这是有问题的代码:
来自index.php:
require_once('includes/DbConnector.php');
// Create an object (instance) of the DbConnector
$connector = new DbConnector();
// Execute the query to retrieve articles
$query1 = "SELECT id, title FROM articles ORDER BY id DESC LIMIT 0,5";
$result = $connector->query($query1);
echo "vardump1:";
var_dump($result);
echo "\n";
/*(!line 17!)*/ echo "Number of rows in the result of the query:".mysql_num_rows($result)."\n";
// Get an array containing the results.
// Loop for each item in that array
while ($row = $connector->fetchArray($result)){
echo '<p> <a href="viewArticle.php?id='.$row['id'].'">';
echo $row['title']; …Run Code Online (Sandbox Code Playgroud)