php 创建数据[crate database]与清空数据表

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php 创建数据[crate database]与清空数据表

function Ebak_CreatDb($dbname,$dbchar=''){
 global $empire,$phome_db_ver;
 $dbname=RepPostVar($dbname);
 if(!trim($dbname))
 {
  printerror("EmptyDbname","history.go(-1)");
 }
 $a="";
 if($dbchar&&$phome_db_ver>='4.1')
 {
  $a=" DEFAULT CHARACTER SET ".$dbchar;
 }
 $sql=$empire->query("CREATE DATABASE IF NOT EXISTS `$dbname`".$a);
 if($sql)
 {
  printerror("CreateDbSuccess","ChangeDb.php");
 }
 else
 {printerror("DbError","history.go(-1)");}
}

//--------------------------清空表
function Ebak_EmptyTable($tablename,$dbname){
 global $empire;
 $dbname=RepPostVar($dbname);
 $empire->query("use `$dbname`");
 $count=count($tablename);
 if(empty($count))
 {printerror("EmptyChangeTb","history.go(-1)");}
 for($i=0;$i  {
  $sql1=$empire->query("TRUNCATE `".$tablename[$i]."`;");
    }
 printerror("TruncateTbSuccess","ChangeTable.php?mydbname=$dbname");
}