99dd1264f67354545c0458bc15ff5c4431a0d2ac
1 <?
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 **/
10 function ary_sort(\$ary,\$col, \$dir = 1){
11 // The globals are used because USORT determines what is passed to comp2
12 // These should be \$this->col and \$this->dir in a class
13 // Would beat using globals
14 if(!is_array(\$col)){
15 \$col = array("\$col");
16 }
17 \$GLOBALS["col"] = \$col; // Column or Columns as an array
18 \$GLOBALS["dir"] = \$dir; // Direction, a positive number for ascending a negative for descending
20 function comp2(\$a,\$b,\$i = 0) {
21 global \$col;
22 global \$dir;
23 \$c = count(\$col) -1;
24 if (\$a["\$col[\$i]"] == \$b["\$col[\$i]"]){
25 \$r = 0;
26 while(\$i < \$c && \$r == 0){
27 \$i++;
28 \$r = comp2(\$a,\$b,\$i);
29 }
30 } elseif(\$a["\$col[\$i]"] < \$b["\$col[\$i]"]){
31 \$r = -1 * \$dir; // Im not sure why you must * dir here, but it wont work just before the return...
32 } else {
33 \$r = 1 * \$dir;
34 }
35 return \$r;
36 }
38 usort(\$ary,comp2);
39 return \$ary;
40 }
41 ?>