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<?php |
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/** |
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* Carbon Pagination - single post pagination class. |
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* Provides the pagination for singular post. |
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* |
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* @uses Carbon_Pagination_HTML |
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*/ |
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class Carbon_Pagination_Post extends Carbon_Pagination_HTML { |
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/** |
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* Constructor. |
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* Creates and configures a new pagination with the provided settings. |
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* |
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* @param array $args Configuration options to modify the pagination settings. |
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*/ |
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public function __construct( $args = array() ) { |
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global $post; |
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// get all sibling posts/pages |
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$posts = $this->get_pagination_posts(); |
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// specify the default args for the Post pagination |
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$this->default_args = array( |
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// specify the sibling posts/pages for pagination pages |
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'pages' => $posts, |
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// the current post/page is the current page |
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'current_page' => array_search( get_the_ID(), $posts ) + 1, |
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// modify the text of the previous page link |
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'prev_html' => '<a href="{URL}" class="paging-prev">' . esc_html__( '« Previous Entry', 'crb' ) . '</a>', |
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// modify the text of the next page link |
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'next_html' => '<a href="{URL}" class="paging-next">' . esc_html__( 'Next Entry »', 'crb' ) . '</a>', |
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); |
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// register additional tokens |
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add_filter( 'carbon_pagination_after_setup_item', array( $this, 'add_tokens' ) ); |
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parent::__construct( $args ); |
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} |
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/** |
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* Retrieve the posts that we'll paginate through. |
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* |
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* @return array $posts The posts to paginate through. |
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*/ |
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public function get_pagination_posts() { |
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global $post; |
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// specify default query args to get all sibling posts/pages |
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$query = array( |
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'post_type' => get_post_type( get_the_ID() ), |
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'posts_per_page' => -1, |
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'fields' => 'ids', |
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); |
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// allow the default query args to be filtered |
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$query = apply_filters( 'carbon_pagination_post_pagination_query', $query, $this ); |
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// get all sibling posts/pages |
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$posts = get_posts( $query ); |
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return $posts; |
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} |
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/** |
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* Get the URL to a certain page. |
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* |
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* @param int $page_number The page number. |
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* @param string $old_url Optional. The URL to add the page number to. |
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* @return string $url The URL to the page number. |
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*/ |
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public function get_page_url( $page_number, $old_url = '' ) { |
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$posts = $this->get_pages(); |
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$page = 0; |
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if ( isset( $posts[ $page_number ] ) ) { |
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$page = $posts[ $page_number ]; |
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} |
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$url = get_permalink( $page ); |
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return $url; |
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} |
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/** |
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* Add tokens to all post items. |
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* Registers the {TITLE} token for this pagination type |
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* |
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* @param Carbon_Pagination_Item $item The item to add tokens to. |
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*/ |
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public function add_tokens( Carbon_Pagination_Item $item ) { |
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if ( ! ( $item instanceof Carbon_Pagination_Item_Page ) ) { |
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return; |
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} |
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$tokens = $item->get_tokens(); |
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$tokens['TITLE'] = $this->get_post_title( $item ); |
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$item->set_tokens( $tokens ); |
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} |
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/** |
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* Retrieve the title of a certain post. |
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* |
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* @param Carbon_Pagination_Item $item The item to add tokens to. |
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* @return string $title The title of the item's corresponding post. |
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*/ |
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public function get_post_title( Carbon_Pagination_Item $item ) { |
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if ( ! ( $item instanceof Carbon_Pagination_Item_Page ) ) { |
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return; |
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} |
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$page_number = $item->get_page_number(); |
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$pages = $this->get_pages(); |
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$title = get_post_field( 'post_title', $pages[ $page_number ] ); |
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$title = apply_filters( 'the_title', $title ); |
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return $title; |
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} |
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} |
2createStudio /
carbon-pagination
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