WP_HTML_Processor::step_in_cell(): bool

3871	private function step_in_cell(): bool {3872		$tag_name = $this->get_tag();3873		$op_sigil = $this->is_tag_closer() ? '-' : '+';3874		$op       = "{$op_sigil}{$tag_name}";3875 3876		switch ( $op ) {3877			/*3878			 * > An end tag whose tag name is one of: "td", "th"3879			 */3880			case '-TD':3881			case '-TH':3882				if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) {3883					// Parse error: ignore the token.3884					return $this->step();3885				}3886 3887				$this->generate_implied_end_tags();3888 3889				/*3890				 * @todo This needs to check if the current node is an HTML element, meaning that3891				 *       when SVG and MathML support is added, this needs to differentiate between an3892				 *       HTML element of the given name, such as `<center>`, and a foreign element of3893				 *       the same given name.3894				 */3895				if ( ! $this->state->stack_of_open_elements->current_node_is( $tag_name ) ) {3896					// @todo Indicate a parse error once it's possible.3897				}3898 3899				$this->state->stack_of_open_elements->pop_until( $tag_name );3900				$this->state->active_formatting_elements->clear_up_to_last_marker();3901				$this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW;3902				return true;3903 3904			/*3905			 * > A start tag whose tag name is one of: "caption", "col", "colgroup", "tbody", "td",3906			 * > "tfoot", "th", "thead", "tr"3907			 */3908			case '+CAPTION':3909			case '+COL':3910			case '+COLGROUP':3911			case '+TBODY':3912			case '+TD':3913			case '+TFOOT':3914			case '+TH':3915			case '+THEAD':3916			case '+TR':3917				/*3918				 * > Assert: The stack of open elements has a td or th element in table scope.3919				 *3920				 * Nothing to do here, except to verify in tests that this never appears.3921				 */3922 3923				$this->close_cell();3924				return $this->step( self::REPROCESS_CURRENT_NODE );3925 3926			/*3927			 * > An end tag whose tag name is one of: "body", "caption", "col", "colgroup", "html"3928			 */3929			case '-BODY':3930			case '-CAPTION':3931			case '-COL':3932			case '-COLGROUP':3933			case '-HTML':3934				// Parse error: ignore the token.3935				return $this->step();3936 3937			/*3938			 * > An end tag whose tag name is one of: "table", "tbody", "tfoot", "thead", "tr"3939			 */3940			case '-TABLE':3941			case '-TBODY':3942			case '-TFOOT':3943			case '-THEAD':3944			case '-TR':3945				if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) {3946					// Parse error: ignore the token.3947					return $this->step();3948				}3949				$this->close_cell();3950				return $this->step( self::REPROCESS_CURRENT_NODE );