php数据库表前缀,php批量更改数据库表前缀实现方法

$database = "databaseName";         //数据库名称

$user = "root";                       //数据库用户名

$pwd = "pwd";                         //数据库密码

$replace ='pre_';                     //替换后的前缀

$seach = 'pre1_';                     //要替换的前缀

$db=mysql_connect("localhost","$user","$pwd") or die("连接数据库失败：".mysql_error());         //连接数据库

$tables = mysql_list_tables("$database");

while($name = mysql_fetch_array($tables)) {

$table = str_replace($seach,$replace,$name['0']);

mysql_query("rename table $name[0] to $table");

}

?>