150 lines
4.7 KiB
PHP
150 lines
4.7 KiB
PHP
<?php
|
|
/**
|
|
* AKSRT i18n Switch — 多语言切换辅助函数
|
|
*
|
|
* 支持 Polylang、WPML 或 WordPress 内置语言切换。
|
|
*
|
|
* @package AKSRT
|
|
*/
|
|
|
|
defined('ABSPATH') || exit;
|
|
|
|
/**
|
|
* 获取可用语言列表
|
|
*
|
|
* @return array<array{code: string, name: string, url: string, flag: string, active: bool}>
|
|
*/
|
|
function aksrt_get_available_languages(): array {
|
|
$languages = [];
|
|
|
|
// Polylang
|
|
if (function_exists('pll_the_languages')) {
|
|
$pll_langs = pll_the_languages(['raw' => 1]);
|
|
if (is_array($pll_langs)) {
|
|
foreach ($pll_langs as $lang) {
|
|
$languages[] = [
|
|
'code' => $lang['slug'] ?? '',
|
|
'name' => $lang['name'] ?? '',
|
|
'url' => $lang['url'] ?? '#',
|
|
'flag' => $lang['flag'] ?? '',
|
|
'active' => !empty($lang['current_lang']),
|
|
];
|
|
}
|
|
}
|
|
return $languages;
|
|
}
|
|
|
|
// WPML
|
|
if (defined('ICL_LANGUAGE_CODE') && function_exists('icl_get_languages')) {
|
|
$wpml_langs = icl_get_languages('skip_missing=0');
|
|
if (is_array($wpml_langs)) {
|
|
foreach ($wpml_langs as $lang) {
|
|
$languages[] = [
|
|
'code' => $lang['language_code'] ?? '',
|
|
'name' => $lang['native_name'] ?? '',
|
|
'url' => $lang['url'] ?? '#',
|
|
'flag' => $lang['country_flag_url'] ?? '',
|
|
'active' => !empty($lang['active']),
|
|
];
|
|
}
|
|
}
|
|
return $languages;
|
|
}
|
|
|
|
// WordPress 内置：通过 filter 提供语言列表
|
|
$filtered = apply_filters('aksrt_available_languages', []);
|
|
if (is_array($filtered) && !empty($filtered)) {
|
|
return $filtered;
|
|
}
|
|
|
|
return [];
|
|
}
|
|
|
|
/**
|
|
* 检查是否有多语言插件可用
|
|
*/
|
|
function aksrt_has_multilingual(): bool {
|
|
if (function_exists('pll_the_languages')) return true;
|
|
if (defined('ICL_LANGUAGE_CODE')) return true;
|
|
if (!empty(apply_filters('aksrt_available_languages', []))) return true;
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* 获取当前语言代码
|
|
*/
|
|
function aksrt_get_current_language(): string {
|
|
if (function_exists('pll_current_language')) {
|
|
return pll_current_language('slug');
|
|
}
|
|
if (defined('ICL_LANGUAGE_CODE')) {
|
|
return ICL_LANGUAGE_CODE;
|
|
}
|
|
return get_locale();
|
|
}
|
|
|
|
/**
|
|
* 渲染语言切换器 HTML
|
|
*
|
|
* @param string $style dropdown | inline | flags
|
|
* @return string
|
|
*/
|
|
function aksrt_render_language_switcher(string $style = 'dropdown'): string {
|
|
$languages = aksrt_get_available_languages();
|
|
if (count($languages) < 2) return '';
|
|
|
|
$current = aksrt_get_current_language();
|
|
|
|
if ($style === 'flags') {
|
|
$html = '<div class="aksrt-lang-switch aksrt-lang-switch--flags">';
|
|
foreach ($languages as $lang) {
|
|
$active_class = $lang['active'] ? ' is-active' : '';
|
|
$html .= '<a href="' . esc_url($lang['url']) . '" class="aksrt-lang-switch__flag' . esc_attr($active_class) . '" title="' . esc_attr($lang['name']) . '">';
|
|
if ($lang['flag']) {
|
|
$html .= '<img src="' . esc_url($lang['flag']) . '" alt="' . esc_attr($lang['code']) . '" width="20" height="14">';
|
|
} else {
|
|
$html .= '<span>' . esc_html(strtoupper($lang['code'])) . '</span>';
|
|
}
|
|
$html .= '</a>';
|
|
}
|
|
$html .= '</div>';
|
|
return $html;
|
|
}
|
|
|
|
// dropdown style
|
|
$html = '<div class="aksrt-lang-switch">';
|
|
$html .= '<button type="button" class="aksrt-lang-switch__toggle" aria-haspopup="true" aria-expanded="false">';
|
|
|
|
// 当前语言
|
|
foreach ($languages as $lang) {
|
|
if ($lang['active'] || $lang['code'] === $current) {
|
|
if ($lang['flag']) {
|
|
$html .= '<img src="' . esc_url($lang['flag']) . '" alt="" width="18" height="12"> ';
|
|
}
|
|
$html .= '<span>' . esc_html($lang['name']) . '</span>';
|
|
break;
|
|
}
|
|
}
|
|
|
|
$html .= ' <i class="fas fa-chevron-down" style="font-size:10px;margin-left:4px;"></i>';
|
|
$html .= '</button>';
|
|
|
|
$html .= '<ul class="aksrt-lang-switch__dropdown" role="menu">';
|
|
foreach ($languages as $lang) {
|
|
$active_class = $lang['active'] ? ' is-active' : '';
|
|
$html .= '<li role="menuitem">';
|
|
$html .= '<a href="' . esc_url($lang['url']) . '" class="aksrt-lang-switch__item' . esc_attr($active_class) . '">';
|
|
if ($lang['flag']) {
|
|
$html .= '<img src="' . esc_url($lang['flag']) . '" alt="" width="18" height="12"> ';
|
|
}
|
|
$html .= esc_html($lang['name']);
|
|
$html .= '</a>';
|
|
$html .= '</li>';
|
|
}
|
|
$html .= '</ul>';
|
|
|
|
$html .= '</div>';
|
|
|
|
return $html;
|
|
}
|