83 lines
2.5 KiB
PHP
83 lines
2.5 KiB
PHP
<?php
|
|
/**
|
|
* Server-side rendering of the `core/cover` block.
|
|
*
|
|
* @package WordPress
|
|
*/
|
|
|
|
/**
|
|
* Renders the `core/cover` block on server.
|
|
*
|
|
* @since 6.0.0
|
|
*
|
|
* @param array $attributes The block attributes.
|
|
* @param string $content The block rendered content.
|
|
*
|
|
* @return string Returns the cover block markup, if useFeaturedImage is true.
|
|
*/
|
|
function render_block_core_cover( $attributes, $content ) {
|
|
if ( 'image' !== $attributes['backgroundType'] || false === $attributes['useFeaturedImage'] ) {
|
|
return $content;
|
|
}
|
|
|
|
if ( ! ( $attributes['hasParallax'] || $attributes['isRepeated'] ) ) {
|
|
$attr = array(
|
|
'class' => 'wp-block-cover__image-background',
|
|
'data-object-fit' => 'cover',
|
|
);
|
|
|
|
if ( isset( $attributes['focalPoint'] ) ) {
|
|
$object_position = round( $attributes['focalPoint']['x'] * 100 ) . '% ' . round( $attributes['focalPoint']['y'] * 100 ) . '%';
|
|
$attr['data-object-position'] = $object_position;
|
|
$attr['style'] = 'object-position: ' . $object_position;
|
|
}
|
|
|
|
$image = get_the_post_thumbnail( null, 'post-thumbnail', $attr );
|
|
|
|
/*
|
|
* Inserts the featured image between the (1st) cover 'background' `span` and 'inner_container' `div`,
|
|
* and removes eventual whitespace characters between the two (typically introduced at template level)
|
|
*/
|
|
$inner_container_start = '/<div\b[^>]+wp-block-cover__inner-container[\s|"][^>]*>/U';
|
|
if ( 1 === preg_match( $inner_container_start, $content, $matches, PREG_OFFSET_CAPTURE ) ) {
|
|
$offset = $matches[0][1];
|
|
$content = substr( $content, 0, $offset ) . $image . substr( $content, $offset );
|
|
}
|
|
} else {
|
|
if ( in_the_loop() ) {
|
|
update_post_thumbnail_cache();
|
|
}
|
|
$current_featured_image = get_the_post_thumbnail_url();
|
|
if ( ! $current_featured_image ) {
|
|
return $content;
|
|
}
|
|
|
|
$processor = new WP_HTML_Tag_Processor( $content );
|
|
$processor->next_tag();
|
|
|
|
$styles = $processor->get_attribute( 'style' );
|
|
$merged_styles = ! empty( $styles ) ? $styles . ';' : '';
|
|
$merged_styles .= 'background-image:url(' . esc_url( $current_featured_image ) . ');';
|
|
|
|
$processor->set_attribute( 'style', $merged_styles );
|
|
$content = $processor->get_updated_html();
|
|
}
|
|
|
|
return $content;
|
|
}
|
|
|
|
/**
|
|
* Registers the `core/cover` block renderer on server.
|
|
*
|
|
* @since 6.0.0
|
|
*/
|
|
function register_block_core_cover() {
|
|
register_block_type_from_metadata(
|
|
__DIR__ . '/cover',
|
|
array(
|
|
'render_callback' => 'render_block_core_cover',
|
|
)
|
|
);
|
|
}
|
|
add_action( 'init', 'register_block_core_cover' );
|