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<?php |
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/** |
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* Server-side rendering of the `core/image` 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/image` block on the server, |
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* adding a data-id attribute to the element if core/gallery has added on pre-render. |
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* |
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* @param array $attributes The block attributes. |
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* @param array $content The block content. |
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* @return string Returns the block content with the data-id attribute added. |
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*/ |
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function gutenberg_render_block_core_image( $attributes, $content ) { |
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if ( isset( $attributes['data-id'] ) ) { |
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// Add the data-id="$id" attribute to the img element |
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// to provide backwards compatibility for the Gallery Block, |
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// which now wraps Image Blocks within innerBlocks. |
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// The data-id attribute is added in a core/gallery `render_block_data` hook. |
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$data_id_attribute = 'data-id="' . esc_attr( $attributes['data-id'] ) . '"'; |
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if ( ! strpos( $content, $data_id_attribute ) ) { |
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$content = str_replace( '<img', '<img ' . $data_id_attribute . ' ', $content ); |
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} |
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} |
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return $content; |
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} |
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|
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|
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/** |
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* Registers the `core/image` block on server. |
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*/ |
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function gutenberg_register_block_core_image() { |
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register_block_type_from_metadata( |
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__DIR__ . '/image', |
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array( |
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'render_callback' => 'gutenberg_render_block_core_image', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_image', 20 ); |
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|
