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