FM / wp-includes

/home/altere25/berryglowbeauty.com/wp-includes/

/home/altere25/berryglowbeauty.com/wp-includes

Name	Size	Mode	Actions
blocks/	-	0755	rm
certificates/	-	0755	rm
css/	-	0755	rm
customize/	-	0755	rm
fonts/	-	0755	rm
ID3/	-	0755	rm
images/	-	0755	rm
IXR/	-	0755	rm
js/	-	0755	rm
pomo/	-	0755	rm
random_compat/	-	0755	rm
Requests/	-	0755	rm
rest-api/	-	0755	rm
SimplePie/	-	0755	rm
sodium_compat/	-	0755	rm
Text/	-	0755	rm
theme-compat/	-	0755	rm
widgets/	-	0755	rm
.htaccess	178	0644	edit dl rm
admin-bar.php	30952	0644	edit dl rm
atomlib.php	11840	0644	edit dl rm
author-template.php	16995	0644	edit dl rm
blocks.php	19242	0644	edit dl rm
bookmark-template.php	12497	0644	edit dl rm
bookmark.php	15014	0644	edit dl rm
cache.php	21874	0644	edit dl rm
canonical.php	29474	0644	edit dl rm
capabilities.php	34089	0644	edit dl rm
category-template.php	52638	0644	edit dl rm
category.php	12378	0644	edit dl rm
class-feed.php	544	0644	edit dl rm
class-http.php	38763	0644	edit dl rm
class-IXR.php	2573	0644	edit dl rm
class-json.php	43390	0644	edit dl rm
class-oembed.php	410	0644	edit dl rm
class-phpass.php	7317	0644	edit dl rm
class-phpmailer.php	148592	0644	edit dl rm
class-pop3.php	20919	0644	edit dl rm
class-requests.php	29798	0644	edit dl rm
class-simplepie.php	89264	0644	edit dl rm
class-smtp.php	40919	0644	edit dl rm
class-snoopy.php	37785	0644	edit dl rm
class-walker-category-dropdown.php	2127	0644	edit dl rm
class-walker-category.php	7874	0644	edit dl rm
class-walker-comment.php	13685	0644	edit dl rm
class-walker-nav-menu.php	8669	0644	edit dl rm
class-walker-page-dropdown.php	2299	0644	edit dl rm
class-walker-page.php	7033	0644	edit dl rm
class-wp-admin-bar.php	16951	0644	edit dl rm
class-wp-ajax-response.php	5235	0644	edit dl rm
class-wp-block-parser.php	15215	0644	edit dl rm
class-wp-block-styles-registry.php	4663	0644	edit dl rm
class-wp-block-type-registry.php	5091	0644	edit dl rm
class-wp-block-type.php	4815	0644	edit dl rm
class-wp-comment-query.php	44514	0644	edit dl rm
class-wp-comment.php	8961	0644	edit dl rm
class-wp-customize-control.php	25054	0644	edit dl rm
class-wp-customize-manager.php	203252	0644	edit dl rm
class-wp-customize-nav-menus.php	54963	0644	edit dl rm
class-wp-customize-panel.php	9596	0644	edit dl rm
class-wp-customize-section.php	10168	0644	edit dl rm
class-wp-customize-setting.php	28191	0644	edit dl rm
class-wp-customize-widgets.php	66978	0644	edit dl rm
class-wp-date-query.php	35276	0644	edit dl rm
class-wp-dependency.php	2501	0644	edit dl rm
class-wp-editor.php	68219	0644	edit dl rm
class-wp-embed.php	14746	0644	edit dl rm
class-wp-error.php	4923	0644	edit dl rm
class-wp-fatal-error-handler.php	7429	0644	edit dl rm
class-wp-feed-cache-transient.php	2560	0644	edit dl rm
class-wp-feed-cache.php	749	0644	edit dl rm
class-wp-hook.php	14294	0644	edit dl rm
class-wp-http-cookie.php	7146	0644	edit dl rm
class-wp-http-curl.php	12327	0644	edit dl rm
class-wp-http-encoding.php	6542	0644	edit dl rm
class-wp-http-ixr-client.php	3331	0644	edit dl rm
class-wp-http-proxy.php	6077	0644	edit dl rm
class-wp-http-requests-hooks.php	1949	0644	edit dl rm
class-wp-http-requests-response.php	4343	0644	edit dl rm
class-wp-http-response.php	2951	0644	edit dl rm
class-wp-http-streams.php	16070	0644	edit dl rm
class-wp-image-editor-gd.php	13886	0644	edit dl rm
class-wp-image-editor-imagick.php	28828	0644	edit dl rm
class-wp-image-editor.php	13911	0644	edit dl rm
class-wp-list-util.php	6407	0644	edit dl rm
class-wp-locale-switcher.php	5022	0644	edit dl rm
class-wp-locale.php	13893	0644	edit dl rm
class-wp-matchesmapregex.php	1804	0644	edit dl rm
class-wp-meta-query.php	27847	0644	edit dl rm
class-wp-metadata-lazyloader.php	5384	0644	edit dl rm
class-wp-network-query.php	18368	0644	edit dl rm
class-wp-network.php	12284	0644	edit dl rm
class-wp-oembed-controller.php	6027	0644	edit dl rm
class-wp-oembed.php	30174	0644	edit dl rm
class-wp-paused-extensions-storage.php	4933	0644	edit dl rm
class-wp-post-type.php	19527	0644	edit dl rm
class-wp-post.php	6441	0644	edit dl rm
class-wp-query.php	131083	0644	edit dl rm
class-wp-recovery-mode-cookie-service.php	6459	0644	edit dl rm
class-wp-recovery-mode-email-service.php	10122	0644	edit dl rm
class-wp-recovery-mode-key-service.php	4284	0644	edit dl rm
class-wp-recovery-mode-link-service.php	3370	0644	edit dl rm
class-wp-recovery-mode.php	11358	0644	edit dl rm
class-wp-rewrite.php	59893	0644	edit dl rm
class-wp-role.php	2661	0644	edit dl rm
class-wp-roles.php	8300	0644	edit dl rm
class-wp-session-tokens.php	7430	0644	edit dl rm
class-wp-simplepie-file.php	2326	0644	edit dl rm
class-wp-simplepie-sanitize-kses.php	1775	0644	edit dl rm
class-wp-site-query.php	28531	0644	edit dl rm
class-wp-site.php	7367	0644	edit dl rm
class-wp-tax-query.php	19440	0644	edit dl rm
class-wp-taxonomy.php	10688	0644	edit dl rm
class-wp-term-query.php	35423	0644	edit dl rm
class-wp-term.php	5265	0644	edit dl rm
class-wp-text-diff-renderer-inline.php	716	0644	edit dl rm
class-wp-text-diff-renderer-table.php	16796	0644	edit dl rm
class-wp-theme.php	50973	0644	edit dl rm
class-wp-user-meta-session-tokens.php	2990	0644	edit dl rm
class-wp-user-query.php	31298	0644	edit dl rm
class-wp-user-request.php	1996	0644	edit dl rm
class-wp-user.php	21766	0644	edit dl rm
class-wp-walker.php	12718	0644	edit dl rm
class-wp-widget-factory.php	2853	0644	edit dl rm
class-wp-widget.php	17842	0644	edit dl rm
class-wp-xmlrpc-server.php	210072	0644	edit dl rm
class-wp.php	24551	0644	edit dl rm
class.wp-dependencies.php	11524	0644	edit dl rm
class.wp-scripts.php	17756	0644	edit dl rm
class.wp-styles.php	10532	0644	edit dl rm
comment-template.php	91640	0644	edit dl rm
comment.php	117233	0644	edit dl rm
compat.php	12982	0644	edit dl rm
cron.php	32451	0644	edit dl rm
date.php	409	0644	edit dl rm
default-constants.php	10122	0644	edit dl rm
default-filters.php	25894	0644	edit dl rm
default-widgets.php	2180	0644	edit dl rm
deprecated.php	114644	0644	edit dl rm
embed-template.php	344	0644	edit dl rm
embed.php	47367	0644	edit dl rm
error-protection.php	3387	0644	edit dl rm
error_log	1764	0644	edit dl rm
feed-atom-comments.php	5405	0644	edit dl rm
feed-atom.php	3081	0644	edit dl rm
feed-rdf.php	2660	0644	edit dl rm
feed-rss.php	1190	0644	edit dl rm
feed-rss2-comments.php	4150	0644	edit dl rm
feed-rss2.php	3782	0644	edit dl rm
feed.php	22022	0644	edit dl rm
formatting.php	298428	0644	edit dl rm
functions.php	228155	0644	edit dl rm
functions.wp-scripts.php	12824	0644	edit dl rm
functions.wp-styles.php	8219	0644	edit dl rm
general-template.php	152465	0644	edit dl rm
http.php	24324	0644	edit dl rm
kses.php	58723	0644	edit dl rm
l10n.php	53102	0644	edit dl rm
link-template.php	143524	0644	edit dl rm
load.php	43291	0644	edit dl rm
locale.php	162	0644	edit dl rm
media-template.php	57710	0644	edit dl rm
media.php	149717	0644	edit dl rm
meta.php	47749	0644	edit dl rm
ms-blogs.php	24413	0644	edit dl rm
ms-default-constants.php	4785	0644	edit dl rm
ms-default-filters.php	6414	0644	edit dl rm
ms-deprecated.php	21344	0644	edit dl rm
ms-files.php	2649	0644	edit dl rm
ms-functions.php	87638	0644	edit dl rm
ms-load.php	19624	0644	edit dl rm
ms-network.php	3658	0644	edit dl rm
ms-settings.php	4134	0644	edit dl rm
ms-site.php	43073	0644	edit dl rm
nav-menu-template.php	22053	0644	edit dl rm
nav-menu.php	41317	0644	edit dl rm
option.php	70145	0644	edit dl rm
pluggable-deprecated.php	6262	0644	edit dl rm
pluggable.php	99833	0644	edit dl rm
plugin.php	32317	0644	edit dl rm
post-formats.php	7053	0644	edit dl rm
post-template.php	62915	0644	edit dl rm
post-thumbnail-template.php	8988	0644	edit dl rm
post.php	244611	0644	edit dl rm
query.php	32929	0644	edit dl rm
registration-functions.php	202	0644	edit dl rm
registration.php	202	0644	edit dl rm
rest-api.php	46630	0644	edit dl rm
revision.php	21686	0644	edit dl rm
rewrite.php	18030	0644	edit dl rm
rss-functions.php	214	0644	edit dl rm
rss.php	23208	0644	edit dl rm
script-loader.php	113551	0644	edit dl rm
session.php	264	0644	edit dl rm
shortcodes.php	21704	0644	edit dl rm
spl-autoload-compat.php	443	0644	edit dl rm
taxonomy.php	157961	0644	edit dl rm
template-loader.php	3190	0644	edit dl rm
template.php	21046	0644	edit dl rm
theme.php	104876	0644	edit dl rm
update.php	25573	0644	edit dl rm
user.php	124532	0644	edit dl rm
vars.php	5815	0644	edit dl rm
version.php	762	0644	edit dl rm
widgets.php	58750	0644	edit dl rm
wlwmanifest.xml	1045	0644	edit dl rm
wp-db.php	103829	0644	edit dl rm
wp-diff.php	662	0644	edit dl rm

Edit: /home/altere25/berryglowbeauty.com/wp-includes/blocks.php (19242B)

<?php
/**
 * Functions related to registering and parsing blocks.
 *
 * @package WordPress
 * @subpackage Blocks
 * @since 5.0.0
 */

/**
 * Registers a block type.
 *
 * @since 5.0.0
 *
 * @param string|WP_Block_Type $name Block type name including namespace, or alternatively a
 *                                   complete WP_Block_Type instance. In case a WP_Block_Type
 *                                   is provided, the $args parameter will be ignored.
 * @param array                $args {
 *     Optional. Array of block type arguments. Any arguments may be defined, however the
 *     ones described below are supported by default. Default empty array.
 *
 *     @type callable $render_callback Callback used to render blocks of this block type.
 * }
 * @return WP_Block_Type|false The registered block type on success, or false on failure.
 */
function register_block_type( $name, $args = array() ) {
	return WP_Block_Type_Registry::get_instance()->register( $name, $args );
}

/**
 * Unregisters a block type.
 *
 * @since 5.0.0
 *
 * @param string|WP_Block_Type $name Block type name including namespace, or alternatively a
 *                                   complete WP_Block_Type instance.
 * @return WP_Block_Type|false The unregistered block type on success, or false on failure.
 */
function unregister_block_type( $name ) {
	return WP_Block_Type_Registry::get_instance()->unregister( $name );
}

/**
 * Determine whether a post or content string has blocks.
 *
 * This test optimizes for performance rather than strict accuracy, detecting
 * the pattern of a block but not validating its structure. For strict accuracy,
 * you should use the block parser on post content.
 *
 * @since 5.0.0
 * @see parse_blocks()
 *
 * @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object. Defaults to global $post.
 * @return bool Whether the post has blocks.
 */
function has_blocks( $post = null ) {
	if ( ! is_string( $post ) ) {
		$wp_post = get_post( $post );
		if ( $wp_post instanceof WP_Post ) {
			$post = $wp_post->post_content;
		}
	}

return false !== strpos( (string) $post, '<!-- wp:' );
}

/**
 * Determine whether a $post or a string contains a specific block type.
 *
 * This test optimizes for performance rather than strict accuracy, detecting
 * the block type exists but not validating its structure. For strict accuracy,
 * you should use the block parser on post content.
 *
 * @since 5.0.0
 * @see parse_blocks()
 *
 * @param string                  $block_name Full Block type to look for.
 * @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object. Defaults to global $post.
 * @return bool Whether the post content contains the specified block.
 */
function has_block( $block_name, $post = null ) {
	if ( ! has_blocks( $post ) ) {
		return false;
	}

if ( ! is_string( $post ) ) {
		$wp_post = get_post( $post );
		if ( $wp_post instanceof WP_Post ) {
			$post = $wp_post->post_content;
		}
	}

/*
	 * Normalize block name to include namespace, if provided as non-namespaced.
	 * This matches behavior for WordPress 5.0.0 - 5.3.0 in matching blocks by
	 * their serialized names.
	 */
	if ( false === strpos( $block_name, '/' ) ) {
		$block_name = 'core/' . $block_name;
	}

// Test for existence of block by its fully qualified name.
	$has_block = false !== strpos( $post, '<!-- wp:' . $block_name . ' ' );

if ( ! $has_block ) {
		/*
		 * If the given block name would serialize to a different name, test for
		 * existence by the serialized form.
		 */
		$serialized_block_name = strip_core_block_namespace( $block_name );
		if ( $serialized_block_name !== $block_name ) {
			$has_block = false !== strpos( $post, '<!-- wp:' . $serialized_block_name . ' ' );
		}
	}

return $has_block;
}

/**
 * Returns an array of the names of all registered dynamic block types.
 *
 * @since 5.0.0
 *
 * @return array Array of dynamic block names.
 */
function get_dynamic_block_names() {
	$dynamic_block_names = array();

$block_types = WP_Block_Type_Registry::get_instance()->get_all_registered();
	foreach ( $block_types as $block_type ) {
		if ( $block_type->is_dynamic() ) {
			$dynamic_block_names[] = $block_type->name;
		}
	}

return $dynamic_block_names;
}

/**
 * Given an array of attributes, returns a string in the serialized attributes
 * format prepared for post content.
 *
 * The serialized result is a JSON-encoded string, with unicode escape sequence
 * substitution for characters which might otherwise interfere with embedding
 * the result in an HTML comment.
 *
 * @since 5.3.1
 *
 * @param array $attributes Attributes object.
 * @return string Serialized attributes.
 */
function serialize_block_attributes( $block_attributes ) {
	$encoded_attributes = json_encode( $block_attributes );
	$encoded_attributes = preg_replace( '/--/', '\\u002d\\u002d', $encoded_attributes );
	$encoded_attributes = preg_replace( '/</', '\\u003c', $encoded_attributes );
	$encoded_attributes = preg_replace( '/>/', '\\u003e', $encoded_attributes );
	$encoded_attributes = preg_replace( '/&/', '\\u0026', $encoded_attributes );
	// Regex: /\\"/
	$encoded_attributes = preg_replace( '/\\\\"/', '\\u0022', $encoded_attributes );

return $encoded_attributes;
}

/**
 * Returns the block name to use for serialization. This will remove the default
 * "core/" namespace from a block name.
 *
 * @since 5.3.1
 *
 * @param string $block_name Original block name.
 * @return string Block name to use for serialization.
 */
function strip_core_block_namespace( $block_name = null ) {
	if ( is_string( $block_name ) && 0 === strpos( $block_name, 'core/' ) ) {
		return substr( $block_name, 5 );
	}

return $block_name;
}

/**
 * Returns the content of a block, including comment delimiters.
 *
 * @since 5.3.1
 *
 * @param string $block_name Block name.
 * @param array  $attributes Block attributes.
 * @param string $content    Block save content.
 * @return string Comment-delimited block content.
 */
function get_comment_delimited_block_content( $block_name = null, $block_attributes, $block_content ) {
	if ( is_null( $block_name ) ) {
		return $block_content;
	}

$serialized_block_name = strip_core_block_namespace( $block_name );
	$serialized_attributes = empty( $block_attributes ) ? '' : serialize_block_attributes( $block_attributes ) . ' ';

if ( empty( $block_content ) ) {
		return sprintf( '', $serialized_block_name, $serialized_attributes );
	}

return sprintf(
		'%s',
		$serialized_block_name,
		$serialized_attributes,
		$block_content,
		$serialized_block_name
	);
}

/**
 * Returns the content of a block, including comment delimiters, serializing all
 * attributes from the given parsed block.
 *
 * This should be used when preparing a block to be saved to post content.
 * Prefer `render_block` when preparing a block for display. Unlike
 * `render_block`, this does not evaluate a block's `render_callback`, and will
 * instead preserve the markup as parsed.
 *
 * @since 5.3.1
 *
 * @param WP_Block_Parser_Block $block A single parsed block object.
 * @return string String of rendered HTML.
 */
function serialize_block( $block ) {
	$block_content = '';

$index = 0;
	foreach ( $block['innerContent'] as $chunk ) {
		$block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ] );
	}

if ( ! is_array( $block['attrs'] ) ) {
		$block['attrs'] = array();
	}

return get_comment_delimited_block_content(
		$block['blockName'],
		$block['attrs'],
		$block_content
	);
}

/**
 * Returns a joined string of the aggregate serialization of the given parsed
 * blocks.
 *
 * @since 5.3.1
 *
 * @param WP_Block_Parser_Block[] $blocks Parsed block objects.
 * @return string String of rendered HTML.
 */
function serialize_blocks( $blocks ) {
	return implode( '', array_map( 'serialize_block', $blocks ) );
}

/**
 * Filters and sanitizes block content to remove non-allowable HTML from
 * parsed block attribute values.
 *
 * @since 5.3.1
 *
 * @param string         $text              Text that may contain block content.
 * @param array[]|string $allowed_html      An array of allowed HTML elements
 *                                          and attributes, or a context name
 *                                          such as 'post'.
 * @param string[]       $allowed_protocols Array of allowed URL protocols.
 * @return string The filtered and sanitized content result.
 */
function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
	$result = '';

if ( false !== strpos( $text, '' ) ) {
		$text = preg_replace_callback( '%%', '_filter_block_content_callback', $text );
	}

$blocks = parse_blocks( $text );
	foreach ( $blocks as $block ) {
		$block   = filter_block_kses( $block, $allowed_html, $allowed_protocols );
		$result .= serialize_block( $block );
	}

return $result;
}

/**
 * Callback used for regular expression replacement in filter_block_content().
 *
 * @private
 * @since 6.2.1
 *
 * @param array $matches Array of preg_replace_callback matches.
 * @return string Replacement string.
 */
function _filter_block_content_callback( $matches ) {
	return '';
}

/**
 * Filters and sanitizes a parsed block to remove non-allowable HTML from block
 * attribute values.
 *
 * @since 5.3.1
 *
 * @param WP_Block_Parser_Block $block             The parsed block object.
 * @param array[]|string        $allowed_html      An array of allowed HTML
 *                                                 elements and attributes, or a
 *                                                 context name such as 'post'.
 * @param string[]              $allowed_protocols Allowed URL protocols.
 * @return array The filtered and sanitized block object result.
 */
function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
	$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols );

if ( is_array( $block['innerBlocks'] ) ) {
		foreach ( $block['innerBlocks'] as $i => $inner_block ) {
			$block['innerBlocks'][ $i ] = filter_block_kses( $inner_block, $allowed_html, $allowed_protocols );
		}
	}

return $block;
}

/**
 * Filters and sanitizes a parsed block attribute value to remove non-allowable
 * HTML.
 *
 * @since 5.3.1
 *
 * @param mixed          $value             The attribute value to filter.
 * @param array[]|string $allowed_html      An array of allowed HTML elements
 *                                          and attributes, or a context name
 *                                          such as 'post'.
 * @param string[]       $allowed_protocols Array of allowed URL protocols.
 * @return array The filtered and sanitized result.
 */
function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array() ) {
	if ( is_array( $value ) ) {
		foreach ( $value as $key => $inner_value ) {
			$filtered_key   = filter_block_kses_value( $key, $allowed_html, $allowed_protocols );
			$filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols );

if ( $filtered_key !== $key ) {
				unset( $value[ $key ] );
			}

$value[ $filtered_key ] = $filtered_value;
		}
	} elseif ( is_string( $value ) ) {
		return wp_kses( $value, $allowed_html, $allowed_protocols );
	}

return $value;
}

/**
 * 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.
 *
 * @since 5.0.0
 *
 * @param string $content The content to parse.
 * @return string The parsed and filtered content.
 */
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;
}

/**
 * Render inner blocks from the `core/columns` block for generating an excerpt.
 *
 * @since 5.2.0
 * @access private
 *
 * @param array $columns        The parsed columns block.
 * @param array $allowed_blocks The list of allowed inner blocks.
 * @return string The rendered inner blocks.
 */
function _excerpt_render_inner_columns_blocks( $columns, $allowed_blocks ) {
	$output = '';

foreach ( $columns['innerBlocks'] as $column ) {
		foreach ( $column['innerBlocks'] as $inner_block ) {
			if ( in_array( $inner_block['blockName'], $allowed_blocks, true ) && empty( $inner_block['innerBlocks'] ) ) {
				$output .= render_block( $inner_block );
			}
		}
	}

return $output;
}

/**
 * Renders a single block into a HTML string.
 *
 * @since 5.0.0
 *
 * @global WP_Post $post The post to edit.
 *
 * @param array $block A single parsed block object.
 * @return string String of rendered HTML.
 */
function render_block( $block ) {
	global $post;

/**
	 * Allows render_block() to be shortcircuited, by returning a non-null value.
	 *
	 * @since 5.1.0
	 *
	 * @param string|null $pre_render The pre-rendered content. Default null.
	 * @param array       $block      The block being rendered.
	 */
	$pre_render = apply_filters( 'pre_render_block', null, $block );
	if ( ! is_null( $pre_render ) ) {
		return $pre_render;
	}

$source_block = $block;

/**
	 * Filters the block being rendered in render_block(), before it's processed.
	 *
	 * @since 5.1.0
	 *
	 * @param array $block        The block being rendered.
	 * @param array $source_block An un-modified copy of $block, as it appeared in the source content.
	 */
	$block = apply_filters( 'render_block_data', $block, $source_block );

$block_type    = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
	$is_dynamic    = $block['blockName'] && null !== $block_type && $block_type->is_dynamic();
	$block_content = '';
	$index         = 0;

foreach ( $block['innerContent'] as $chunk ) {
		$block_content .= is_string( $chunk ) ? $chunk : render_block( $block['innerBlocks'][ $index++ ] );
	}

if ( ! is_array( $block['attrs'] ) ) {
		$block['attrs'] = array();
	}

if ( $is_dynamic ) {
		$global_post   = $post;
		$block_content = $block_type->render( $block['attrs'], $block_content );
		$post          = $global_post;
	}

/**
	 * Filters the content of a single block.
	 *
	 * @since 5.0.0
	 *
	 * @param string $block_content The block content about to be appended.
	 * @param array  $block         The full block, including name and attributes.
	 */
	return apply_filters( 'render_block', $block_content, $block );
}

/**
 * Parses blocks out of a content string.
 *
 * @since 5.0.0
 *
 * @param string $content Post content.
 * @return array Array of parsed block objects.
 */
function parse_blocks( $content ) {
	/**
	 * Filter to allow plugins to replace the server-side block parser
	 *
	 * @since 5.0.0
	 *
	 * @param string $parser_class Name of block parser class.
	 */
	$parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' );

$parser = new $parser_class();
	return $parser->parse( $content );
}

/**
 * Parses dynamic blocks out of `post_content` and re-renders them.
 *
 * @since 5.0.0
 *
 * @param string $content Post content.
 * @return string Updated post content.
 */
function do_blocks( $content ) {
	$blocks = parse_blocks( $content );
	$output = '';

foreach ( $blocks as $block ) {
		$output .= render_block( $block );
	}

// If there are blocks in this content, we shouldn't run wpautop() on it later.
	$priority = has_filter( 'the_content', 'wpautop' );
	if ( false !== $priority && doing_filter( 'the_content' ) && has_blocks( $content ) ) {
		remove_filter( 'the_content', 'wpautop', $priority );
		add_filter( 'the_content', '_restore_wpautop_hook', $priority + 1 );
	}

return $output;
}

/**
 * If do_blocks() needs to remove wpautop() from the `the_content` filter, this re-adds it afterwards,
 * for subsequent `the_content` usage.
 *
 * @access private
 *
 * @since 5.0.0
 *
 * @param string $content The post content running through this filter.
 * @return string The unmodified content.
 */
function _restore_wpautop_hook( $content ) {
	$current_priority = has_filter( 'the_content', '_restore_wpautop_hook' );

add_filter( 'the_content', 'wpautop', $current_priority - 1 );
	remove_filter( 'the_content', '_restore_wpautop_hook', $current_priority );

return $content;
}

/**
 * Returns the current version of the block format that the content string is using.
 *
 * If the string doesn't contain blocks, it returns 0.
 *
 * @since 5.0.0
 *
 * @param string $content Content to test.
 * @return int The block format version is 1 if the content contains one or more blocks, 0 otherwise.
 */
function block_version( $content ) {
	return has_blocks( $content ) ? 1 : 0;
}

/**
 * Registers a new block style.
 *
 * @since 5.3.0
 *
 * @param string $block_name       Block type name including namespace.
 * @param array  $style_properties Array containing the properties of the style name, label, style (name of the stylesheet to be enqueued), inline_style (string containing the CSS to be added).
 *
 * @return boolean True if the block style was registered with success and false otherwise.
 */
function register_block_style( $block_name, $style_properties ) {
	return WP_Block_Styles_Registry::get_instance()->register( $block_name, $style_properties );
}

/**
 * Unregisters a block style.
 *
 * @since 5.3.0
 *
 * @param string $block_name       Block type name including namespace.
 * @param array  $block_style_name Block style name.
 *
 * @return boolean True if the block style was unregistered with success and false otherwise.
 */
function unregister_block_style( $block_name, $block_style_name ) {
	return WP_Block_Styles_Registry::get_instance()->unregister( $block_name, $block_style_name );
}

cmd: