php批量修改表结构实例

废话不多说,直接上代码 <?php set_time_limit(0); $con = mysql_connect("localhost", "root", "root"); $dbname = "db"; if ($con) { if (mysql_select_db($dbname, $con)) { $sql = "show tables like 'pre_tb_%'"; $ret = mysql_query($sql); while($row = mysql_fetch_assoc($ret)){ $info1[] = $row; } foreac