php 检测mysql表是否存在

pdo:

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

mysql:

<?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";}?>