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48 lines
1.4 KiB
PHP
48 lines
1.4 KiB
PHP
<?php namespace ProcessWire;
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/**
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* ProcessWire Bootstrap API Ready
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* ===============================
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* This ready.php file is called during ProcessWire bootstrap initialization process.
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* This occurs after the current page has been determined and the API is fully ready
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* to use, but before the current page has started rendering. This file receives a
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* copy of all ProcessWire API variables. This file is an idea place for adding your
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* own hook methods.
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*
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*/
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if(!defined("PROCESSWIRE")) die();
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/** @var ProcessWire $wire */
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/**
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* Example of a custom hook method
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*
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* This hook adds a “numPosts” method to pages using template “category”.
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* The return value is the quantity of posts in category.
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*
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* Usage:
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* ~~~~~
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* $numPosts = $page->numPosts(); // returns integer
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* numPosts = $page->numPosts(true); // returns string like "5 posts"
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* ~~~~~
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*
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*/
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$wire->addHook('Page(template=category)::numPosts', function($event) {
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/** @var Page $page */
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$page = $event->object;
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// only category pages have numPosts
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if($page->template != 'category') return;
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// find number of posts
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$numPosts = $event->pages->count("template=blog-post, categories=$page");
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if($event->arguments(0) === true) {
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// if true argument was specified, format it as a "5 posts" type string
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$numPosts = sprintf(_n('%d post', '%d posts', $numPosts), $numPosts);
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}
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$event->return = $numPosts;
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});
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