polylang / src / modules / Blocks / Language_Switcher / Standard / Block.php

Block.php in Polylang 3.8.4, at src/modules/Blocks/Language_Switcher/Standard/Block.php

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1	<?php
2	/**
3	* @package Polylang
4	*/
5
6	namespace WP_Syntex\Polylang\Blocks\Language_Switcher\Standard;
7
8	use PLL_Switcher;
9	use WP_Syntex\Polylang\Blocks\Language_Switcher\Abstract_Block;
10
11	/**
12	* Language switcher block.
13	*
14	* @since 2.8
15	* @since 3.2 Extends now the PLL_Abstract_Language_Switcher_Block abstract class.
16	* @since 3.8 Moved to Polylang Core and renamed to Language_Switcher\Standard\Block.
17	*/
18	class Block extends Abstract_Block {
19
20	/**
21	* Returns the language switcher block name with the Polylang's namespace.
22	*
23	* @since 3.2
24	*
25	* @return string The block name.
26	*/
27	protected function get_block_name() {
28	return 'polylang/language-switcher';
29	}
30
31	/**
32	* Renders the `polylang/language-switcher` block on server.
33	*
34	* @since 2.8
35	* @since 3.2 Renamed according to its parent abstract class.
36	* @since 3.3 Accepts two new parameters, $content and $block.
37	*
38	* @param array $attributes The block attributes.
39	* @param string $content The saved content. Unused.
40	* @param \WP_Block $block The parsed block. Unused.
41	* @return string Returns the language switcher.
42	*/
43	public function render( $attributes, $content, $block ) { //phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
44	static $dropdown_id = 0;
45	++$dropdown_id;
46
47	// Sets a unique id for dropdown in PLL_Switcher::the_language().
48	$attributes['dropdown'] = empty( $attributes['dropdown'] ) ? 0 : $dropdown_id;
49
50	$attributes = $this->set_attributes_for_block( $attributes );
51
52	$attributes['raw'] = false;
53	$switcher = new PLL_Switcher();
54	$switcher_output = $switcher->the_languages( $this->links, $attributes );
55
56	if ( empty( $switcher_output ) ) {
57	return '';
58	}
59
60	$aria_label = __( 'Choose a language', 'polylang' );
61	if ( $attributes['dropdown'] ) {
62	$switcher_output = '<label class="screen-reader-text" for="' . esc_attr( 'lang_choice_' . $attributes['dropdown'] ) . '">' . esc_html( $aria_label ) . '</label>' . $switcher_output;
63
64	$wrap_tag = '<div %1$s>%2$s</div>';
65	} else {
66	$wrap_tag = '<nav role="navigation" aria-label="' . esc_attr( $aria_label ) . '"><ul %1$s>%2$s</ul></nav>';
67	}
68
69	$wrap_attributes = get_block_wrapper_attributes();
70
71	return sprintf( $wrap_tag, $wrap_attributes, $switcher_output );
72	}
73
74	/**
75	* Returns the path to the block JSON file directory.
76	* The directory name being used to register a block.
77	*
78	* @since 3.8
79	*
80	* @return string The path to the block.
81	*/
82	protected function get_path(): string {
83	return __DIR__;
84	}
85	}
86