[903] | 1 | <?php |
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| 2 | /*******************************************************************\ |
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| 3 | * phpGroupWare API - Arrayfunctions * |
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| 4 | * Written by Lars Kneschke <lkneschke@phpgw.de> * |
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| 5 | * Copyright (C) 2002, 2003 Lars Kneschke * |
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| 6 | * ----------------------------------------------------------------- * |
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| 7 | * This library is part of the phpGroupWare API * |
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| 8 | * ----------------------------------------------------------------- * |
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| 9 | * This program is free software; you can redistribute it and/or * |
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| 10 | * modify it under the terms of the GNU General Public License as * |
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| 11 | * published by the Free Software Foundation; either version 2 of * |
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| 12 | * the License, or (at your option) any later version. * |
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| 13 | * * |
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| 14 | * This program is distributed in the hope that it will be useful, * |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
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| 17 | * General Public License for more details. * |
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| 18 | * * |
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| 19 | * You should have received a copy of the GNU General Public License * |
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| 20 | * along with this program; if not, write to the Free Software * |
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| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * |
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| 22 | \*******************************************************************/ |
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| 23 | |
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| 24 | class arrayfunctions |
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| 25 | { |
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| 26 | function arrayfunctions($vars='') |
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| 27 | { |
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| 28 | } |
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| 29 | |
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| 30 | /* |
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| 31 | * arfsort() - (AR)ray (F)ield Sort. |
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| 32 | * Sort a multi-dimensional array according |
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| 33 | * to a list of fields. |
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| 34 | * @param $a The array to sort |
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| 35 | * @param $fl Field list (in order of importance) |
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| 36 | */ |
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| 37 | |
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| 38 | function arfsort( $a, $fl, $_sort='ASC' ) |
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| 39 | { |
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| 40 | $GLOBALS['__ARFSORT_LIST__'] = $fl; |
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| 41 | |
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| 42 | $this->sort=$_sort; |
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| 43 | |
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| 44 | if (is_array($a)) |
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| 45 | { |
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| 46 | usort( $a, array($this,'arfsort_func') ); |
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| 47 | return $a; |
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| 48 | } |
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| 49 | return False; |
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| 50 | } |
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| 51 | |
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| 52 | /* |
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| 53 | * Internal sorting function for arfsort() |
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| 54 | */ |
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| 55 | function arfsort_func( $a, $b ) |
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| 56 | { |
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| 57 | foreach( $GLOBALS['__ARFSORT_LIST__'] as $f ) |
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| 58 | { |
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| 59 | if($this->sort == 'ASC') |
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| 60 | { |
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| 61 | $strc = strcmp( $a[$f], $b[$f] ); |
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| 62 | } |
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| 63 | else |
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| 64 | { |
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| 65 | $strc = strcmp( $b[$f], $a[$f] ); |
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| 66 | } |
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| 67 | if ( $strc != 0 ) |
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| 68 | { |
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| 69 | return $strc; |
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| 70 | } |
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| 71 | } |
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| 72 | return 0; |
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| 73 | } |
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| 74 | |
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| 75 | } // end class arrayfunctions |
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| 76 | ?> |
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