WP_HTML_Active_Formatting_Elements::walk_up() │ public │ WP 6.4.0

Steps through the stack of active formatting elements, starting with the bottom element (added last) and walking upwards to the one added first.

This generator function is designed to be used inside a "foreach" loop.

Example:

$html = '<em><strong><a>We are here';
foreach ( $stack->walk_up() as $node ) {
	echo "{$node->node_name} -> ";
}
> A -> STRONG -> EM ->

To start with the first added element and walk towards the bottom, see WP_HTML_Active_Formatting_Elements::walk_down().

Method of the class: WP_HTML_Active_Formatting_Elements{}

No Hooks.

Return

null. Nothing (null).

Usage

$WP_HTML_Active_Formatting_Elements = new WP_HTML_Active_Formatting_Elements();
$WP_HTML_Active_Formatting_Elements->walk_up();

Changelog

WP_HTML_Active_Formatting_Elements::walk_up() WP HTML Active Formatting Elements::walk up code ^{WP 6.6.2}

public function walk_up() {
	for ( $i = count( $this->stack ) - 1; $i >= 0; $i-- ) {
		yield $this->stack[ $i ];
	}
}