| 1 | <?php |
| 2 | /** |
| 3 | ** array.php |
| 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 | |
| 10 | $array_php = true; |
| 11 | |
| 12 | function ary_sort($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"] = $dir; // Direction, a positive number for ascending a negative for descending |
| 21 | |
| 22 | usort($ary,comp2); |
| 23 | return $ary; |
| 24 | } |
| 25 | |
| 26 | function comp2($a,$b,$i = 0) { |
| 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 $r; |
| 42 | } |
| 43 | |
| 44 | function removeElement($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 $newArray; |
| 53 | } |
| 54 | |
| 55 | function array_cleave($array1, $column) |
| 56 | { |
| 57 | $key=0; |
| 58 | $array2 = array(); |
| 59 | while ($key < count($array1)) { |
| 60 | array_push($array2, $array1[$key]["$column"]); |
| 61 | $key++; |
| 62 | } |
| 63 | |
| 64 | return ($array2); |
| 65 | } |
| 66 | |
| 67 | ?> |