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67 lines
2.2 KiB
PHP
67 lines
2.2 KiB
PHP
<?php
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/**************************************************************************\
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* phpGroupWare API - Arrayfunctions *
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* This file written by Lars Kneschke <lkneschke@phpgw.de> *
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* Copyright (C) 2002 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 library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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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