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File: Documentation
Role: Documentation
Content type: text/plain
Description: Documentation on how to use the list
Class: Sorted List
Sort objects of a double linked list
Author: By
Last change:
Date: 17 years ago
Size: 887 bytes
 

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** * This list extends from the LinkList and it's characteristic is that it is * always sorted. For that to work it requires a comparison function when it * is created with the following format. * * function compare_objects($obj_1, $obj_2){ * * if ($obj_1->getValue() > $obj_2->getValue()) $result = BIGGER; * if ($obj_1->getValue() == $obj_2->getValue()) $result = EQUAL; * if ($obj_1->getValue() < $obj_2->getValue()) $result = SMALLER; * * return $result; * } * * The instantiation should be like this: * * $myList = new SortedList("compare_objects"); * * It should work similarly for any type of data, including objects and arrays. * The only order supported in this version is increasing. But as it is a Double * Linked List, you can iterate through it in reverse order to get the elements * in decreasing order. * * BARBAZUL **