= 0 ? true : false; } /** * @notes 检查文件是否可写 * @param string $dir * @return bool * @author 段誉 * @date 2021/12/28 18:27 */ function check_dir_write(string $dir = ''): bool { $route = root_path() . '/' . $dir; return is_writable($route); } /** * 多级线性结构排序 * 转换前: * [{"id":1,"pid":0,"name":"a"},{"id":2,"pid":0,"name":"b"},{"id":3,"pid":1,"name":"c"}, * {"id":4,"pid":2,"name":"d"},{"id":5,"pid":4,"name":"e"},{"id":6,"pid":5,"name":"f"}, * {"id":7,"pid":3,"name":"g"}] * 转换后: * [{"id":1,"pid":0,"name":"a","level":1},{"id":3,"pid":1,"name":"c","level":2},{"id":7,"pid":3,"name":"g","level":3}, * {"id":2,"pid":0,"name":"b","level":1},{"id":4,"pid":2,"name":"d","level":2},{"id":5,"pid":4,"name":"e","level":3}, * {"id":6,"pid":5,"name":"f","level":4}] * @param array $data 线性结构数组 * @param string $symbol 名称前面加符号 * @param string $name 名称 * @param string $id_name 数组id名 * @param string $parent_id_name 数组祖先id名 * @param int $level 此值请勿给参数 * @param int $parent_id 此值请勿给参数 * @return array */ function linear_to_tree($data, $sub_key_name = 'sub', $id_name = 'id', $parent_id_name = 'pid', $parent_id = 0) { $tree = []; foreach ($data as $row) { if ($row[$parent_id_name] == $parent_id) { $temp = $row; $child = linear_to_tree($data, $sub_key_name, $id_name, $parent_id_name, $row[$id_name]); if ($child) { $temp[$sub_key_name] = $child; } $tree[] = $temp; } } return $tree; } /** * @notes 删除目标目录 * @param $path * @param $delDir * @return bool|void * @author 段誉 * @date 2022/4/8 16:30 */ function del_target_dir($path, $delDir) { //没找到,不处理 if (!file_exists($path)) { return false; } //打开目录句柄 $handle = opendir($path); if ($handle) { while (false !== ($item = readdir($handle))) { if ($item != "." && $item != "..") { if (is_dir("$path/$item")) { del_target_dir("$path/$item", $delDir); } else { unlink("$path/$item"); } } } closedir($handle); if ($delDir) { return rmdir($path); } } else { if (file_exists($path)) { return unlink($path); } return false; } } /** * @notes 下载文件 * @param $url * @param $saveDir * @param $fileName * @return string * @author 段誉 * @date 2022/9/16 9:53 */ function download_file($url, $saveDir, $fileName) { if (!file_exists($saveDir)) { mkdir($saveDir, 0775, true); } $fileSrc = $saveDir . $fileName; file_exists($fileSrc) && unlink($fileSrc); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); $file = curl_exec($ch); curl_close($ch); $resource = fopen($fileSrc, 'a'); fwrite($resource, $file); fclose($resource); if (filesize($fileSrc) == 0) { unlink($fileSrc); return ''; } return $fileSrc; } /** * @notes 去除内容图片域名 * @param $content * @return array|string|string[] * @author 段誉 * @date 2022/9/26 10:43 */ function clear_file_domain($content) { $fileUrl = FileService::getFileUrl(); return str_replace($fileUrl, '/', $content); } /** * @notes 设置内容图片域名 * @param $content * @return array|string|string[]|null * @author 段誉 * @date 2024/2/5 16:36 */ function get_file_domain($content) { $imgPreg = '/()/is'; $videoPreg = '/(