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<?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. Accepts any public property of `WP_Block_Type`.
 *     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 );
}

/**
 * Removes the block asset's path prefix if provided.
 *
 * @since 5.5.0
 *
 * @param string $asset_handle_or_path Asset handle or prefixed path.
 * @return string Path without the prefix or the original value.
 */
function remove_block_asset_path_prefix( $asset_handle_or_path ) {
	$path_prefix = 'file:';
	if ( 0 !== strpos( $asset_handle_or_path, $path_prefix ) ) {
		return $asset_handle_or_path;
	}
	return substr(
		$asset_handle_or_path,
		strlen( $path_prefix )
	);
}

/**
 * Generates the name for an asset based on the name of the block
 * and the field name provided.
 *
 * @since 5.5.0
 *
 * @param string $block_name Name of the block.
 * @param string $field_name Name of the metadata field.
 * @return string Generated asset name for the block's field.
 */
function generate_block_asset_handle( $block_name, $field_name ) {
	$field_mappings = array(
		'editorScript' => 'editor-script',
		'script'       => 'script',
		'editorStyle'  => 'editor-style',
		'style'        => 'style',
	);
	return str_replace( '/', '-', $block_name ) .
		'-' . $field_mappings[ $field_name ];
}

/**
 * Finds a script handle for the selected block metadata field. It detects
 * when a path to file was provided and finds a corresponding asset file
 * with details necessary to register the script under automatically
 * generated handle name. It returns unprocessed script handle otherwise.
 *
 * @since 5.5.0
 *
 * @param array  $metadata   Block metadata.
 * @param string $field_name Field name to pick from metadata.
 * @return string|bool Script handle provided directly or created through
 *                     script's registration, or false on failure.
 */
function register_block_script_handle( $metadata, $field_name ) {
	if ( empty( $metadata[ $field_name ] ) ) {
		return false;
	}
	$script_handle = $metadata[ $field_name ];
	$script_path   = remove_block_asset_path_prefix( $metadata[ $field_name ] );
	if ( $script_handle === $script_path ) {
		return $script_handle;
	}

	$script_handle     = generate_block_asset_handle( $metadata['name'], $field_name );
	$script_asset_path = realpath(
		dirname( $metadata['file'] ) . '/' .
		substr_replace( $script_path, '.asset.php', - strlen( '.js' ) )
	);
	if ( ! file_exists( $script_asset_path ) ) {
		$message = sprintf(
			/* translators: %1: field name. %2: block name */
			__( 'The asset file for the "%1$s" defined in "%2$s" block definition is missing.', 'default' ),
			$field_name,
			$metadata['name']
		);
		_doing_it_wrong( __FUNCTION__, $message, '5.5.0' );
		return false;
	}
	$script_asset = require $script_asset_path;
	$result       = wp_register_script(
		$script_handle,
		plugins_url( $script_path, $metadata['file'] ),
		$script_asset['dependencies'],
		$script_asset['version']
	);
	return $result ? $script_handle : false;
}

/**
 * Finds a style handle for the block metadata field. It detects when a path
 * to file was provided and registers the style under automatically
 * generated handle name. It returns unprocessed style handle otherwise.
 *
 * @since 5.5.0
 *
 * @param array  $metadata Block metadata.
 * @param string $field_name Field name to pick from metadata.
 * @return string|boolean Style handle provided directly or created through
 *                        style's registration, or false on failure.
 */
function register_block_style_handle( $metadata, $field_name ) {
	if ( empty( $metadata[ $field_name ] ) ) {
		return false;
	}
	$style_handle = $metadata[ $field_name ];
	$style_path   = remove_block_asset_path_prefix( $metadata[ $field_name ] );
	if ( $style_handle === $style_path ) {
		return $style_handle;
	}

	$style_handle = generate_block_asset_handle( $metadata['name'], $field_name );
	$block_dir    = dirname( $metadata['file'] );
	$result       = wp_register_style(
		$style_handle,
		plugins_url( $style_path, $metadata['file'] ),
		array(),
		filemtime( realpath( "$block_dir/$style_path" ) )
	);
	return $result ? $style_handle : false;
}

/**
 * Registers a block type from metadata stored in the `block.json` file.
 *
 * @since 5.5.0
 *
 * @param string $file_or_folder Path to the JSON file with metadata definition for
 *                               the block or path to the folder where the `block.json` file is located.
 * @param array  $args {
 *     Optional. Array of block type arguments. Accepts any public property of `WP_Block_Type`.
 *     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_from_metadata( $file_or_folder, $args = array() ) {
	$filename      = 'block.json';
	$metadata_file = ( substr( $file_or_folder, -strlen( $filename ) ) !== $filename ) ?
		trailingslashit( $file_or_folder ) . $filename :
		$file_or_folder;
	if ( ! file_exists( $metadata_file ) ) {
		return false;
	}

	$metadata = json_decode( file_get_contents( $metadata_file ), true );
	if ( ! is_array( $metadata ) || empty( $metadata['name'] ) ) {
		return false;
	}
	$metadata['file'] = $metadata_file;

	$settings          = array();
	$property_mappings = array(
		'title'           => 'title',
		'category'        => 'category',
		'parent'          => 'parent',
		'icon'            => 'icon',
		'description'     => 'description',
		'keywords'        => 'keywords',
		'attributes'      => 'attributes',
		'providesContext' => 'provides_context',
		'usesContext'     => 'uses_context',
		'supports'        => 'supports',
		'styles'          => 'styles',
		'example'         => 'example',
	);

	foreach ( $property_mappings as $key => $mapped_key ) {
		if ( isset( $metadata[ $key ] ) ) {
			$settings[ $mapped_key ] = $metadata[ $key ];
		}
	}

	if ( ! empty( $metadata['editorScript'] ) ) {
		$settings['editor_script'] = register_block_script_handle(
			$metadata,
			'editorScript'
		);
	}

	if ( ! empty( $metadata['script'] ) ) {
		$settings['script'] = register_block_script_handle(
			$metadata,
			'script'
		);
	}

	if ( ! empty( $metadata['editorStyle'] ) ) {
		$settings['editor_style'] = register_block_style_handle(
			$metadata,
			'editorStyle'
		);
	}

	if ( ! empty( $metadata['style'] ) ) {
		$settings['style'] = register_block_style_handle(
			$metadata,
			'style'
		);
	}

	return register_block_type(
		$metadata['name'],
		array_merge(
			$settings,
			$args
		)
	);
}

/**
 * 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 string[] 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 $block_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  $block_attributes Block attributes.
 * @param string $block_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( '<!-- wp:%s %s/-->', $serialized_block_name, $serialized_attributes );
	}

	return sprintf(
		'<!-- wp:%s %s-->%s<!-- /wp:%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, '<!--' ) && 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 '<!--' . rtrim( $matches[1], '-' ) . '-->';
}

/**
 * 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 string[]|string $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 string[]|string 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.
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param array $parsed_block A single parsed block object.
 * @return string String of rendered HTML.
 */
function render_block( $parsed_block ) {
	global $post, $wp_query;

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

	$source_block = $parsed_block;

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

	$context = array();

	if ( $post instanceof WP_Post ) {
		$context['postId'] = $post->ID;

		/*
		 * The `postType` context is largely unnecessary server-side, since the ID
		 * is usually sufficient on its own. That being said, since a block's
		 * manifest is expected to be shared between the server and the client,
		 * it should be included to consistently fulfill the expectation.
		 */
		$context['postType'] = $post->post_type;
	}

	if ( $wp_query instanceof WP_Query && isset( $wp_query->tax_query->queried_terms['category'] ) ) {
		$context['query'] = array( 'categoryIds' => array() );
		foreach ( $wp_query->tax_query->queried_terms['category']['terms'] as $category_slug_or_id ) {
			$context['query']['categoryIds'][] = 'slug' === $wp_query->tax_query->queried_terms['category']['field'] ? get_cat_ID( $category_slug_or_id ) : $category_slug_or_id;
		}
	}

	/**
	 * Filters the default context provided to a rendered block.
	 *
	 * @since 5.5.0
	 *
	 * @param array $context      Default context.
	 * @param array $parsed_block Block being rendered, filtered by `render_block_data`.
	 */
	$context = apply_filters( 'render_block_context', $context, $parsed_block );

	$block = new WP_Block( $parsed_block, $context );

	return $block->render();
}

/**
 * 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 );
}

dynamic-content-widget-a6b2991-1 – The Foundry
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Booth Rental

From $ 99 / month
  • 05 x 10 - $99 Per Month
  • 09 x 10 - $149 Per Month
  • 10 X 10 - $159 Per Month
  • 10 X 11 - $169 Per Month
  • 10 X 15 - $224 Per Month
  • 10 X 20 - $270 Per Month
  • 10 X 25 - $325 Per Month

Cases also available

Visit us at The Foundry and speak with a member of our team to discuss the options available to you. If a space is available you can move in straight away! If there is not a space available right away, you can opt to be placed on our vendor waiting list or look at an alternative option such as one of our bespoke display cases. 

No problem! We encourage prospective vendors to move in and start selling as soon as possible. Pro rated booth rent for the remaining period until the first of the following month will be due at contract signing.

Yes. We have a standard form contract which outlines the terms of your rental agreement.

We charge a commission of 10% on all sales.

No! Here at The Foundry we believe that you should discover the best selling environment for you. We have a six month initial term. Following this, we require just a thirty day written notice if you wish to change or terminate your rental agreement. 

Rent is paid in advance starting on the first day of every month. For example: The rent due for August is due on August first.

For the convenience of all our vendors, we automatically process your rent payment from your previous month sales. If you do not have sufficient sales to cover the rent due we will notify you that payment is required. We recommend that all vendors take advantage of our vendor sales tracking system, QuailHQ for $5.00 per month.  

We work in partnership with QuailHQ to provide online access to sales data 24 hours a day, 7 days a week. QuailHQ is available online and as an app for ios and android.

We recommend that all vendors take advantage of our vendor sales tracking system, QuailHQ for $5.00 per month.  

Yes! We operate Social Media accounts on various platforms. In addition to our renowned service, we also regularly feature select merchandise to our social media platforms to increase awareness and bolster vendor sales. Make sure to include interesting an unique merchandise in your booth to be in with a chance to be featured on our social media!

We are open daily from 10:00 AM to 6:00 PM for you to move in and start selling! From all of us at The Foundry, we loom forward to working with you and can’t wait for you to get started!