interface-language-strategy.php in Product Labels, Quick View, Buy Now, Pre-Orders, Frequently Bought Together & More for WooCommerce – Merchant 2.3.1, at inc/MultiLang/interface-language-strategy.php

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1	<?php
2
3	if ( ! defined( 'ABSPATH' ) ) {
4	exit; // Exit if accessed directly
5	}
6
7	/**
8	* Merchant - Multi Language
9	*/
10	if ( ! interface_exists( 'Merchant_Language_Strategy' ) ) {
11	interface Merchant_Language_Strategy {
12
13	/**
14	* Register a string for translation.
15	*
16	* @param string $string_to_register The string to translate.
17	* @param string $context The context of the string.
18	* @param bool $multiline Whether the string is multiline or not.
19	*/
20	public function register_string( $string_to_register, $context, $multiline = false ): void;
21
22	/**
23	* Translate a string.
24	*
25	* @param string $string_to_translate The string to translate.
26	*
27	* @return string
28	*/
29	public function translate_string( $string_to_translate );
30
31	/**
32	* Get Current language code
33	*
34	* @return string
35	*/
36	public function get_current_lang();
37
38	/**
39	* Translate a taxonomy term slug or ID to another language.
40	*
41	* When $term is a string (slug), returns the translated slug.
42	* When $term is an int (term ID), returns the translated term ID.
43	* Returns the original $term unchanged if no translation is found.
44	*
45	* @param string\|int $term The term slug or term ID to translate.
46	* @param string $taxonomy The taxonomy name (e.g. 'product_cat').
47	* @param string\|null $language Target language code. Null = current language.
48	*
49	* @return string\|int Translated term (same type as input).
50	*
51	* @since 2.1.9
52	*/
53	public function translate_term( $term, $taxonomy, $language = null );
54
55	/**
56	* Switch the active language context for subsequent queries.
57	*
58	* Call restore_language() to revert to the original language.
59	*
60	* @param string $language Language code to switch to.
61	*
62	* @return void
63	*
64	* @since 2.1.9
65	*/
66	public function switch_language( $language );
67
68	/**
69	* Restore the language context to what it was before switch_language().
70	*
71	* @return void
72	*
73	* @since 2.1.9
74	*/
75	public function restore_language();
76
77	/**
78	* Get the default (primary) language code.
79	*
80	* @return string Language code (e.g. 'en'), or empty string if unavailable.
81	*
82	* @since 2.1.9
83	*/
84	public function get_default_language();
85
86	/**
87	* Get the language code that disables language filtering.
88	*
89	* Intended for use with switch_language() to query terms
90	* across all languages (e.g. admin Select2 dropdowns).
91	*
92	* @return string The "all languages" code for this plugin.
93	*
94	* @since 2.1.9
95	*/
96	public function get_all_languages_code();
97
98	/**
99	* Get the language code for a specific post.
100	*
101	* Useful in AJAX contexts where the current language detection
102	* may be unreliable, allowing callers to determine the actual
103	* language of the content being evaluated.
104	*
105	* @param int $post_id The post ID to check.
106	*
107	* @return string Language code (e.g. 'ar', 'en'), or empty string if unavailable.
108	*
109	* @since 2.1.9
110	*/
111	public function get_post_language( $post_id );
112	}
113	}
114