123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869 |
- <?php
- /**
- * Server-side rendering of the `core/post-excerpt` block.
- *
- * @package WordPress
- */
- /**
- * Renders the `core/post-excerpt` block on the server.
- *
- * @param array $attributes Block attributes.
- * @param string $content Block default content.
- * @param WP_Block $block Block instance.
- * @return string Returns the filtered post excerpt for the current post wrapped inside "p" tags.
- */
- function render_block_core_post_excerpt( $attributes, $content, $block ) {
- if ( ! isset( $block->context['postId'] ) ) {
- return '';
- }
- $excerpt = get_the_excerpt();
- if ( empty( $excerpt ) ) {
- return '';
- }
- $more_text = ! empty( $attributes['moreText'] ) ? '<a class="wp-block-post-excerpt__more-link" href="' . esc_url( get_the_permalink( $block->context['postId'] ) ) . '">' . wp_kses_post( $attributes['moreText'] ) . '</a>' : '';
- $filter_excerpt_more = function( $more ) use ( $more_text ) {
- return empty( $more_text ) ? $more : '';
- };
- /**
- * Some themes might use `excerpt_more` filter to handle the
- * `more` link displayed after a trimmed excerpt. Since the
- * block has a `more text` attribute we have to check and
- * override if needed the return value from this filter.
- * So if the block's attribute is not empty override the
- * `excerpt_more` filter and return nothing. This will
- * result in showing only one `read more` link at a time.
- */
- add_filter( 'excerpt_more', $filter_excerpt_more );
- $classes = '';
- if ( isset( $attributes['textAlign'] ) ) {
- $classes .= "has-text-align-{$attributes['textAlign']}";
- }
- $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) );
- $content = '<p class="wp-block-post-excerpt__excerpt">' . $excerpt;
- $show_more_on_new_line = ! isset( $attributes['showMoreOnNewLine'] ) || $attributes['showMoreOnNewLine'];
- if ( $show_more_on_new_line && ! empty( $more_text ) ) {
- $content .= '</p><p class="wp-block-post-excerpt__more-text">' . $more_text . '</p>';
- } else {
- $content .= " $more_text</p>";
- }
- remove_filter( 'excerpt_more', $filter_excerpt_more );
- return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $content );
- }
- /**
- * Registers the `core/post-excerpt` block on the server.
- */
- function register_block_core_post_excerpt() {
- register_block_type_from_metadata(
- __DIR__ . '/post-excerpt',
- array(
- 'render_callback' => 'render_block_core_post_excerpt',
- )
- );
- }
- add_action( 'init', 'register_block_core_post_excerpt' );
|