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excerpt_remove_blocks ›

Since5.0.0
已弃用n/a
excerpt_remove_blocks ( $content )
参数:
  • (string) $content The content to parse.
    Required: Yes
返回:
  • (string) The parsed and filtered content.
定义在:
文档:

Parses blocks out of a content string, and renders those appropriate for the excerpt.

As the excerpt should be a small string of text relevant to the full post content, this function renders the blocks that are most likely to contain such text.



源码

function excerpt_remove_blocks( $content ) {
	$allowed_inner_blocks = array(
		// Classic blocks have their blockName set to null.
		null,
		'core/freeform',
		'core/heading',
		'core/html',
		'core/list',
		'core/media-text',
		'core/paragraph',
		'core/preformatted',
		'core/pullquote',
		'core/quote',
		'core/table',
		'core/verse',
	);

	$allowed_blocks = array_merge( $allowed_inner_blocks, array( 'core/columns' ) );

	/**
	 * Filters the list of blocks that can contribute to the excerpt.
	 *
	 * If a dynamic block is added to this list, it must not generate another
	 * excerpt, as this will cause an infinite loop to occur.
	 *
	 * @since 5.0.0
	 *
	 * @param array $allowed_blocks The list of allowed blocks.
	 */
	$allowed_blocks = apply_filters( 'excerpt_allowed_blocks', $allowed_blocks );
	$blocks         = parse_blocks( $content );
	$output         = '';

	foreach ( $blocks as $block ) {
		if ( in_array( $block['blockName'], $allowed_blocks, true ) ) {
			if ( ! empty( $block['innerBlocks'] ) ) {
				if ( 'core/columns' === $block['blockName'] ) {
					$output .= _excerpt_render_inner_columns_blocks( $block, $allowed_inner_blocks );
					continue;
				}

				// Skip the block if it has disallowed or nested inner blocks.
				foreach ( $block['innerBlocks'] as $inner_block ) {
					if (
						! in_array( $inner_block['blockName'], $allowed_inner_blocks, true ) ||
						! empty( $inner_block['innerBlocks'] )
					) {
						continue 2;
					}
				}
			}

			$output .= render_block( $block );
		}
	}

	return $output;
}