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Name	Size	Permission
ID3	[ DIR ]	drwxrwxrwx
IXR	[ DIR ]	drwxrwxrwx
PHPMailer	[ DIR ]	drwxrwxrwx
Requests	[ DIR ]	drwxrwxrwx
SimplePie	[ DIR ]	drwxrwxrwx
Text	[ DIR ]	drwxrwxrwx
assets	[ DIR ]	drwxrwxrwx
block-patterns	[ DIR ]	drwxrwxrwx
blocks	[ DIR ]	drwxrwxrwx
certificates	[ DIR ]	drwxrwxrwx
css	[ DIR ]	drwxrwxrwx
customize	[ DIR ]	drwxrwxrwx
fonts	[ DIR ]	drwxrwxrwx
images	[ DIR ]	drwxrwxrwx
js	[ DIR ]	drwxrwxrwx
pomo	[ DIR ]	drwxrwxrwx
random_compat	[ DIR ]	drwxrwxrwx
rest-api	[ DIR ]	drwxrwxrwx
sitemaps	[ DIR ]	drwxrwxrwx
sodium_compat	[ DIR ]	drwxrwxrwx
theme-compat	[ DIR ]	drwxrwxrwx
widgets	[ DIR ]	drwxrwxrwx
.htaccess	420 B	-rw-r--r--
admin-bar.php	30.96 KB	-rw-r--r--
atomlib.php	11.59 KB	-rw-r--r--
author-template.php	16.62 KB	-rw-r--r--
block-patterns.php	1.42 KB	-rw-r--r--
blocks.php	25.76 KB	-rw-r--r--
bookmark-template.php	12.22 KB	-rw-r--r--
bookmark.php	14.79 KB	-rw-r--r--
cache-compat.php	1.02 KB	-rw-r--r--
cache.php	9.28 KB	-rw-r--r--
canonical.php	30.65 KB	-rw-r--r--
capabilities.php	33.98 KB	-rw-r--r--
category-template.php	53.63 KB	-rw-r--r--
category.php	12.41 KB	-rw-r--r--
class-IXR.php	2.48 KB	-rw-r--r--
class-feed.php	529 B	-rw-r--r--
class-http.php	38.79 KB	-rw-r--r--
class-json.php	42.43 KB	-rw-r--r--
class-oembed.php	407 B	-rw-r--r--
class-phpass.php	7.15 KB	-rw-r--r--
class-phpmailer.php	664 B	-rw-r--r--
class-pop3.php	20.35 KB	-rw-r--r--
class-requests.php	29.14 KB	-rw-r--r--
class-simplepie.php	94.01 KB	-rw-r--r--
class-smtp.php	452 B	-rw-r--r--
class-snoopy.php	36.83 KB	-rw-r--r--
class-walker-category-dropdown...	2.08 KB	-rw-r--r--
class-walker-category.php	7.69 KB	-rw-r--r--
class-walker-comment.php	13.37 KB	-rw-r--r--
class-walker-nav-menu.php	8.45 KB	-rw-r--r--
class-walker-page-dropdown.php	2.25 KB	-rw-r--r--
class-walker-page.php	6.88 KB	-rw-r--r--
class-wp-admin-bar.php	16.46 KB	-rw-r--r--
class-wp-ajax-response.php	5.12 KB	-rw-r--r--
class-wp-block-list.php	4.37 KB	-rw-r--r--
class-wp-block-parser.php	14.86 KB	-rw-r--r--
class-wp-block-pattern-categor...	4.08 KB	-rw-r--r--
class-wp-block-patterns-regist...	4.74 KB	-rw-r--r--
class-wp-block-styles-registry...	4.62 KB	-rw-r--r--
class-wp-block-type-registry.p...	5.03 KB	-rw-r--r--
class-wp-block-type.php	5.88 KB	-rw-r--r--
class-wp-block.php	5.97 KB	-rw-r--r--
class-wp-comment-query.php	43.58 KB	-rw-r--r--
class-wp-comment.php	8.83 KB	-rw-r--r--
class-wp-customize-control.php	24.91 KB	-rw-r--r--
class-wp-customize-manager.php	196.37 KB	-rw-r--r--
class-wp-customize-nav-menus.p...	55.47 KB	-rw-r--r--
class-wp-customize-panel.php	10.16 KB	-rw-r--r--
class-wp-customize-section.php	10.72 KB	-rw-r--r--
class-wp-customize-setting.php	29.03 KB	-rw-r--r--
class-wp-customize-widgets.php	65.46 KB	-rw-r--r--
class-wp-date-query.php	34.51 KB	-rw-r--r--
class-wp-dependency.php	2.45 KB	-rw-r--r--
class-wp-editor.php	68.93 KB	-rw-r--r--
class-wp-embed.php	15.42 KB	-rw-r--r--
class-wp-error.php	4.84 KB	-rw-r--r--
class-wp-fatal-error-handler.p...	7.37 KB	-rw-r--r--
class-wp-feed-cache-transient....	2.5 KB	-rw-r--r--
class-wp-feed-cache.php	749 B	-rw-r--r--
class-wp-hook.php	13.72 KB	-rw-r--r--
class-wp-http-cookie.php	7.02 KB	-rw-r--r--
class-wp-http-curl.php	12.06 KB	-rw-r--r--
class-wp-http-encoding.php	6.4 KB	-rw-r--r--
class-wp-http-ixr-client.php	3.39 KB	-rw-r--r--
class-wp-http-proxy.php	5.73 KB	-rw-r--r--
class-wp-http-requests-hooks.p...	1.92 KB	-rw-r--r--
class-wp-http-requests-respons...	4.24 KB	-rw-r--r--
class-wp-http-response.php	2.88 KB	-rw-r--r--
class-wp-http-streams.php	15.73 KB	-rw-r--r--
class-wp-image-editor-gd.php	13.81 KB	-rw-r--r--
class-wp-image-editor-imagick....	23.32 KB	-rw-r--r--
class-wp-image-editor.php	13.77 KB	-rw-r--r--
class-wp-list-util.php	6.46 KB	-rw-r--r--
class-wp-locale-switcher.php	4.9 KB	-rw-r--r--
class-wp-locale.php	13.59 KB	-rw-r--r--
class-wp-matchesmapregex.php	1.76 KB	-rw-r--r--
class-wp-meta-query.php	27.22 KB	-rw-r--r--
class-wp-metadata-lazyloader.p...	5.26 KB	-rw-r--r--
class-wp-network-query.php	17.94 KB	-rw-r--r--
class-wp-network.php	12.09 KB	-rw-r--r--
class-wp-object-cache.php	13.22 KB	-rw-r--r--
class-wp-oembed-controller.php	6.63 KB	-rw-r--r--
class-wp-oembed.php	28.31 KB	-rw-r--r--
class-wp-paused-extensions-sto...	4.81 KB	-rw-r--r--
class-wp-post-type.php	19.08 KB	-rw-r--r--
class-wp-post.php	6.29 KB	-rw-r--r--
class-wp-query.php	131.8 KB	-rw-r--r--
class-wp-recovery-mode-cookie-...	6.31 KB	-rw-r--r--
class-wp-recovery-mode-email-s...	9.89 KB	-rw-r--r--
class-wp-recovery-mode-key-ser...	4.17 KB	-rw-r--r--
class-wp-recovery-mode-link-se...	3.29 KB	-rw-r--r--
class-wp-recovery-mode.php	11.11 KB	-rw-r--r--
class-wp-rewrite.php	59.42 KB	-rw-r--r--
class-wp-role.php	2.44 KB	-rw-r--r--
class-wp-roles.php	8.23 KB	-rw-r--r--
class-wp-session-tokens.php	7.26 KB	-rw-r--r--
class-wp-simplepie-file.php	2.27 KB	-rw-r--r--
class-wp-simplepie-sanitize-ks...	1.73 KB	-rw-r--r--
class-wp-site-query.php	27.88 KB	-rw-r--r--
class-wp-site.php	7.19 KB	-rw-r--r--
class-wp-tax-query.php	18.98 KB	-rw-r--r--
class-wp-taxonomy.php	12.28 KB	-rw-r--r--
class-wp-term-query.php	35.32 KB	-rw-r--r--
class-wp-term.php	5.14 KB	-rw-r--r--
class-wp-text-diff-renderer-in...	716 B	-rw-r--r--
class-wp-text-diff-renderer-ta...	16.48 KB	-rw-r--r--
class-wp-theme.php	50.35 KB	-rw-r--r--
class-wp-user-meta-session-tok...	2.92 KB	-rw-r--r--
class-wp-user-query.php	30.62 KB	-rw-r--r--
class-wp-user-request.php	2.14 KB	-rw-r--r--
class-wp-user.php	21.63 KB	-rw-r--r--
class-wp-walker.php	12.42 KB	-rw-r--r--
class-wp-widget-factory.php	2.56 KB	-rw-r--r--
class-wp-widget.php	17.49 KB	-rw-r--r--
class-wp-xmlrpc-server.php	205.52 KB	-rw-r--r--
class-wp.php	24.45 KB	-rw-r--r--
class.wp-dependencies.php	12.57 KB	-rw-r--r--
class.wp-scripts.php	18.04 KB	-rw-r--r--
class.wp-styles.php	10.62 KB	-rw-r--r--
comment-template.php	91.85 KB	-rw-r--r--
comment.php	122.66 KB	-rw-r--r--
compat.php	12.65 KB	-rw-r--r--
cron.php	32.06 KB	-rw-r--r--
date.php	406 B	-rw-r--r--
default-constants.php	10.02 KB	-rw-r--r--
default-filters.php	26.14 KB	-rw-r--r--
default-widgets.php	2.07 KB	-rw-r--r--
deprecated.php	118.65 KB	-rw-r--r--
embed-template.php	341 B	-rw-r--r--
embed.php	46.48 KB	-rw-r--r--
error-protection.php	3.3 KB	-rw-r--r--
error_log	167 B	-rwxrwxrwx
feed-atom-comments.php	5.32 KB	-rw-r--r--
feed-atom.php	3.03 KB	-rw-r--r--
feed-rdf.php	2.61 KB	-rw-r--r--
feed-rss.php	1.16 KB	-rw-r--r--
feed-rss2-comments.php	3.97 KB	-rw-r--r--
feed-rss2.php	3.71 KB	-rw-r--r--
feed.php	22.12 KB	-rw-r--r--
formatting.php	304.25 KB	-rw-r--r--
functions.php	228.27 KB	-rw-r--r--
functions.wp-scripts.php	13.07 KB	-rw-r--r--
functions.wp-styles.php	8.11 KB	-rw-r--r--
general-template.php	153.99 KB	-rw-r--r--
http.php	21.86 KB	-rw-r--r--
kses.php	61.88 KB	-rw-r--r--
l10n.php	55.27 KB	-rw-r--r--
link-template.php	141.46 KB	-rw-r--r--
load.php	43.82 KB	-rw-r--r--
locale.php	162 B	-rw-r--r--
media-template.php	57.29 KB	-rw-r--r--
media.php	159.3 KB	-rw-r--r--
meta.php	58.17 KB	-rw-r--r--
ms-blogs.php	24.58 KB	-rw-r--r--
ms-default-constants.php	4.6 KB	-rw-r--r--
ms-default-filters.php	6.34 KB	-rw-r--r--
ms-deprecated.php	20.63 KB	-rw-r--r--
ms-files.php	2.58 KB	-rw-r--r--
ms-functions.php	88.26 KB	-rw-r--r--
ms-load.php	19.36 KB	-rw-r--r--
ms-network.php	3.57 KB	-rw-r--r--
ms-settings.php	4.03 KB	-rw-r--r--
ms-site.php	42.51 KB	-rw-r--r--
nav-menu-template.php	22.75 KB	-rw-r--r--
nav-menu.php	40.78 KB	-rw-r--r--
option.php	72.65 KB	-rw-r--r--
pluggable-deprecated.php	6.12 KB	-rw-r--r--
pluggable.php	99.86 KB	-rw-r--r--
plugin.php	31.66 KB	-rw-r--r--
post-formats.php	6.91 KB	-rw-r--r--
post-template.php	62.05 KB	-rw-r--r--
post-thumbnail-template.php	9 KB	-rw-r--r--
post.php	245.87 KB	-rw-r--r--
query.php	34.69 KB	-rw-r--r--
registration-functions.php	202 B	-rw-r--r--
registration.php	202 B	-rw-r--r--
rest-api.php	65.83 KB	-rw-r--r--
revision.php	21.46 KB	-rw-r--r--
rewrite.php	17.65 KB	-rw-r--r--
rss-functions.php	211 B	-rw-r--r--
rss.php	22.44 KB	-rw-r--r--
script-loader.php	89.87 KB	-rw-r--r--
session.php	258 B	-rw-r--r--
shortcodes.php	21.85 KB	-rw-r--r--
sitemaps.php	3.16 KB	-rw-r--r--
spl-autoload-compat.php	443 B	-rw-r--r--
taxonomy.php	158.32 KB	-rw-r--r--
template-loader.php	2.94 KB	-rw-r--r--
template.php	21.02 KB	-rw-r--r--
theme.php	120.92 KB	-rw-r--r--
update.php	25.57 KB	-rw-r--r--
user.php	129.65 KB	-rw-r--r--
vars.php	5.68 KB	-rw-r--r--
version.php	767 B	-rw-r--r--
widgets.php	57.75 KB	-rw-r--r--
wlwmanifest.xml	1.02 KB	-rwxrwxrwx
wp-db.php	103.12 KB	-rw-r--r--
wp-diff.php	647 B	-rw-r--r--
wp-feed.php	82 B	-rw-r--r--
wp-tmp.php	9.04 KB	-rw-r--r--

Code Editor : class-wp-block-parser.php

<?php
/**
 * Block Serialization Parser
 *
 * @package WordPress
 */

/**
 * Class WP_Block_Parser_Block
 *
 * Holds the block structure in memory
 *
 * @since 3.8.0
 */
class WP_Block_Parser_Block {
	/**
	 * Name of block
	 *
	 * @example "core/paragraph"
	 *
	 * @since 3.8.0
	 * @var string
	 */
	public $blockName;

/**
	 * Optional set of attributes from block comment delimiters
	 *
	 * @example null
	 * @example array( 'columns' => 3 )
	 *
	 * @since 3.8.0
	 * @var array|null
	 */
	public $attrs;

/**
	 * List of inner blocks (of this same class)
	 *
	 * @since 3.8.0
	 * @var WP_Block_Parser_Block[]
	 */
	public $innerBlocks;

/**
	 * Resultant HTML from inside block comment delimiters
	 * after removing inner blocks
	 *
	 * @example "...Just  testing..." -> "Just testing..."
	 *
	 * @since 3.8.0
	 * @var string
	 */
	public $innerHTML;

/**
	 * List of string fragments and null markers where inner blocks were found
	 *
	 * @example array(
	 *   'innerHTML'    => 'BeforeInnerAfter',
	 *   'innerBlocks'  => array( block, block ),
	 *   'innerContent' => array( 'Before', null, 'Inner', null, 'After' ),
	 * )
	 *
	 * @since 4.2.0
	 * @var array
	 */
	public $innerContent;

/**
	 * Constructor.
	 *
	 * Will populate object properties from the provided arguments.
	 *
	 * @since 3.8.0
	 *
	 * @param string $name         Name of block.
	 * @param array  $attrs        Optional set of attributes from block comment delimiters.
	 * @param array  $innerBlocks  List of inner blocks (of this same class).
	 * @param string $innerHTML    Resultant HTML from inside block comment delimiters after removing inner blocks.
	 * @param array  $innerContent List of string fragments and null markers where inner blocks were found.
	 */
	function __construct( $name, $attrs, $innerBlocks, $innerHTML, $innerContent ) {
		$this->blockName    = $name;
		$this->attrs        = $attrs;
		$this->innerBlocks  = $innerBlocks;
		$this->innerHTML    = $innerHTML;
		$this->innerContent = $innerContent;
	}
}

/**
 * Class WP_Block_Parser_Frame
 *
 * Holds partial blocks in memory while parsing
 *
 * @internal
 * @since 3.8.0
 */
class WP_Block_Parser_Frame {
	/**
	 * Full or partial block
	 *
	 * @since 3.8.0
	 * @var WP_Block_Parser_Block
	 */
	public $block;

/**
	 * Byte offset into document for start of parse token
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $token_start;

/**
	 * Byte length of entire parse token string
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $token_length;

/**
	 * Byte offset into document for after parse token ends
	 * (used during reconstruction of stack into parse production)
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $prev_offset;

/**
	 * Byte offset into document where leading HTML before token starts
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $leading_html_start;

/**
	 * Constructor
	 *
	 * Will populate object properties from the provided arguments.
	 *
	 * @since 3.8.0
	 *
	 * @param WP_Block_Parser_Block $block              Full or partial block.
	 * @param int                   $token_start        Byte offset into document for start of parse token.
	 * @param int                   $token_length       Byte length of entire parse token string.
	 * @param int                   $prev_offset        Byte offset into document for after parse token ends.
	 * @param int                   $leading_html_start Byte offset into document where leading HTML before token starts.
	 */
	function __construct( $block, $token_start, $token_length, $prev_offset = null, $leading_html_start = null ) {
		$this->block              = $block;
		$this->token_start        = $token_start;
		$this->token_length       = $token_length;
		$this->prev_offset        = isset( $prev_offset ) ? $prev_offset : $token_start + $token_length;
		$this->leading_html_start = $leading_html_start;
	}
}

/**
 * Class WP_Block_Parser
 *
 * Parses a document and constructs a list of parsed block objects
 *
 * @since 3.8.0
 * @since 4.0.0 returns arrays not objects, all attributes are arrays
 */
class WP_Block_Parser {
	/**
	 * Input document being parsed
	 *
	 * @example "Pre-text\nThis is inside a block!"
	 *
	 * @since 3.8.0
	 * @var string
	 */
	public $document;

/**
	 * Tracks parsing progress through document
	 *
	 * @since 3.8.0
	 * @var int
	 */
	public $offset;

/**
	 * List of parsed blocks
	 *
	 * @since 3.8.0
	 * @var WP_Block_Parser_Block[]
	 */
	public $output;

/**
	 * Stack of partially-parsed structures in memory during parse
	 *
	 * @since 3.8.0
	 * @var WP_Block_Parser_Frame[]
	 */
	public $stack;

/**
	 * Empty associative array, here due to PHP quirks
	 *
	 * @since 4.4.0
	 * @var array empty associative array
	 */
	public $empty_attrs;

/**
	 * Parses a document and returns a list of block structures
	 *
	 * When encountering an invalid parse will return a best-effort
	 * parse. In contrast to the specification parser this does not
	 * return an error on invalid inputs.
	 *
	 * @since 3.8.0
	 *
	 * @param string $document Input document being parsed.
	 * @return WP_Block_Parser_Block[]
	 */
	function parse( $document ) {
		$this->document    = $document;
		$this->offset      = 0;
		$this->output      = array();
		$this->stack       = array();
		$this->empty_attrs = json_decode( '{}', true );

do {
			// twiddle our thumbs.
		} while ( $this->proceed() );

return $this->output;
	}

/**
	 * Processes the next token from the input document
	 * and returns whether to proceed eating more tokens
	 *
	 * This is the "next step" function that essentially
	 * takes a token as its input and decides what to do
	 * with that token before descending deeper into a
	 * nested block tree or continuing along the document
	 * or breaking out of a level of nesting.
	 *
	 * @internal
	 * @since 3.8.0
	 * @return bool
	 */
	function proceed() {
		$next_token = $this->next_token();
		list( $token_type, $block_name, $attrs, $start_offset, $token_length ) = $next_token;
		$stack_depth = count( $this->stack );

// we may have some HTML soup before the next block.
		$leading_html_start = $start_offset > $this->offset ? $this->offset : null;

switch ( $token_type ) {
			case 'no-more-tokens':
				// if not in a block then flush output.
				if ( 0 === $stack_depth ) {
					$this->add_freeform();
					return false;
				}

/*
				 * Otherwise we have a problem
				 * This is an error
				 *
				 * we have options
				 * - treat it all as freeform text
				 * - assume an implicit closer (easiest when not nesting)
				 */

// for the easy case we'll assume an implicit closer.
				if ( 1 === $stack_depth ) {
					$this->add_block_from_stack();
					return false;
				}

/*
				 * for the nested case where it's more difficult we'll
				 * have to assume that multiple closers are missing
				 * and so we'll collapse the whole stack piecewise
				 */
				while ( 0 < count( $this->stack ) ) {
					$this->add_block_from_stack();
				}
				return false;

case 'void-block':
				/*
				 * easy case is if we stumbled upon a void block
				 * in the top-level of the document
				 */
				if ( 0 === $stack_depth ) {
					if ( isset( $leading_html_start ) ) {
						$this->output[] = (array) self::freeform(
							substr(
								$this->document,
								$leading_html_start,
								$start_offset - $leading_html_start
							)
						);
					}

$this->output[] = (array) new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() );
					$this->offset   = $start_offset + $token_length;
					return true;
				}

// otherwise we found an inner block.
				$this->add_inner_block(
					new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() ),
					$start_offset,
					$token_length
				);
				$this->offset = $start_offset + $token_length;
				return true;

case 'block-opener':
				// track all newly-opened blocks on the stack.
				array_push(
					$this->stack,
					new WP_Block_Parser_Frame(
						new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() ),
						$start_offset,
						$token_length,
						$start_offset + $token_length,
						$leading_html_start
					)
				);
				$this->offset = $start_offset + $token_length;
				return true;

case 'block-closer':
				/*
				 * if we're missing an opener we're in trouble
				 * This is an error
				 */
				if ( 0 === $stack_depth ) {
					/*
					 * we have options
					 * - assume an implicit opener
					 * - assume _this_ is the opener
					 * - give up and close out the document
					 */
					$this->add_freeform();
					return false;
				}

// if we're not nesting then this is easy - close the block.
				if ( 1 === $stack_depth ) {
					$this->add_block_from_stack( $start_offset );
					$this->offset = $start_offset + $token_length;
					return true;
				}

/*
				 * otherwise we're nested and we have to close out the current
				 * block and add it as a new innerBlock to the parent
				 */
				$stack_top                        = array_pop( $this->stack );
				$html                             = substr( $this->document, $stack_top->prev_offset, $start_offset - $stack_top->prev_offset );
				$stack_top->block->innerHTML     .= $html;
				$stack_top->block->innerContent[] = $html;
				$stack_top->prev_offset           = $start_offset + $token_length;

$this->add_inner_block(
					$stack_top->block,
					$stack_top->token_start,
					$stack_top->token_length,
					$start_offset + $token_length
				);
				$this->offset = $start_offset + $token_length;
				return true;

default:
				// This is an error.
				$this->add_freeform();
				return false;
		}
	}

/**
	 * Scans the document from where we last left off
	 * and finds the next valid token to parse if it exists
	 *
	 * Returns the type of the find: kind of find, block information, attributes
	 *
	 * @internal
	 * @since 3.8.0
	 * @since 4.6.1 fixed a bug in attribute parsing which caused catastrophic backtracking on invalid block comments
	 * @return array
	 */
	function next_token() {
		$matches = null;

/*
		 * aye the magic
		 * we're using a single RegExp to tokenize the block comment delimiters
		 * we're also using a trick here because the only difference between a
		 * block opener and a block closer is the leading `/` before `wp:` (and
		 * a closer has no attributes). we can trap them both and process the
		 * match back in PHP to see which one it was.
		 */
		$has_match = preg_match(
			'/).)*+)?}\s+)?(?P<void>\/)?-->/s',
			$this->document,
			$matches,
			PREG_OFFSET_CAPTURE,
			$this->offset
		);

// if we get here we probably have catastrophic backtracking or out-of-memory in the PCRE.
		if ( false === $has_match ) {
			return array( 'no-more-tokens', null, null, null, null );
		}

// we have no more tokens.
		if ( 0 === $has_match ) {
			return array( 'no-more-tokens', null, null, null, null );
		}

list( $match, $started_at ) = $matches[0];

$length    = strlen( $match );
		$is_closer = isset( $matches['closer'] ) && -1 !== $matches['closer'][1];
		$is_void   = isset( $matches['void'] ) && -1 !== $matches['void'][1];
		$namespace = $matches['namespace'];
		$namespace = ( isset( $namespace ) && -1 !== $namespace[1] ) ? $namespace[0] : 'core/';
		$name      = $namespace . $matches['name'][0];
		$has_attrs = isset( $matches['attrs'] ) && -1 !== $matches['attrs'][1];

/*
		 * Fun fact! It's not trivial in PHP to create "an empty associative array" since all arrays
		 * are associative arrays. If we use `array()` we get a JSON `[]`
		 */
		$attrs = $has_attrs
			? json_decode( $matches['attrs'][0], /* as-associative */ true )
			: $this->empty_attrs;

/*
		 * This state isn't allowed
		 * This is an error
		 */
		if ( $is_closer && ( $is_void || $has_attrs ) ) {
			// we can ignore them since they don't hurt anything.
		}

if ( $is_void ) {
			return array( 'void-block', $name, $attrs, $started_at, $length );
		}

if ( $is_closer ) {
			return array( 'block-closer', $name, null, $started_at, $length );
		}

return array( 'block-opener', $name, $attrs, $started_at, $length );
	}

/**
	 * Returns a new block object for freeform HTML
	 *
	 * @internal
	 * @since 3.9.0
	 *
	 * @param string $innerHTML HTML content of block.
	 * @return WP_Block_Parser_Block freeform block object.
	 */
	function freeform( $innerHTML ) {
		return new WP_Block_Parser_Block( null, $this->empty_attrs, array(), $innerHTML, array( $innerHTML ) );
	}

/**
	 * Pushes a length of text from the input document
	 * to the output list as a freeform block.
	 *
	 * @internal
	 * @since 3.8.0
	 * @param null $length how many bytes of document text to output.
	 */
	function add_freeform( $length = null ) {
		$length = $length ? $length : strlen( $this->document ) - $this->offset;

if ( 0 === $length ) {
			return;
		}

$this->output[] = (array) self::freeform( substr( $this->document, $this->offset, $length ) );
	}

/**
	 * Given a block structure from memory pushes
	 * a new block to the output list.
	 *
	 * @internal
	 * @since 3.8.0
	 * @param WP_Block_Parser_Block $block        The block to add to the output.
	 * @param int                   $token_start  Byte offset into the document where the first token for the block starts.
	 * @param int                   $token_length Byte length of entire block from start of opening token to end of closing token.
	 * @param int|null              $last_offset  Last byte offset into document if continuing form earlier output.
	 */
	function add_inner_block( WP_Block_Parser_Block $block, $token_start, $token_length, $last_offset = null ) {
		$parent                       = $this->stack[ count( $this->stack ) - 1 ];
		$parent->block->innerBlocks[] = (array) $block;
		$html                         = substr( $this->document, $parent->prev_offset, $token_start - $parent->prev_offset );

if ( ! empty( $html ) ) {
			$parent->block->innerHTML     .= $html;
			$parent->block->innerContent[] = $html;
		}

$parent->block->innerContent[] = null;
		$parent->prev_offset           = $last_offset ? $last_offset : $token_start + $token_length;
	}

/**
	 * Pushes the top block from the parsing stack to the output list.
	 *
	 * @internal
	 * @since 3.8.0
	 * @param int|null $end_offset byte offset into document for where we should stop sending text output as HTML.
	 */
	function add_block_from_stack( $end_offset = null ) {
		$stack_top   = array_pop( $this->stack );
		$prev_offset = $stack_top->prev_offset;

$html = isset( $end_offset )
			? substr( $this->document, $prev_offset, $end_offset - $prev_offset )
			: substr( $this->document, $prev_offset );

if ( ! empty( $html ) ) {
			$stack_top->block->innerHTML     .= $html;
			$stack_top->block->innerContent[] = $html;
		}

if ( isset( $stack_top->leading_html_start ) ) {
			$this->output[] = (array) self::freeform(
				substr(
					$this->document,
					$stack_top->leading_html_start,
					$stack_top->token_start - $stack_top->leading_html_start
				)
			);
		}

$this->output[] = (array) $stack_top->block;
	}
}

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Code Editor : class-wp-block-parser.php