78 lines
1.6 KiB
PHP
78 lines
1.6 KiB
PHP
<?php
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/**
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* array.php
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*
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* Copyright (c) 1999-2002 The SquirrelMail Project Team
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* Licensed under the GNU GPL. For full terms see the file COPYING.
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*
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* This contains functions that work with array manipulation. They
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* will help sort, and do other types of things with arrays
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*
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* $Id$
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*/
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function ary_sort($ary,$col, $dir = 1)
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{
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/* The globals are used because USORT determines what is passed to comp2 */
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/* These should be $this->col and $this->dir in a class */
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/* Would beat using globals */
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if (!is_array($col)) {
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$col = array($col);
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}
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$GLOBALS['col'] = $col; /* Column or Columns as an array */
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if ($dir > 0) {
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$dir = 1;
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}
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else {
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$dir = -1;
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}
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/* Direction, a positive number for ascending a negative for descending */
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$GLOBALS['dir'] = $dir;
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usort($ary,'array_comp2');
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return $ary;
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}
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function array_comp2($a,$b,$i = 0)
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{
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global $col;
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global $dir;
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$c = count($col) -1;
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if ($a[$col[$i]] == $b[$col[$i]]) {
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$r = 0;
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while ($i < $c && $r == 0) {
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$i++;
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$r = comp2($a,$b,$i);
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}
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}
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elseif ($a[$col[$i]] < $b[$col[$i]]) {
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return (- $dir);
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}
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return $dir;
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}
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function removeElement($array, $element)
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{
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$j = 0;
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for ($i = 0;$i < count($array);$i++) {
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if ($i != $element) {
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$newArray[$j] = $array[$i];
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$j++;
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}
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}
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return $newArray;
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}
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function array_cleave($array1, $column)
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{
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$key=0;
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$array2 = array();
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while ($key < count($array1)) {
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array_push($array2, $array1[$key][$column]);
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$key++;
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}
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return ($array2);
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}
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?>
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