wp-includes/html-api/class-wp-html-open-elements.php:674Updates internal flags after adding an element.
$itemWP_HTML_Token public function after_element_push( WP_HTML_Token $item ): void { $namespaced_name = 'html' === $item->namespace ? $item->node_name : "{$item->namespace} {$item->node_name}"; /* * When adding support for new elements, expand this switch to trap * cases where the precalculated value needs to change. */ switch ( $namespaced_name ) { case 'APPLET': case 'BUTTON': case 'CAPTION': case 'HTML': case 'TABLE': case 'TD': case 'TH': case 'MARQUEE': case 'OBJECT': case 'SELECT': case 'TEMPLATE': case 'math MI': case 'math MO': case 'math MN': case 'math MS': case 'math MTEXT': case 'math ANNOTATION-XML': case 'svg FOREIGNOBJECT': case 'svg DESC': case 'svg TITLE': $this->has_p_in_button_scope = false; break; case 'P': $this->has_p_in_button_scope = true; break; } if ( null !== $this->push_handler ) { call_user_func( $this->push_handler, $item ); } }Introduced in 6.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/html-api/class-wp-html-open-elements.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.