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64 lines
2.3 KiB
64 lines
2.3 KiB
<?php
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/**
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* @package Polylang
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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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* @since 3.4 Extends `PLL_Walker` now.
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*/
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class PLL_Walker_List extends PLL_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 string[]
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*/
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public $db_fields = array( 'parent' => 'parent', 'id' => 'id' );
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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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* 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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$this->maybe_fix_walk_args( $max_depth, $args );
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return parent::walk( $elements, $max_depth, $args );
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}
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}
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