| 1 | <?php |
|---|
| 2 | /*******************************************************************\ |
|---|
| 3 | * phpGroupWare API - Arrayfunctions * |
|---|
| 4 | * Written by Lars Kneschke <lkneschke@phpgw.de> * |
|---|
| 5 | * Copyright (C) 2002, 2003 Lars Kneschke * |
|---|
| 6 | * ----------------------------------------------------------------- * |
|---|
| 7 | * This library is part of the phpGroupWare API * |
|---|
| 8 | * ----------------------------------------------------------------- * |
|---|
| 9 | * This program is free software; you can redistribute it and/or * |
|---|
| 10 | * modify it under the terms of the GNU General Public License as * |
|---|
| 11 | * published by the Free Software Foundation; either version 2 of * |
|---|
| 12 | * the License, or (at your option) any later version. * |
|---|
| 13 | * * |
|---|
| 14 | * This program is distributed in the hope that it will be useful, * |
|---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
|---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
|---|
| 17 | * General Public License for more details. * |
|---|
| 18 | * * |
|---|
| 19 | * You should have received a copy of the GNU General Public License * |
|---|
| 20 | * along with this program; if not, write to the Free Software * |
|---|
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * |
|---|
| 22 | \*******************************************************************/ |
|---|
| 23 | |
|---|
| 24 | class arrayfunctions |
|---|
| 25 | { |
|---|
| 26 | function arrayfunctions($vars='') |
|---|
| 27 | { |
|---|
| 28 | } |
|---|
| 29 | |
|---|
| 30 | /* |
|---|
| 31 | * arfsort() - (AR)ray (F)ield Sort. |
|---|
| 32 | * Sort a multi-dimensional array according |
|---|
| 33 | * to a list of fields. |
|---|
| 34 | * @param $a The array to sort |
|---|
| 35 | * @param $fl Field list (in order of importance) |
|---|
| 36 | */ |
|---|
| 37 | |
|---|
| 38 | function arfsort( $a, $fl, $_sort='ASC' ) |
|---|
| 39 | { |
|---|
| 40 | $GLOBALS['__ARFSORT_LIST__'] = $fl; |
|---|
| 41 | |
|---|
| 42 | $this->sort=$_sort; |
|---|
| 43 | |
|---|
| 44 | if (is_array($a)) |
|---|
| 45 | { |
|---|
| 46 | usort( $a, array($this,'arfsort_func') ); |
|---|
| 47 | return $a; |
|---|
| 48 | } |
|---|
| 49 | return False; |
|---|
| 50 | } |
|---|
| 51 | |
|---|
| 52 | /* |
|---|
| 53 | * Internal sorting function for arfsort() |
|---|
| 54 | */ |
|---|
| 55 | function arfsort_func( $a, $b ) |
|---|
| 56 | { |
|---|
| 57 | foreach( $GLOBALS['__ARFSORT_LIST__'] as $f ) |
|---|
| 58 | { |
|---|
| 59 | if($this->sort == 'ASC') |
|---|
| 60 | { |
|---|
| 61 | $strc = strcmp( $a[$f], $b[$f] ); |
|---|
| 62 | } |
|---|
| 63 | else |
|---|
| 64 | { |
|---|
| 65 | $strc = strcmp( $b[$f], $a[$f] ); |
|---|
| 66 | } |
|---|
| 67 | if ( $strc != 0 ) |
|---|
| 68 | { |
|---|
| 69 | return $strc; |
|---|
| 70 | } |
|---|
| 71 | } |
|---|
| 72 | return 0; |
|---|
| 73 | } |
|---|
| 74 | |
|---|
| 75 | } // end class arrayfunctions |
|---|
| 76 | ?> |
|---|
