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Welcome to the ACF-Location-Nav-Menu wiki!

Unleash the full power of the ACF PRO plugin to extend WordPress menu functionality. With this add-on, you can display custom fields of different types directly under general menu field items while editing your menu in the admin panel.

Examples:

getting field value in Walker_Nav_Menu (presented body of the class)

function start_lvl( &$output, $depth = 0, $args = array() ) {
	$indent = str_repeat( "\t", $depth );
	$output .= "\n$indent<ul class=\"sub-menu\">\n";
}

function end_lvl( &$output, $depth = 0, $args = array() ) {
	$indent = str_repeat( "\t", $depth );
	$output .= "$indent</ul>\n";
}

function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
	global $wp_query;
	$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

	$class_names = $value = '';

	$classes = empty( $item->classes ) ? array() : (array) $item->classes;
	$classes[] = 'menu-item-' . $item->ID;

	$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
	$class_names = ' class="' . esc_attr( $class_names ) . '"';

	$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );
	$id = strlen( $id ) ? ' id="' . esc_attr( $id ) . '"' : '';

	$output .= $indent . '<li' . $id . $value . $class_names . '>';

	$attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) . '"' : '';
	$attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) . '"' : '';
	$attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) . '"' : '';
	$attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) . '"' : '';

	$item_output = $args->before;
	$item_output .= '<a' . $attributes . '>';
	$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
	$item_output .= '</a>';
	$item_output .= $args->after;

	$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}

function end_el( &$output, $item, $depth = 0, $args = array() ) {
	$output .= "</li>\n";
}