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