-<?
+<?php
/**
** array.php
**
** This contains functions that work with array manipulation. They
** will help sort, and do other types of things with arrays
**
+ ** $Id$
**/
- $array_php = true;
+
+ if (defined ('array_php'))
+ return;
+ define ('array_php', true);
function ary_sort($ary,$col, $dir = 1){
// The globals are used because USORT determines what is passed to comp2
// These should be $this->col and $this->dir in a class
// Would beat using globals
if(!is_array($col)){
- $col = array("$col");
+ $col = array($col);
}
- $GLOBALS["col"] = $col; // Column or Columns as an array
- $GLOBALS["dir"] = $dir; // Direction, a positive number for ascending a negative for descending
+ $GLOBALS['col'] = $col; // Column or Columns as an array
+ if ($dir > 0)
+ $dir = 1;
+ else
+ $dir = -1;
+ $GLOBALS['dir'] = $dir; // Direction, a positive number for ascending a negative for descending
- usort($ary,comp2);
+ usort($ary,'array_comp2');
return $ary;
}
- function comp2($a,$b,$i = 0) {
+ function array_comp2($a,$b,$i = 0) {
global $col;
global $dir;
$c = count($col) -1;
- if ($a["$col[$i]"] == $b["$col[$i]"]){
+ if ($a[$col[$i]] == $b[$col[$i]]){
$r = 0;
while($i < $c && $r == 0){
$i++;
$r = comp2($a,$b,$i);
}
- } elseif($a["$col[$i]"] < $b["$col[$i]"]){
- $r = -1 * $dir; // Im not sure why you must * dir here, but it wont work just before the return...
- } else {
- $r = 1 * $dir;
- }
- return $r;
+ } elseif($a[$col[$i]] < $b[$col[$i]]){
+ return (- $dir);
+ }
+ return $dir;
}
function removeElement($array, $element) {
return $newArray;
}
+
+ function array_cleave($array1, $column)
+ {
+ $key=0;
+ $array2 = array();
+ while ($key < count($array1)) {
+ array_push($array2, $array1[$key][$column]);
+ $key++;
+ }
+
+ return ($array2);
+ }
+
?>