<?php$dsn = 'mysql:dbname=test;host=127.0.0.1';$user = 'root';$password = '';try {  $pdo = new PDO($dsn, $user, $password);} catch (PDOException $e) {  die("數據庫連接失敗".$e->getMessage());}$table = 'cy_news';//判斷表是否存在$result = $pdo->query("SHOW TABLES LIKE '". $table."'");$row = $result->fetchAll();if('1' == count($row)){  echo "Table exists";} else {  echo "Table does not exist";}?>

<?php$con = mysql_connect("localhost","root","");mysql_select_db("php_cms", $con);$table = 'cy_news';if(mysql_num_rows(mysql_query("SHOW TABLES LIKE '". $table."'"))==1) {  echo "Table exists";} else {  echo "Table does not exist";}?>