'; public static function providers(): array { if (! config('airport_recommendations.enabled')) return []; $providers = array_filter(config('airport_recommendations.providers', []), fn ($p) => ($p['enabled'] ?? false) && filter_var($p['url'] ?? '', FILTER_VALIDATE_URL) && in_array(parse_url($p['url'], PHP_URL_SCHEME), ['https', 'http'], true)); uasort($providers, fn ($a, $b) => ($a['order'] ?? 0) <=> ($b['order'] ?? 0)); return $providers; } /** Presentation only: article storage, API receipts and subscription bytes stay intact. */ public static function prepare(Articles $article): array { $html = $article->sContent ?? ''; $category = $article->oCategory; $slug = $category?->sSlug; $scope = in_array($slug, ['freenode', 'shadowrocketids', 'advanced', 'client'], true) || $category?->oParent?->sSlug === 'client'; $enabled = $scope && self::providers() !== []; if (! $enabled) return ['body' => $html, 'enabled' => false, 'inline' => false]; $inline = false; if (in_array($slug, ['freenode', 'shadowrocketids'], true)) { // Match the known legacy heading and its own Fuyun link, bounded by the next heading. if (preg_match('~(?:]*>\s*)?]*>\s*机场推荐\s*[-—－:：]*\s*福云\s*[:：]?\s*~u', $html, $head, PREG_OFFSET_CAPTURE)) { $start = $head[0][1];$from = $start + strlen($head[0][0]); $tail = substr($html, $from); if (preg_match('~]*>.*?~si', $tail, $links, PREG_OFFSET_CAPTURE); foreach ($links[0] as [$link, $offset]) { $text = html_entity_decode(strip_tags($link), ENT_QUOTES | ENT_HTML5, 'UTF-8'); if (! str_contains($text, '机场官网') || ! str_contains($text, '福云')) continue; $end = $from + $offset + strlen($link); if (preg_match('~\A(?:\s|)*~i', substr($html, $end), $closing)) $end += strlen($closing[0]); $html = substr($html, 0, $start).self::SLOT.substr($html, $end); $inline = true; break; } } } if ($slug === 'advanced') { $anchor = '#'.config('airport_recommendations.anchor'); if (! str_contains($html, $anchor)) { $jump = '

如果需要更稳定的线路，可以从文末的机场推荐中选择。

'; $inserted = false; $html = preg_replace_callback('~]*>.*?

~si', function ($m) use (&$inserted, $jump) { if ($inserted || ! preg_match('/免费节点|订阅|稳定|机场|线路/u', strip_tags($m[0]))) return $m[0]; $inserted = true; return $m[0].$jump; }, $html); if (! $inserted) $html .= $jump; } } return ['body' => $html, 'enabled' => true, 'inline' => $inline]; } }