← CodePrimer
PHP
Beginner
Database
require db.php connection
How do I reuse one DB connection file?
require/include pattern.
<?php
require __DIR__ . '/db.php'; // provides $pdo
$stmt = $pdo->query('SELECT COUNT(*) AS c FROM students');
echo $stmt->fetch()['c'];Notes
Centralize credentials in one non-public config file.
Keywords: require · include · db.php · connection
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