Php backup database, php backup _ PHP Tutorial

Php backup database and php backup. Php backup database, php backup? Php *** @ namephp backup database * @ paramstring $ DbHost connection host * @ paramstring $ DbUser username * @ paramstring $ DbPwd connection password * php backup database, php backup

 '; $ Link = mysql_connect ($ DbHost, $ DbUser, $ DbPwd) or die ('database connection failed :'. mysql_error (); mysql_select_db ($ DbName) or die ('database connection failed :'. mysql_error (); mysql_query ('set names utf8'); // declare the variable $ isDropInfo = ''; $ insertSQL =''; $ row = array (); $ tables = array (); $ tableStructure = array (); $ fileName = ($ saveFileName? $ SaveFileName: 'MySQL _ data_bakeup _'). date ('ymdhis '). '. SQL '; // enumerate all TABLES in the database $ res = mysql_query ("SHOW TABLES FROM $ DbName"); while ($ row = mysql_fetch_row ($ res )) {$ tables [] = $ row [0];} mysql_free_result ($ res); // enumerate the statement foreach ($ tables as $ val) for creating all tables) {$ res = mysql_query ("show create table $ val", $ link); $ row = mysql_fetch_row ($ res); $ isDropInfo = "drop table if exists '". $ val. "'; \ r \ n"; $ ta BleStructure = $ isDropInfo. $ row [1]. "; \ r \ n"; file_put_contents ($ fileName, $ tableStructure, FILE_APPEND); mysql_free_result ($ res );} // enumerate the INSERT statements of all tables foreach ($ tables as $ val) {$ res = mysql_query ("select * from $ val "); // insert while ($ row = mysql_fetch_row ($ res) {$ sqlStr = "insert '". $ val. "'values ("; foreach ($ row as $ v) {$ sqlStr. = "'$ V'," ;}// remove the last comma $ sqlStr = substr ($ sq LStr, 0, strlen ($ sqlStr)-1); $ sqlStr. = "); \ r \ n"; file_put_contents ($ fileName, $ sqlStr, FILE_APPEND);} mysql_free_result ($ res);} echo 'data backup successful! ';} // Call this method backupMySqlData ('localhost', 'root', '123', 'youdbname');?>

Why? Php/***** @ name php backup database * @ param string $ DbHost connection host * @ param string $ DbUser username * @ param string $ DbPwd connection password *...