HTML API: Add TABLE support in HTML Processor.

As part of work to add more spec support to the HTML API, this patch adds
support for various table-related insertion modes. This includes support
for tables, table rows, table cells, table column groups, etc...

Developed in https://github.com/wordpress/wordpress-develop/pull/6040
Discussed in https://core.trac.wordpress.org/ticket/61576

Props: dmsnell, jonsurrell.
See #61576.

Built from https://develop.svn.wordpress.org/trunk@58806


git-svn-id: http://core.svn.wordpress.org/trunk@58202 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
dmsnell 2024-07-24 18:41:16 +00:00
parent 7c1295fdb9
commit 539ee9221b
3 changed files with 654 additions and 9 deletions

View File

@ -720,6 +720,80 @@ class WP_HTML_Open_Elements {
}
}
/**
* Clear the stack back to a table context.
*
* > When the steps above require the UA to clear the stack back to a table context, it means
* > that the UA must, while the current node is not a table, template, or html element, pop
* > elements from the stack of open elements.
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#clear-the-stack-back-to-a-table-context
*
* @since 6.7.0
*/
public function clear_to_table_context(): void {
foreach ( $this->walk_up() as $item ) {
if (
'TABLE' === $item->node_name ||
'TEMPLATE' === $item->node_name ||
'HTML' === $item->node_name
) {
break;
}
$this->pop();
}
}
/**
* Clear the stack back to a table body context.
*
* > When the steps above require the UA to clear the stack back to a table body context, it
* > means that the UA must, while the current node is not a tbody, tfoot, thead, template, or
* > html element, pop elements from the stack of open elements.
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#clear-the-stack-back-to-a-table-body-context
*
* @since 6.7.0
*/
public function clear_to_table_body_context(): void {
foreach ( $this->walk_up() as $item ) {
if (
'TBODY' === $item->node_name ||
'TFOOT' === $item->node_name ||
'THEAD' === $item->node_name ||
'TEMPLATE' === $item->node_name ||
'HTML' === $item->node_name
) {
break;
}
$this->pop();
}
}
/**
* Clear the stack back to a table row context.
*
* > When the steps above require the UA to clear the stack back to a table row context, it
* > means that the UA must, while the current node is not a tr, template, or html element, pop
* > elements from the stack of open elements.
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#clear-the-stack-back-to-a-table-row-context
*
* @since 6.7.0
*/
public function clear_to_table_row_context(): void {
foreach ( $this->walk_up() as $item ) {
if (
'TR' === $item->node_name ||
'TEMPLATE' === $item->node_name ||
'HTML' === $item->node_name
) {
break;
}
$this->pop();
}
}
/**
* Wakeup magic method.
*

View File

@ -1786,6 +1786,10 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* > A start tag whose tag name is "table"
*/
case '+TABLE':
/*
* > If the Document is not set to quirks mode, and the stack of open elements
* > has a p element in button scope, then close a p element.
*/
if (
WP_HTML_Processor_State::QUIRKS_MODE !== $this->state->document_mode &&
$this->state->stack_of_open_elements->has_p_in_button_scope()
@ -2117,7 +2121,7 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* This internal function performs the 'in table' insertion mode
* logic for the generalized WP_HTML_Processor::step() function.
*
* @since 6.7.0 Stub implementation.
* @since 6.7.0
*
* @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input.
*
@ -2127,7 +2131,245 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* @return bool Whether an element was found.
*/
private function step_in_table(): bool {
$this->bail( 'No support for parsing in the ' . WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE . ' state.' );
$token_name = $this->get_token_name();
$token_type = $this->get_token_type();
$op_sigil = '#tag' === $token_type ? ( parent::is_tag_closer() ? '-' : '+' ) : '';
$op = "{$op_sigil}{$token_name}";
switch ( $op ) {
/*
* > A character token, if the current node is table,
* > tbody, template, tfoot, thead, or tr element
*/
case '#text':
$current_node = $this->state->stack_of_open_elements->current_node();
$current_node_name = $current_node ? $current_node->node_name : null;
if (
$current_node_name && (
'TABLE' === $current_node_name ||
'TBODY' === $current_node_name ||
'TEMPLATE' === $current_node_name ||
'TFOOT' === $current_node_name ||
'THEAD' === $current_node_name ||
'TR' === $current_node_name
)
) {
$text = $this->get_modifiable_text();
/*
* If the text is empty after processing HTML entities and stripping
* U+0000 NULL bytes then ignore the token.
*/
if ( '' === $text ) {
return $this->step();
}
/*
* This follows the rules for "in table text" insertion mode.
*
* Whitespace-only text nodes are inserted in-place. Otherwise
* foster parenting is enabled and the nodes would be
* inserted out-of-place.
*
* > If any of the tokens in the pending table character tokens
* > list are character tokens that are not ASCII whitespace,
* > then this is a parse error: reprocess the character tokens
* > in the pending table character tokens list using the rules
* > given in the "anything else" entry in the "in table"
* > insertion mode.
* >
* > Otherwise, insert the characters given by the pending table
* > character tokens list.
*
* @see https://html.spec.whatwg.org/#parsing-main-intabletext
*/
if ( strlen( $text ) === strspn( $text, " \t\f\r\n" ) ) {
$this->insert_html_element( $this->state->current_token );
return true;
}
// Non-whitespace would trigger fostering, unsupported at this time.
$this->bail( 'Foster parenting is not supported.' );
break;
}
break;
/*
* > A comment token
*/
case '#comment':
case '#funky-comment':
case '#presumptuous-tag':
$this->insert_html_element( $this->state->current_token );
return true;
/*
* > A DOCTYPE token
*/
case 'html':
// Parse error: ignore the token.
return $this->step();
/*
* > A start tag whose tag name is "caption"
*/
case '+CAPTION':
$this->state->stack_of_open_elements->clear_to_table_context();
$this->state->active_formatting_elements->insert_marker();
$this->insert_html_element( $this->state->current_token );
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_CAPTION;
return true;
/*
* > A start tag whose tag name is "colgroup"
*/
case '+COLGROUP':
$this->state->stack_of_open_elements->clear_to_table_context();
$this->insert_html_element( $this->state->current_token );
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_COLUMN_GROUP;
return true;
/*
* > A start tag whose tag name is "col"
*/
case '+COL':
$this->state->stack_of_open_elements->clear_to_table_context();
/*
* > Insert an HTML element for a "colgroup" start tag token with no attributes,
* > then switch the insertion mode to "in column group".
*/
$this->insert_virtual_node( 'COLGROUP' );
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_COLUMN_GROUP;
return $this->step( self::REPROCESS_CURRENT_NODE );
/*
* > A start tag whose tag name is one of: "tbody", "tfoot", "thead"
*/
case '+TBODY':
case '+TFOOT':
case '+THEAD':
$this->state->stack_of_open_elements->clear_to_table_context();
$this->insert_html_element( $this->state->current_token );
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY;
return true;
/*
* > A start tag whose tag name is one of: "td", "th", "tr"
*/
case '+TD':
case '+TH':
case '+TR':
$this->state->stack_of_open_elements->clear_to_table_context();
/*
* > Insert an HTML element for a "tbody" start tag token with no attributes,
* > then switch the insertion mode to "in table body".
*/
$this->insert_virtual_node( 'TBODY' );
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY;
return $this->step( self::REPROCESS_CURRENT_NODE );
/*
* > A start tag whose tag name is "table"
*
* This tag in the IN TABLE insertion mode is a parse error.
*/
case '+TABLE':
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TABLE' ) ) {
return $this->step();
}
$this->state->stack_of_open_elements->pop_until( 'TABLE' );
$this->reset_insertion_mode();
return $this->step( self::REPROCESS_CURRENT_NODE );
/*
* > An end tag whose tag name is "table"
*/
case '-TABLE':
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TABLE' ) ) {
// @todo Indicate a parse error once it's possible.
return $this->step();
}
$this->state->stack_of_open_elements->pop_until( 'TABLE' );
$this->reset_insertion_mode();
return true;
/*
* > An end tag whose tag name is one of: "body", "caption", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr"
*/
case '-BODY':
case '-CAPTION':
case '-COL':
case '-COLGROUP':
case '-HTML':
case '-TBODY':
case '-TD':
case '-TFOOT':
case '-TH':
case '-THEAD':
case '-TR':
// Parse error: ignore the token.
return $this->step();
/*
* > A start tag whose tag name is one of: "style", "script", "template"
* > An end tag whose tag name is "template"
*/
case '+STYLE':
case '+SCRIPT':
case '+TEMPLATE':
case '-TEMPLATE':
/*
* > Process the token using the rules for the "in head" insertion mode.
*/
return $this->step_in_head();
/*
* > A start tag whose tag name is "input"
*
* > If the token does not have an attribute with the name "type", or if it does, but
* > that attribute's value is not an ASCII case-insensitive match for the string
* > "hidden", then: act as described in the "anything else" entry below.
*/
case '+INPUT':
$type_attribute = $this->get_attribute( 'type' );
if ( ! is_string( $type_attribute ) || 'hidden' !== strtolower( $type_attribute ) ) {
goto anything_else;
}
// @todo Indicate a parse error once it's possible.
$this->insert_html_element( $this->state->current_token );
return true;
/*
* > A start tag whose tag name is "form"
*
* This tag in the IN TABLE insertion mode is a parse error.
*/
case '+FORM':
if (
$this->state->stack_of_open_elements->has_element_in_scope( 'TEMPLATE' ) ||
isset( $this->state->form_element )
) {
return $this->step();
}
// This FORM is special because it immediately closes and cannot have other children.
$this->insert_html_element( $this->state->current_token );
$this->state->form_element = $this->state->current_token;
$this->state->stack_of_open_elements->pop();
return true;
}
/*
* > Anything else
* > Parse error. Enable foster parenting, process the token using the rules for the
* > "in body" insertion mode, and then disable foster parenting.
*
* @todo Indicate a parse error once it's possible.
*/
anything_else:
$this->bail( 'Foster parenting is not supported.' );
}
/**
@ -2193,7 +2435,7 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* This internal function performs the 'in table body' insertion mode
* logic for the generalized WP_HTML_Processor::step() function.
*
* @since 6.7.0 Stub implementation.
* @since 6.7.0
*
* @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input.
*
@ -2203,7 +2445,97 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* @return bool Whether an element was found.
*/
private function step_in_table_body(): bool {
$this->bail( 'No support for parsing in the ' . WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY . ' state.' );
$tag_name = $this->get_tag();
$op_sigil = $this->is_tag_closer() ? '-' : '+';
$op = "{$op_sigil}{$tag_name}";
switch ( $op ) {
/*
* > A start tag whose tag name is "tr"
*/
case '+TR':
$this->state->stack_of_open_elements->clear_to_table_body_context();
$this->insert_html_element( $this->state->current_token );
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW;
return true;
/*
* > A start tag whose tag name is one of: "th", "td"
*/
case '+TH':
case '+TD':
// @todo Indicate a parse error once it's possible.
$this->state->stack_of_open_elements->clear_to_table_body_context();
$this->insert_virtual_node( 'TR' );
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW;
return $this->step( self::REPROCESS_CURRENT_NODE );
/*
* > An end tag whose tag name is one of: "tbody", "tfoot", "thead"
*/
case '-TBODY':
case '-TFOOT':
case '-THEAD':
/*
* @todo This needs to check if the element in scope is an HTML element, meaning that
* when SVG and MathML support is added, this needs to differentiate between an
* HTML element of the given name, such as `<center>`, and a foreign element of
* the same given name.
*/
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) {
// Parse error: ignore the token.
return $this->step();
}
$this->state->stack_of_open_elements->clear_to_table_body_context();
$this->state->stack_of_open_elements->pop();
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE;
return true;
/*
* > A start tag whose tag name is one of: "caption", "col", "colgroup", "tbody", "tfoot", "thead"
* > An end tag whose tag name is "table"
*/
case '+CAPTION':
case '+COL':
case '+COLGROUP':
case '+TBODY':
case '+TFOOT':
case '+THEAD':
case '-TABLE':
if (
! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TBODY' ) &&
! $this->state->stack_of_open_elements->has_element_in_table_scope( 'THEAD' ) &&
! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TFOOT' )
) {
// Parse error: ignore the token.
return $this->step();
}
$this->state->stack_of_open_elements->clear_to_table_body_context();
$this->state->stack_of_open_elements->pop();
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE;
return $this->step( self::REPROCESS_CURRENT_NODE );
/*
* > An end tag whose tag name is one of: "body", "caption", "col", "colgroup", "html", "td", "th", "tr"
*/
case '-BODY':
case '-CAPTION':
case '-COL':
case '-COLGROUP':
case '-HTML':
case '-TD':
case '-TH':
case '-TR':
// Parse error: ignore the token.
return $this->step();
}
/*
* > Anything else
* > Process the token using the rules for the "in table" insertion mode.
*/
return $this->step_in_table();
}
/**
@ -2212,7 +2544,7 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* This internal function performs the 'in row' insertion mode
* logic for the generalized WP_HTML_Processor::step() function.
*
* @since 6.7.0 Stub implementation.
* @since 6.7.0
*
* @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input.
*
@ -2222,7 +2554,104 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* @return bool Whether an element was found.
*/
private function step_in_row(): bool {
$this->bail( 'No support for parsing in the ' . WP_HTML_Processor_State::INSERTION_MODE_IN_ROW . ' state.' );
$tag_name = $this->get_tag();
$op_sigil = $this->is_tag_closer() ? '-' : '+';
$op = "{$op_sigil}{$tag_name}";
switch ( $op ) {
/*
* > A start tag whose tag name is one of: "th", "td"
*/
case '+TH':
case '+TD':
$this->state->stack_of_open_elements->clear_to_table_row_context();
$this->insert_html_element( $this->state->current_token );
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_CELL;
$this->state->active_formatting_elements->insert_marker();
return true;
/*
* > An end tag whose tag name is "tr"
*/
case '-TR':
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TR' ) ) {
// Parse error: ignore the token.
return $this->step();
}
$this->state->stack_of_open_elements->clear_to_table_row_context();
$this->state->stack_of_open_elements->pop();
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY;
return true;
/*
* > A start tag whose tag name is one of: "caption", "col", "colgroup", "tbody", "tfoot", "thead", "tr"
* > An end tag whose tag name is "table"
*/
case '+CAPTION':
case '+COL':
case '+COLGROUP':
case '+TBODY':
case '+TFOOT':
case '+THEAD':
case '+TR':
case '-TABLE':
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TR' ) ) {
// Parse error: ignore the token.
return $this->step();
}
$this->state->stack_of_open_elements->clear_to_table_row_context();
$this->state->stack_of_open_elements->pop();
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY;
return $this->step( self::REPROCESS_CURRENT_NODE );
/*
* > An end tag whose tag name is one of: "tbody", "tfoot", "thead"
*/
case '-TBODY':
case '-TFOOT':
case '-THEAD':
/*
* @todo This needs to check if the element in scope is an HTML element, meaning that
* when SVG and MathML support is added, this needs to differentiate between an
* HTML element of the given name, such as `<center>`, and a foreign element of
* the same given name.
*/
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) {
// Parse error: ignore the token.
return $this->step();
}
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TR' ) ) {
// Ignore the token.
return $this->step();
}
$this->state->stack_of_open_elements->clear_to_table_row_context();
$this->state->stack_of_open_elements->pop();
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY;
return $this->step( self::REPROCESS_CURRENT_NODE );
/*
* > An end tag whose tag name is one of: "body", "caption", "col", "colgroup", "html", "td", "th"
*/
case '-BODY':
case '-CAPTION':
case '-COL':
case '-COLGROUP':
case '-HTML':
case '-TD':
case '-TH':
// Parse error: ignore the token.
return $this->step();
}
/*
* > Anything else
* > Process the token using the rules for the "in table" insertion mode.
*/
return $this->step_in_table();
}
/**
@ -2231,7 +2660,7 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* This internal function performs the 'in cell' insertion mode
* logic for the generalized WP_HTML_Processor::step() function.
*
* @since 6.7.0 Stub implementation.
* @since 6.7.0
*
* @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input.
*
@ -2241,7 +2670,104 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
* @return bool Whether an element was found.
*/
private function step_in_cell(): bool {
$this->bail( 'No support for parsing in the ' . WP_HTML_Processor_State::INSERTION_MODE_IN_CELL . ' state.' );
$tag_name = $this->get_tag();
$op_sigil = $this->is_tag_closer() ? '-' : '+';
$op = "{$op_sigil}{$tag_name}";
switch ( $op ) {
/*
* > An end tag whose tag name is one of: "td", "th"
*/
case '-TD':
case '-TH':
/*
* @todo This needs to check if the element in scope is an HTML element, meaning that
* when SVG and MathML support is added, this needs to differentiate between an
* HTML element of the given name, such as `<center>`, and a foreign element of
* the same given name.
*/
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) {
// Parse error: ignore the token.
return $this->step();
}
$this->generate_implied_end_tags();
/*
* @todo This needs to check if the current node is an HTML element, meaning that
* when SVG and MathML support is added, this needs to differentiate between an
* HTML element of the given name, such as `<center>`, and a foreign element of
* the same given name.
*/
if ( ! $this->state->stack_of_open_elements->current_node_is( $tag_name ) ) {
// @todo Indicate a parse error once it's possible.
}
$this->state->stack_of_open_elements->pop_until( $tag_name );
$this->state->active_formatting_elements->clear_up_to_last_marker();
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW;
return true;
/*
* > A start tag whose tag name is one of: "caption", "col", "colgroup", "tbody", "td",
* > "tfoot", "th", "thead", "tr"
*/
case '+CAPTION':
case '+COL':
case '+COLGROUP':
case '+TBODY':
case '+TD':
case '+TFOOT':
case '+TH':
case '+THEAD':
case '+TR':
/*
* > Assert: The stack of open elements has a td or th element in table scope.
*
* Nothing to do here, except to verify in tests that this never appears.
*/
$this->close_cell();
return $this->step( self::REPROCESS_CURRENT_NODE );
/*
* > An end tag whose tag name is one of: "body", "caption", "col", "colgroup", "html"
*/
case '-BODY':
case '-CAPTION':
case '-COL':
case '-COLGROUP':
case '-HTML':
// Parse error: ignore the token.
return $this->step();
/*
* > An end tag whose tag name is one of: "table", "tbody", "tfoot", "thead", "tr"
*/
case '-TABLE':
case '-TBODY':
case '-TFOOT':
case '-THEAD':
case '-TR':
/*
* @todo This needs to check if the element in scope is an HTML element, meaning that
* when SVG and MathML support is added, this needs to differentiate between an
* HTML element of the given name, such as `<center>`, and a foreign element of
* the same given name.
*/
if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) {
// Parse error: ignore the token.
return $this->step();
}
$this->close_cell();
return $this->step( self::REPROCESS_CURRENT_NODE );
}
/*
* > Anything else
* > Process the token using the rules for the "in body" insertion mode.
*/
return $this->step_in_body();
}
/**
@ -3576,6 +4102,33 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
$this->bail( 'Cannot run adoption agency when looping required.' );
}
/**
* Runs the "close the cell" algorithm.
*
* > Where the steps above say to close the cell, they mean to run the following algorithm:
* > 1. Generate implied end tags.
* > 2. If the current node is not now a td element or a th element, then this is a parse error.
* > 3. Pop elements from the stack of open elements stack until a td element or a th element has been popped from the stack.
* > 4. Clear the list of active formatting elements up to the last marker.
* > 5. Switch the insertion mode to "in row".
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#close-the-cell
*
* @since 6.7.0
*/
private function close_cell(): void {
$this->generate_implied_end_tags();
// @todo Parse error if the current node is a "td" or "th" element.
foreach ( $this->state->stack_of_open_elements->walk_up() as $element ) {
$this->state->stack_of_open_elements->pop();
if ( 'TD' === $element->node_name || 'TH' === $element->node_name ) {
break;
}
}
$this->state->active_formatting_elements->clear_up_to_last_marker();
$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW;
}
/**
* Inserts an HTML element on the stack of open elements.
*
@ -3589,6 +4142,24 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
$this->state->stack_of_open_elements->push( $token );
}
/**
* Inserts a virtual element on the stack of open elements.
*
* @since 6.7.0
*
* @param string $token_name Name of token to create and insert into the stack of open elements.
* @param string|null $bookmark_name Optional. Name to give bookmark for created virtual node.
* Defaults to auto-creating a bookmark name.
*/
private function insert_virtual_node( $token_name, $bookmark_name = null ): void {
$here = $this->bookmarks[ $this->state->current_token->bookmark_name ];
$name = $bookmark_name ?? $this->bookmark_token();
$this->bookmarks[ $name ] = new WP_HTML_Span( $here->start, 0 );
$this->insert_html_element( new WP_HTML_Token( $name, $token_name, false ) );
}
/*
* HTML Specification Helpers
*/

View File

@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '6.7-alpha-58804';
$wp_version = '6.7-alpha-58806';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.