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<?php
/**
* array.php
*
* Copyright (c) 1999-2002 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This contains functions that work with array manipulation. They
* will help sort, and do other types of things with arrays
*
* $Id: array.php,v 1.21 2001/12/23 07:42:38 thomppj Exp $
*/
function ary_sort($ary,$col, $dir = 1)
{
/* The globals are used because USORT determines what is passed to comp2 */
/* These should be $this->col and $this->dir in a class */
/* Would beat using globals */
if (!is_array($col)) {
$col = array($col);
}
$GLOBALS['col'] = $col; /* Column or Columns as an array */
if ($dir > 0) {
$dir = 1;
}
else {
$dir = -1;
}
/* Direction, a positive number for ascending a negative for descending */
$GLOBALS['dir'] = $dir;
usort($ary,'array_comp2');
return $ary;
}
function array_comp2($a,$b,$i = 0)
{
global $col;
global $dir;
$c = count($col) -1;
if ($a[$col[$i]] == $b[$col[$i]]) {
$r = 0;
while ($i < $c && $r == 0) {
$i++;
$r = comp2($a,$b,$i);
}
}
elseif ($a[$col[$i]] < $b[$col[$i]]) {
return (- $dir);
}
return $dir;
}
function removeElement($array, $element)
{
$j = 0;
for ($i = 0;$i < count($array);$i++) {
if ($i != $element) {
$newArray[$j] = $array[$i];
$j++;
}
}
return $newArray;
}
function array_cleave($array1, $column)
{
$key=0;
$array2 = array();
while ($key < count($array1)) {
array_push($array2, $array1[$key][$column]);
$key++;
}
return ($array2);
}
?>
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