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  • Translation 21.3% Update 2011-11-16 - Revision 24356 - Version ZF 1.11.x

    Rozdział 64. Zend_Tag

    64.1. Introduction

    Zend_Tag is a component suite which provides a facility to work with taggable Items. As its base, it provides two classes to work with Tags, Zend_Tag_Item and Zend_Tag_ItemList. Additionally, it comes with the interface Zend_Tag_Taggable, which allows you to use any of your models as a taggable item in conjunction with Zend_Tag.

    Zend_Tag_Item is a basic taggable item implementation which comes with the essential functionality required to work with the Zend_Tag suite. A taggable item always consists of a title and a relative weight (e.g. number of occurrences). It also stores parameters which are used by the different sub-components of Zend_Tag.

    To group multiple items together, Zend_Tag_ItemList exists as an array iterator and provides additional functionality to calculate absolute weight values based on the given relative weights of each item in it.

    Przykład 64.1. Using Zend_Tag

    This example illustrates how to create a list of tags and spread absolute weight values on them.

    // Create the item list
    $list = new Zend_Tag_ItemList();

    // Assign tags to it
    $list[] = new Zend_Tag_Item(array('title' => 'Code''weight' => 50));
    $list[] = new Zend_Tag_Item(array('title' => 'Zend Framework''weight' => 1));
    $list[] = new Zend_Tag_Item(array('title' => 'PHP''weight' => 5));

    // Spread absolute values on the items
    $list->spreadWeightValues(array(12345678910));

    // Output the items with their absolute values
    foreach ($list as $item) {
        
    printf("%s: %d\n"$item->getTitle(), $item->getParam('weightValue'));
    }

    This will output the three items Code, Zend Framework and PHP with the absolute values 10, 1 and 2.


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