basename($file),
'author' => '',
'date' => '',
'platform' => '',
'url' => '',
'tags' => [],
'duration' => '',
'type' => 'article'
];
// 提取并移除 YAML front matter
if (preg_match('/^---\s*\n(.*?)\n---\s*\n(.*)$/s', $content, $matches)) {
$yaml = $matches[1];
$content = $matches[2];
if (preg_match('/^title:\s*["\']?(.+?)["\']?\s*$/m', $yaml, $m)) {
$meta['title'] = trim($m[1], '"\'');
}
if (preg_match('/^author:\s*(.+?)\s*$/m', $yaml, $m)) {
$meta['author'] = trim($m[1]);
}
if (preg_match('/^date:\s*(.+?)\s*$/m', $yaml, $m)) {
$meta['date'] = trim($m[1]);
}
if (preg_match('/^platform:\s*(.+?)\s*$/m', $yaml, $m)) {
$meta['platform'] = trim($m[1]);
}
if (preg_match('/^url:\s*(.+?)\s*$/m', $yaml, $m)) {
$meta['url'] = trim($m[1]);
}
if (preg_match('/^duration:\s*(.+?)\s*$/m', $yaml, $m)) {
$meta['duration'] = trim($m[1]);
$meta['type'] = 'video';
}
if (preg_match('/^tags:\s*\[(.+)\]\s*$/m', $yaml, $m)) {
$tagsStr = $m[1];
preg_match_all('/"([^"]+)"/', $tagsStr, $tagMatches);
$meta['tags'] = $tagMatches[1] ?? [];
}
}
// Markdown 转换
function markdownToHtml($text) {
$text = preg_replace('/^#### (.*$)/m', '$1
', $text);
$text = preg_replace('/^### (.*$)/m', '$1
', $text);
$text = preg_replace('/^## (.*$)/m', '$1
', $text);
$text = preg_replace('/^# (.*$)/m', '$1
', $text);
$text = preg_replace('/\*\*(.+?)\*\*/', '$1', $text);
$text = preg_replace('/\*(.+?)\*/', '$1', $text);
$text = preg_replace('/```(\w*)\n(.*?)```/s', '$2
', $text);
$text = preg_replace('/`(.+?)`/', '$1', $text);
$text = preg_replace('/\[(.+?)\]\((.+?)\)/', '$1', $text);
$text = preg_replace('/^- (.*$)/m', '$1', $text);
$text = preg_replace('/(.*<\/li>\n?)+/', '', $text);
$text = preg_replace('/\n\n/', '', $text);
$text = '
' . $text . '
';
return $text;
}
function highlightSearch($text, $search) {
if (empty($search)) return $text;
return preg_replace('/(' . preg_quote($search, '/') . ')/i', '$1', $text);
}
$htmlContent = markdownToHtml(htmlspecialchars($content));
if ($search) {
$htmlContent = highlightSearch($htmlContent, $search);
}
$folder = dirname($file) !== '.' ? dirname($file) : '';
// 平台配置
function getPlatformInfo($platform) {
$platforms = [
'bilibili' => ['name' => 'Bilibili', 'icon' => '📺', 'color' => '#fb7299'],
'youtube' => ['name' => 'YouTube', 'icon' => '▶️', 'color' => '#ff0000'],
'zhihu' => ['name' => '知乎', 'icon' => '💡', 'color' => '#0084ff'],
'wechat' => ['name' => '微信', 'icon' => '💬', 'color' => '#07c160'],
];
return $platforms[$platform] ?? ['name' => $platform ?: '未知', 'icon' => '📄', 'color' => '#666'];
}
$platformInfo = getPlatformInfo($meta['platform']);
?>
<?php echo htmlspecialchars($meta['title']); ?> - 知识库