Are there specific best practices for efficiently populating a PHP array from a database query?

When populating a PHP array from a database query, it's important to use efficient methods to minimize resource usage and improve performance. One best practice is to fetch data in batches rather than all at once, especially for large datasets. Another tip is to use associative arrays with meaningful keys to easily access the data later on. Additionally, consider using prepared statements to prevent SQL injection attacks and improve security. 

// Connect to the database
$pdo = new PDO('mysql:host=localhost;dbname=mydatabase', 'username', 'password');

// Prepare and execute the query
$stmt = $pdo->prepare('SELECT * FROM my_table');
$stmt->execute();

// Initialize an empty array to store the results
$data = [];

// Fetch data in batches and populate the array
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
    $data[$row['id']] = $row; // Use a meaningful key for easy access
}

// Use the populated array as needed
print_r($data);

Keywords

SQL database query array_push fetch_assoc performance

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