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1 <?php |
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2 /** |
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3 * Server-side rendering of the `core/comments-pagination-previous` 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/comments-pagination-previous` 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 previous posts link for the comments pagination. |
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16 */ |
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17 function render_block_core_comments_pagination_previous( $attributes, $content, $block ) { |
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18 $default_label = __( 'Older Comments' ); |
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19 $label = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? $attributes['label'] : $default_label; |
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20 $pagination_arrow = get_comments_pagination_arrow( $block, 'previous' ); |
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21 if ( $pagination_arrow ) { |
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22 $label = $pagination_arrow . $label; |
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23 } |
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24 |
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25 $filter_link_attributes = function() { |
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26 return get_block_wrapper_attributes(); |
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27 }; |
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28 add_filter( 'previous_comments_link_attributes', $filter_link_attributes ); |
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29 |
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30 $previous_comments_link = get_previous_comments_link( $label ); |
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31 |
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32 remove_filter( 'previous_comments_link_attributes', $filter_link_attributes ); |
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33 |
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34 if ( ! isset( $previous_comments_link ) ) { |
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35 return ''; |
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36 } |
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37 |
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38 return $previous_comments_link; |
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39 } |
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40 |
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41 /** |
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42 * Registers the `core/comments-pagination-previous` block on the server. |
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43 */ |
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44 function register_block_core_comments_pagination_previous() { |
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45 register_block_type_from_metadata( |
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46 __DIR__ . '/comments-pagination-previous', |
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47 array( |
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48 'render_callback' => 'render_block_core_comments_pagination_previous', |
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49 ) |
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50 ); |
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51 } |
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52 add_action( 'init', 'register_block_core_comments_pagination_previous' ); |