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1 | <? |
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 | ** |
8 | **/ |
9 | |
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10 | $array_php = true; |
11 | |
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12 | function ary_sort($ary,$col, $dir = 1){ |
13 | // The globals are used because USORT determines what is passed to comp2 |
14 | // These should be $this->col and $this->dir in a class |
15 | // Would beat using globals |
16 | if(!is_array($col)){ |
17 | $col = array("$col"); |
18 | } |
19 | $GLOBALS["col"] = $col; // Column or Columns as an array |
20 | $GLOBALS["dir"] = $dir; // Direction, a positive number for ascending a negative for descending |
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21 | |
22 | usort($ary,comp2); |
23 | return $ary; |
24 | } |
25 | |
26 | function comp2($a,$b,$i = 0) { |
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27 | global $col; |
28 | global $dir; |
29 | $c = count($col) -1; |
30 | if ($a["$col[$i]"] == $b["$col[$i]"]){ |
31 | $r = 0; |
32 | while($i < $c && $r == 0){ |
33 | $i++; |
34 | $r = comp2($a,$b,$i); |
35 | } |
36 | } elseif($a["$col[$i]"] < $b["$col[$i]"]){ |
37 | $r = -1 * $dir; // Im not sure why you must * dir here, but it wont work just before the return... |
38 | } else { |
39 | $r = 1 * $dir; |
40 | } |
41 | return $r; |
42 | } |
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43 | |
44 | function removeElement($array, $element) { |
45 | $j = 0; |
46 | for ($i = 0;$i < count($array);$i++) |
47 | if ($i != $element) { |
48 | $newArray[$j] = $array[$i]; |
49 | $j++; |
50 | } |
51 | |
52 | return $newArray; |
53 | } |
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54 | ?> |