polylang / src / Model / Hide_Empty.php

Hide_Empty.php in Polylang 3.8, at src/Model/Hide_Empty.php

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1	<?php
2	/**
3	* @package Polylang
4	*/
5
6	namespace WP_Syntex\Polylang\Model;
7
8	/**
9	* Class to filter the list of languages to only include non-empty languages.
10	*/
11	class Hide_Empty implements Languages_Proxy_Interface {
12	/**
13	* Returns the proxy's key.
14	*
15	* @since 3.8
16	*
17	* @return string
18	*/
19	public function key(): string {
20	return 'hide_empty';
21	}
22
23	/**
24	* Returns the list of non-empty languages after passing it through this proxy.
25	*
26	* @since 3.8
27	*
28	* @param \PLL_Language[] $languages List of languages to filter.
29	* @return \PLL_Language[] Filtered languages.
30	*/
31	public function filter( array $languages ): array {
32	return array_filter(
33	$languages,
34	static function ( $lang ) {
35	return $lang->get_tax_prop( 'language', 'count' ) > 0;
36	}
37	);
38	}
39	}
40