PHP DB conn or PHP database connection is a technique used to connect PHP scripts with a database management system (DBMS) such as MySQL, Oracle, or Microsoft SQL Server. This allows PHP scripts to read and write data from the database using SQL commands, enabling efficient data processing and management.
Code examples using PHP DB Conn:
1. Using PDO:
// Establishing a connection with MySQL using PDO $dsn = "mysql:host=localhost;dbname=mydatabase"; $username = "myusername"; $password = "mypassword"; try { $pdo = new PDO($dsn, $username, $password); } catch (PDOException $e) { die("Connection failed: " . $e->getMessage()); } // Executing a query using PDO $sql = "SELECT * FROM mytable"; $stmt = $pdo->prepare($sql); $stmt->execute(); $results = $stmt->fetchAll(PDO::FETCH_ASSOC);
Package library: PDO (PHP Data Objects)
2. Using mysqli:
// Establishing a connection with MySQL using mysqli $servername = "localhost"; $username = "myusername"; $password = "mypassword"; $dbname = "mydatabase"; $conn = mysqli_connect($servername, $username, $password, $dbname); if (!$conn) { die("Connection failed: " . mysqli_connect_error()); } // Executing a query using mysqli $sql = "SELECT * FROM mytable"; $result = mysqli_query($conn, $sql); $results = mysqli_fetch_all($result, MYSQLI_ASSOC);
In both examples, we establish a connection to the database and execute an SQL query to retrieve data from a table. PDO and mysqli are both popular PHP database extensions that provide classes and functions to connect and communicate with different database systems. PDO is a database abstraction layer that supports multiple database systems, while mysqli is a specific extension for MySQL databases.
PHP db::conn - 14 examples found. These are the top rated real world PHP examples of db::conn from package kirby extracted from open source projects. You can rate examples to help us improve the quality of examples.