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<?php |
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/** |
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* @package Polylang |
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*/ |
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|
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/** |
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* Displays a language list |
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* |
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* @since 1.2 |
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*/ |
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class PLL_Walker_List extends Walker { |
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/** |
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* Database fields to use. |
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* |
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* @see https://developer.wordpress.org/reference/classes/walker/#properties Walker::$db_fields. |
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* |
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* @var array |
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*/ |
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public $db_fields = array( 'parent' => 'parent', 'id' => 'id' ); |
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|
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/** |
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* Outputs one element |
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* |
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* @since 1.2 |
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* |
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* @param string $output Passed by reference. Used to append additional content. |
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* @param stdClass $element The data object. |
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* @param int $depth Depth of the item. |
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* @param array $args An array of additional arguments. |
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* @param int $current_object_id ID of the current item. |
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* @return void |
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*/ |
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public function start_el( &$output, $element, $depth = 0, $args = array(), $current_object_id = 0 ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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$output .= sprintf( |
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'%6$s<li class="%1$s"><a %8$s lang="%2$s" hreflang="%2$s" href="%3$s">%4$s%5$s</a></li>%7$s', |
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esc_attr( implode( ' ', $element->classes ) ), |
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esc_attr( $element->locale ), |
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esc_url( $element->url ), |
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$element->flag, |
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$args['show_flags'] && $args['show_names'] ? sprintf( '<span style="margin-%1$s:0.3em;">%2$s</span>', is_rtl() ? 'right' : 'left', esc_html( $element->name ) ) : esc_html( $element->name ), |
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'discard' === $args['item_spacing'] ? '' : "\t", |
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'discard' === $args['item_spacing'] ? '' : "\n", |
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empty( $element->link_classes ) ? '' : 'class="' . esc_attr( implode( ' ', $element->link_classes ) ) . '"' |
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); |
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} |
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|
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/** |
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* Overrides Walker::display_element as it expects an object with a parent property |
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* |
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* @since 1.2 |
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* |
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* @param stdClass $element Data object. |
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* @param array $children_elements List of elements to continue traversing. |
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* @param int $max_depth Max depth to traverse. |
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* @param int $depth Depth of current element. |
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* @param array $args An array of arguments. |
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* @param string $output Passed by reference. Used to append additional content. |
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* @return void |
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*/ |
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public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { |
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$element = (object) $element; // Make sure we have an object |
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$element->parent = $element->id = 0; // Don't care about this |
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parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); |
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} |
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|
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/** |
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* Overrides Walker:walk to set depth argument |
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* |
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* @since 1.2 |
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* @since 2.6.7 Use $max_depth and ...$args parameters to follow the move of WP 5.3 |
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* |
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* @param array $elements An array of elements. |
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* @param int $max_depth The maximum hierarchical depth. |
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* @param mixed ...$args Additional arguments. |
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* @return string The hierarchical item output. |
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*/ |
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public function walk( $elements, $max_depth, ...$args ) { // phpcs:ignore WordPressVIPMinimum.Classes.DeclarationCompatibility.DeclarationCompatibility |
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if ( is_array( $max_depth ) ) { // @phpstan-ignore-line |
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// Backward compatibility with Polylang < 2.6.7 |
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if ( WP_DEBUG ) { |
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trigger_error( // phpcs:ignore WordPress.PHP.DevelopmentFunctions |
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sprintf( |
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'%s was called incorrectly. The method expects an integer as second parameter since Polylang 2.6.7', |
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__METHOD__ |
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) |
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); |
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} |
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$args = $max_depth; |
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$max_depth = -1; |
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} else { |
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$args = isset( $args[0] ) ? $args[0] : array(); |
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} |
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|
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return parent::walk( $elements, $max_depth, $args ); |
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} |
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} |
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|
