WP_Admin_Bar::_render_item( object $node )

Source

final protected function _render_item( $node ) {	if ( 'item' !== $node->type ) {	return;	}	$is_parent = ! empty( $node->children );	$has_link = ! empty( $node->href );	$is_root_top_item = 'root-default' === $node->parent;	$is_top_secondary_item = 'top-secondary' === $node->parent;	// Allow only numeric values, then casted to integers, and allow a tabindex value of `0` for a11y.	$tabindex = ( isset( $node->meta['tabindex'] ) && is_numeric( $node->meta['tabindex'] ) ) ? (int) $node->meta['tabindex'] : '';	$aria_attributes = ( '' !== $tabindex ) ? ' tabindex="' . $tabindex . '"' : '';	$aria_attributes .= ' role="menuitem"';	$menuclass = '';	$arrow = '';	if ( $is_parent ) {	$menuclass = 'menupop ';	$aria_attributes .= ' aria-expanded="false"';	}	if ( ! empty( $node->meta['class'] ) ) {	$menuclass .= $node->meta['class'];	}	// Print the arrow icon for the menu children with children.	if ( ! $is_root_top_item && ! $is_top_secondary_item && $is_parent ) {	$arrow = '<span class="wp-admin-bar-arrow" aria-hidden="true"></span>';	}	if ( $menuclass ) {	$menuclass = ' class="' . esc_attr( trim( $menuclass ) ) . '"';	}	echo "<li role='group' id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$menuclass>";	if ( $has_link ) {	$attributes = array( 'onclick', 'target', 'title', 'rel', 'lang', 'dir' );	echo "<a class='ab-item'$aria_attributes href='" . esc_url( $node->href ) . "'";	} else {	$attributes = array( 'onclick', 'target', 'title', 'rel', 'lang', 'dir' );	echo '<div class="ab-item ab-empty-item"' . $aria_attributes;	}	foreach ( $attributes as $attribute ) {	if ( empty( $node->meta[ $attribute ] ) ) {	continue;	}	if ( 'onclick' === $attribute ) {	echo " $attribute='" . esc_js( $node->meta[ $attribute ] ) . "'";	} else {	echo " $attribute='" . esc_attr( $node->meta[ $attribute ] ) . "'";	}	}	echo ">{$arrow}{$node->title}";	if ( $has_link ) {	echo '</a>';	} else {	echo '</div>';	}	if ( $is_parent ) {	echo '<div class="ab-sub-wrapper">';	foreach ( $node->children as $group ) {	if ( empty( $node->meta['menu_title'] ) ) {	$this->_render_group( $group, false );	} else {	$this->_render_group( $group, $node->meta['menu_title'] );	}	}	echo '</div>';	}	if ( ! empty( $node->meta['html'] ) ) {	echo $node->meta['html'];	}	echo '</li>'; } 

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