flywp / includes / StaticSite / Engine / Discovery / Pagination.php

Pagination.php in FlyWP Helper – Page Cache, Page Optimization, Emails for FlyWP Server Control Panel 1.8.0, at includes/StaticSite/Engine/Discovery/Pagination.php

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1	<?php
2
3	namespace FlyWP\StaticSite\Engine\Discovery;
4
5	/**
6	* Pagination URLs of a list page.
7	*
8	* Pages come from the item count and posts_per_page. The URL format comes from the gateway (not a fixed "/page/N/").
9	*
10	* @since 1.8.0
11	*/
12	class Pagination {
13
14	/**
15	* @param int $item_count Number of items in the list.
16	* @param int $per_page Items on one page.
17	*
18	* @return int Number of pages, 1 or more. posts_per_page 0 or less (for example -1) shows all items on one page.
19	*/
20	public static function page_count( $item_count, $per_page ) {
21	if ( (int) $per_page <= 0 ) {
22	return 1;
23	}
24
25	return max( 1, (int) ceil( (int) $item_count / (int) $per_page ) );
26	}
27
28	/**
29	* URLs of page 2 and later pages.
30	*
31	* @param WordPressGateway $wp Gateway.
32	* @param string $base_url Page 1 URL.
33	* @param int $item_count Number of items in the list.
34	*
35	* @return \Generator<DiscoveredUrl>
36	*/
37	public static function urls( WordPressGateway $wp, $base_url, $item_count ) {
38	$last = self::page_count( $item_count, $wp->option( 'posts_per_page' ) );
39
40	for ( $page = 2; $page <= $last; $page++ ) {
41	yield new DiscoveredUrl( $wp->paged_url( $base_url, $page ), 'pagination' );
42	}
43	}
44	}
45