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1 <?php |
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2 /** |
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3 * Server-side rendering of the `core/query-pagination-next` block. |
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4 * |
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5 * @package WordPress |
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6 */ |
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7 |
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8 /** |
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9 * Renders the `core/query-pagination-next` block on the server. |
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10 * |
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11 * @param array $attributes Block attributes. |
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12 * @param string $content Block default content. |
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13 * @param WP_Block $block Block instance. |
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14 * |
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15 * @return string Returns the next posts link for the query pagination. |
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16 */ |
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17 function render_block_core_query_pagination_next( $attributes, $content, $block ) { |
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18 $page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page'; |
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19 $page = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ]; |
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20 $max_page = isset( $block->context['query']['pages'] ) ? (int) $block->context['query']['pages'] : 0; |
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21 |
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22 $wrapper_attributes = get_block_wrapper_attributes(); |
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23 $default_label = __( 'Next Page »' ); |
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24 $label = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? $attributes['label'] : $default_label; |
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25 $content = ''; |
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26 |
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27 // Check if the pagination is for Query that inherits the global context. |
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28 if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) { |
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29 $filter_link_attributes = function() use ( $wrapper_attributes ) { |
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30 return $wrapper_attributes; |
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31 }; |
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32 add_filter( 'next_posts_link_attributes', $filter_link_attributes ); |
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33 // Take into account if we have set a bigger `max page` |
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34 // than what the query has. |
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35 global $wp_query; |
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36 if ( $max_page > $wp_query->max_num_pages ) { |
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37 $max_page = $wp_query->max_num_pages; |
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38 } |
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39 $content = get_next_posts_link( $label, $max_page ); |
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40 remove_filter( 'next_posts_link_attributes', $filter_link_attributes ); |
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41 } elseif ( ! $max_page || $max_page > $page ) { |
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42 $custom_query = new WP_Query( build_query_vars_from_query_block( $block, $page ) ); |
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43 if ( (int) $custom_query->max_num_pages !== $page ) { |
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44 $content = sprintf( |
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45 '<a href="%1$s" %2$s>%3$s</a>', |
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46 esc_url( add_query_arg( $page_key, $page + 1 ) ), |
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47 $wrapper_attributes, |
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48 $label |
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49 ); |
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50 } |
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51 wp_reset_postdata(); // Restore original Post Data. |
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52 } |
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53 return $content; |
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54 } |
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55 |
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56 /** |
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57 * Registers the `core/query-pagination-next` block on the server. |
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58 */ |
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59 function register_block_core_query_pagination_next() { |
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60 register_block_type_from_metadata( |
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61 __DIR__ . '/query-pagination-next', |
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62 array( |
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63 'render_callback' => 'render_block_core_query_pagination_next', |
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64 ) |
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65 ); |
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66 } |
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67 add_action( 'init', 'register_block_core_query_pagination_next' ); |