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<?php |
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/** |
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* Server-side rendering of the `core/tag-cloud` block. |
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* |
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* @package WordPress |
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*/ |
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|
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/** |
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* Renders the `core/tag-cloud` block on server. |
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* |
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* @since 5.2.0 |
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* |
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* @param array $attributes The block attributes. |
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* |
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* @return string Returns the tag cloud for selected taxonomy. |
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*/ |
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function gutenberg_render_block_core_tag_cloud( $attributes ) { |
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$smallest_font_size = $attributes['smallestFontSize']; |
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$unit = ( preg_match( '/^[0-9.]+(?P<unit>[a-z%]+)$/i', $smallest_font_size, $m ) ? $m['unit'] : 'pt' ); |
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|
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$args = array( |
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'echo' => false, |
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'unit' => $unit, |
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'taxonomy' => $attributes['taxonomy'], |
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'show_count' => $attributes['showTagCounts'], |
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'number' => $attributes['numberOfTags'], |
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'smallest' => floatVal( $attributes['smallestFontSize'] ), |
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'largest' => floatVal( $attributes['largestFontSize'] ), |
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); |
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$tag_cloud = wp_tag_cloud( $args ); |
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|
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if ( empty( $tag_cloud ) ) { |
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// Display placeholder content when there are no tags only in editor. |
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if ( wp_is_serving_rest_request() ) { |
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$tag_cloud = __( 'There’s no content to show here yet.' ); |
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} else { |
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return ''; |
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} |
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} |
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|
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$wrapper_attributes = get_block_wrapper_attributes(); |
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|
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return sprintf( |
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'<p %1$s>%2$s</p>', |
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$wrapper_attributes, |
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$tag_cloud |
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); |
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} |
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|
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/** |
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* Registers the `core/tag-cloud` block on server. |
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* |
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* @since 5.2.0 |
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*/ |
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function gutenberg_register_block_core_tag_cloud() { |
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register_block_type_from_metadata( |
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__DIR__ . '/tag-cloud', |
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array( |
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'render_callback' => 'gutenberg_render_block_core_tag_cloud', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_tag_cloud', 20 ); |
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|
