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Posted by F Laupretre on 02/08/06 00:13
Le Tue, 07 Feb 2006 21:10:57 +0100, <christiang@lateral.net> a écrit:
> Actually, I tried the sorting outside my class and it works properly:
....
> usort($arr, "cmp");
If you want to keep the key associations, you must use uasort() instead of
usort().
> I have problem on modifying the array of my class, I tried even to
> remove the elements but I can't:
>
> foreach($this->relatedtags_arr as $relatedtag){
> unset($this->relatedtags_arr[$relatedtag['name_str']]);
Why do you replicate your key in the value ? Seems very complex without
need. You can keep only the key and sort on it, event with a user compare
function (with uksort). But maybe the best solution would be the opposite
method : removing the string keys and keeping the value field...
You can compare on any field with the following code inside your class :
var $field;
var $a; // Array
function sort_array($field)
{
$this->field=$field;
uasort($a,$a,$this->cmp);
}
function cmp($a1,$a2)
{
return strcmp($a1[$this->field],$a2[$this->field]);
}
//-- End of class
And you sort your array with something like :
$object->sort_array('field_name');
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