
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{
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}
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/*
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* arfsort() - (AR)ray (F)ield Sort.
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* Sort a multi-dimensional array according
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* to a list of fields.
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* @param $a The array to sort
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* @param $fl Field list (in order of importance)
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*/
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function arfsort( $a, $fl )
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{
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$GLOBALS['__ARFSORT_LIST__'] = $fl;
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if (is_array($a))
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{
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usort( $a, array($this,'arfsort_func') );
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return $a;
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}
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return False;
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}
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/*
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* Internal sorting function for arfsort()
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*/
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function arfsort_func( $a, $b )
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{
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foreach( $GLOBALS['__ARFSORT_LIST__'] as $f )
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{
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$strc = strcmp( $a[$f], $b[$f] );
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if ( $strc != 0 )
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{
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return $strc;
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}
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}
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return 0;
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}
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} // end class arrayfunctions
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?>
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