php pdo prepare execute fetch code example
Example 1: how to fetch data using pdo in php
<?php
require_once 'dbconfig.php';
try {
$pdo = new PDO("mysql:host=$host;dbname=$dbname", $username, $password);
$sql = 'SELECT lastname,
firstname,
jobtitle
FROM employees
ORDER BY lastname';
$q = $pdo->query($sql);
$q->setFetchMode(PDO::FETCH_ASSOC);
} catch (PDOException $e) {
die("Could not connect to the database $dbname :" . $e->getMessage());
}
?>
<!DOCTYPE html>
<html>
<head>
<title>PHP MySQL Query Data Demo</title>
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/style.css" rel="stylesheet">
</head>
<body>
<div id="container">
<h1>Employees</h1>
<table class="table table-bordered table-condensed">
<thead>
<tr>
<th>First Name</th>
<th>Last Name</th>
<th>Job Title</th>
</tr>
</thead>
<tbody>
<?php while ($row = $q->fetch()): ?>
<tr>
<td><?php echo htmlspecialchars($row['lastname']) ?></td>
<td><?php echo htmlspecialchars($row['firstname']); ?></td>
<td><?php echo htmlspecialchars($row['jobtitle']); ?></td>
</tr>
<?php endwhile; ?>
</tbody>
</table>
</body>
</div>
</html>
Example 2: php pdo fetch from db
$dbhost = @mysql_connect($host, $user, $pass) or die('Unable to connect to server');
@mysql_select_db('divebay') or die('Unable to select database');
$search = $_GET['searchdivebay'];
$query = trim($search);
$sql = "SELECT * FROM auction WHERE name LIKE '%" . $query . "%'";
if(!isset($query)){
echo 'Your search was invalid';
exit;
} //line 18
$result = mysql_query($trim);
$numrows = mysql_num_rows($result);
mysql_close($dbhost);