php write log php寫log

function write_log($str,$status,$data_array)  //傳入資料夾名 想寫近的狀態 資料      
{

    $textname = $str.date("Ymd").".txt"; //檔名  filename
    $URL = "log/".$str."/";                         //路徑  Path
    if(!is_dir($URL))                                 // 路徑中的$str 資料夾是否存在 Folder exists in the path
        mkdir($URL,0700);
   
    $URL .= $textname;                           //完整路徑與檔名 The full path and filename

    $time = $str.$status.":".date("H:i:s"); //時間 Time
    $writ_tmp = '';
    foreach ($data_array as $key => $value) //將陣列資料讀出 To read array data
    {
       $writ_tmp .= ",".$key."=".$value;            
    }
    $write_data = $time.$writ_tmp."\n";
               
    $fileopen = fopen($URL, "a+");              
    fseek($fileopen, 0);
    fwrite($fileopen,$write_data);                 //寫資料進去 write data
    fclose($fileopen);
}