functions/array.php

   1 <?php
   2
   3 /**
   4  * array.php
   5  *
   6  * Copyright (c) 1999-2001 The Squirrelmail Development Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This contains functions that work with array manipulation.  They
  10  * will help sort, and do other types of things with arrays
  11  *
  12  * $Id$
  13  */
  14
  15 function ary_sort($ary,$col, $dir = 1)
  16 {
  17     /* The globals are used because USORT determines what is passed to comp2 */
  18     /* These should be $this->col and $this->dir in a class */
  19     /* Would beat using globals */
  20     if (!is_array($col)) {
  21         $col = array($col);
  22     }
  23     $GLOBALS['col'] = $col;  /* Column or Columns as an array */
  24     if ($dir > 0) {
  25         $dir = 1;
  26     }
  27     else {
  28         $dir = -1;
  29     }
  30     /* Direction, a positive number for ascending a negative for descending */
  31     $GLOBALS['dir'] = $dir;
  32
  33     usort($ary,'array_comp2');
  34     return $ary;
  35 }
  36
  37 function array_comp2($a,$b,$i = 0)
  38 {
  39     global $col;
  40     global $dir;
  41     $c = count($col) -1;
  42     if ($a[$col[$i]] == $b[$col[$i]]) {
  43         $r = 0;
  44         while ($i < $c && $r == 0) {
  45             $i++;
  46             $r = comp2($a,$b,$i);
  47         }
  48     }
  49     elseif ($a[$col[$i]] < $b[$col[$i]]) {
  50         return (- $dir);
  51     }
  52     return $dir;
  53 }
  54
  55 function removeElement($array, $element)
  56 {
  57     $j = 0;
  58     for ($i = 0;$i < count($array);$i++) {
  59         if ($i != $element) {
  60             $newArray[$j] = $array[$i];
  61             $j++;
  62         }
  63     }
  64     return $newArray;
  65 }
  66
  67 function array_cleave($array1, $column)
  68 {
  69     $key=0;
  70     $array2 = array();
  71     while ($key < count($array1)) {
  72         array_push($array2, $array1[$key][$column]);
  73         $key++;
  74     }
  75     return ($array2);
  76 }
  77
  78 ?>