function test()
    {
    $hostdir= iconv("utf-8","gbk","C:\Users\原萬裏\Desktop\日常筆記") ;     //iconv()轉換編碼方式，將UTF-8轉換為gbk，若是報錯在gbk後加//IGNORE
    $filesnames = scandir($hostdir);                         //scandir() 函數返回指定目錄中的文件和目錄的數組。默認升序排列，
    
    foreach ($filesnames as $name) {
             if($name!=".." && $name
 
!=".")                   //遍歷結果中會多出‘.’以及‘..’，沒有用處，不予處理;
             {
                 $cipath = $hostdir.$name;
                 $cjfilenames = scandir($cipath);                    //根據情況再決定是否再向下遍歷一次
                 foreach($cjfilenames as $cjname)
                 {
                       if($cjname
 
!=".." && $cjname!="." &&!is_dir($cipath."/".$cjname))
                         {
                             $str = file_get_contents($cipath."/".$cjname);
                             file_put_contents("e:/test.txt",$str,FILE_APPEND);
                         }
                 }
             }
         
 
echo "\n";
    }
    }

php 將多個txt文件合並成