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1 | <?php |
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2 | |
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3 | /** |
4 | * array.php |
5 | * |
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6 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
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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 | */ |
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14 | |
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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'] = $dir; |
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32 | |
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33 | usort($ary,'array_comp2'); |
34 | return $ary; |
35 | } |
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36 | |
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37 | function array_comp2($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 $dir; |
53 | } |
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54 | |
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55 | function removeElement($array, $element) |
56 | { |
57 | $j = 0; |
58 | for ($i = 0;$i < count($array);$i++) { |
59 | if ($i != $element) { |
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60 | $newArray[$j] = $array[$i]; |
61 | $j++; |
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62 | } |
63 | } |
64 | return $newArray; |
65 | } |
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66 | |
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67 | function array_cleave($array1, $column) |
68 | { |
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69 | $key=0; |
70 | $array2 = array(); |
71 | while ($key < count($array1)) { |
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72 | array_push($array2, $array1[$key][$column]); |
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73 | $key++; |
74 | } |
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75 | return ($array2); |
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76 | } |
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77 | |
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78 | ?> |