WP_HTML_Processor::step_in_table(): bool

3267	private function step_in_table(): bool {3268		$token_name = $this->get_token_name();3269		$token_type = $this->get_token_type();3270		$op_sigil   = '#tag' === $token_type ? ( parent::is_tag_closer() ? '-' : '+' ) : '';3271		$op         = "{$op_sigil}{$token_name}";3272 3273		switch ( $op ) {3274			/*3275			 * > A character token, if the current node is table,3276			 * > tbody, template, tfoot, thead, or tr element3277			 */3278			case '#text':3279				$current_node      = $this->state->stack_of_open_elements->current_node();3280				$current_node_name = $current_node ? $current_node->node_name : null;3281				if (3282					$current_node_name && (3283						'TABLE' === $current_node_name ||3284						'TBODY' === $current_node_name ||3285						'TEMPLATE' === $current_node_name ||3286						'TFOOT' === $current_node_name ||3287						'THEAD' === $current_node_name ||3288						'TR' === $current_node_name3289					)3290				) {3291					/*3292					 * If the text is empty after processing HTML entities and stripping3293					 * U+0000 NULL bytes then ignore the token.3294					 */3295					if ( parent::TEXT_IS_NULL_SEQUENCE === $this->text_node_classification ) {3296						return $this->step();3297					}3298 3299					/*3300					 * This follows the rules for "in table text" insertion mode.3301					 *3302					 * Whitespace-only text nodes are inserted in-place. Otherwise3303					 * foster parenting is enabled and the nodes would be3304					 * inserted out-of-place.3305					 *3306					 * > If any of the tokens in the pending table character tokens3307					 * > list are character tokens that are not ASCII whitespace,3308					 * > then this is a parse error: reprocess the character tokens3309					 * > in the pending table character tokens list using the rules3310					 * > given in the "anything else" entry in the "in table"3311					 * > insertion mode.3312					 * >3313					 * > Otherwise, insert the characters given by the pending table3314					 * > character tokens list.3315					 *3316					 * @see https://html.spec.whatwg.org/#parsing-main-intabletext3317					 */3318					if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) {3319						$this->insert_html_element( $this->state->current_token );3320						return true;3321					}3322 3323					// Non-whitespace would trigger fostering, unsupported at this time.3324					$this->bail( 'Foster parenting is not supported.' );3325					break;3326				}3327				break;3328 3329			/*3330			 * > A comment token3331			 */3332			case '#comment':3333			case '#funky-comment':3334			case '#presumptuous-tag':3335				$this->insert_html_element( $this->state->current_token );3336				return true;3337 3338			/*3339			 * > A DOCTYPE token3340			 */3341			case 'html':3342				// Parse error: ignore the token.3343				return $this->step();3344 3345			/*3346			 * > A start tag whose tag name is "caption"