php更新数据库并返回所影响的行数

<html>
  <body>
  <?php
  $host=\"mysql153.secureserver.net\";
  $uname=\"java2s\";
  $pass=\"password\";
  $data =\"java2s\";
  $tablename=\"Employee\";
  
  $connection= mysql_connect($host,$uname,$pass)  or die(\"Data  connection failed!<br>\");
  $result=mysql_select_db($data ) or die(\"Data  could not be selected\");
  $query = \"UPDATE Employee SET Firstname=\\\"new Name\\\" where id=2\";
  $result = mysql_query($query);

  if (!$result) {
     die(\" Query could not be executed.<br>\");
  } else {
  echo \"<table> \";
  echo \" <tr>\";
  echo \"   <td colspan=\\\"2\\\">\";
  echo \"     <center><b>\".mysql_affected_rows().\" record updated successfully</b></center>\";
  echo \"   </td>\";
  echo \"  </tr>\";
  echo \"  <tr>\";
  echo \"    <td>\";
  echo \"      <div align=\\\"right\\\"> Name</div>\";
  echo \"   </td>\";
  echo \"   <td>\".$name. \"</td>\";
  echo \" </tr>\";
  echo \" <tr>\";
  echo \"   <td>\";
  echo \"     <div align=\\\"right\\\">E-mail</div>\";

  echo \"    </td>\";
  echo \"    <td>\".$email. \"</td>\";
  echo \"  </tr>\";
  echo \"  <tr>\";
  echo \"    <td>\";
  echo \"      <div align=\\\"right\\\"> CustomerID</div>\";
  echo \"    </td>\";
  echo \"    <td>\".$customerid. \"</td>\";
  echo \"  </tr>\";
  echo \"</table>\";
  }
  ?>
  </body>
  </html>
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