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How do I connect PHP to my SQL database?

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To connect PHP to a MySQL database, use the `mysqli` or `PDO` extension. Here's a simple example using `mysqli`: *php: $servername = "localhost"; // Database server $username = "your_username"; // Database username $password = "your_password"; // Database password $dbname = "your_database"; // Database...
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To connect PHP to a MySQL database, use the `mysqli` or `PDO` extension. Here's a simple example using `mysqli`:

*php:

$servername = "localhost"; // Database server

$username = "your_username"; // Database username

$password = "your_password"; // Database password

$dbname = "your_database"; // Database name

 

// Create connection

$conn = new mysqli($servername, $username, $password, $dbname);

 

// Check connection

if ($conn->connect_error) {

    die("Connection failed: " . $conn->connect_error);

}

echo "Connected successfully";

Make sure to replace the placeholders with your actual database credentials.

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To connect PHP to your MySQL database, follow these steps: 1. **Install the MySQLi or PDO Extension**: - Ensure you have either the MySQLi or PDO extension enabled in your PHP installation. MySQLi is specific to MySQL, while PDO supports multiple databases. 2. **Establish a Connection**: ...
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To connect PHP to your MySQL database, follow these steps: 1. **Install the MySQLi or PDO Extension**: - Ensure you have either the MySQLi or PDO extension enabled in your PHP installation. MySQLi is specific to MySQL, while PDO supports multiple databases. 2. **Establish a Connection**: - Use either MySQLi or PDO to connect to the database. ### Using MySQLi: ```php connect_error) { die("Connection failed: " . $conn->connect_error); } echo "Connected successfully"; // Close connection $conn->close(); ?> ``` ### Using PDO: ```php setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); echo "Connected successfully"; } catch(PDOException $e) { echo "Connection failed: " . $e->getMessage(); } // Close connection $conn = null; ?> ``` 3. **Perform Database Operations**: - Use the connection to execute SQL queries (SELECT, INSERT, UPDATE, DELETE) as needed. 4. **Close the Connection**: - Always close the connection after completing database operations to free resources. This method will enable you to connect your PHP application to a MySQL database effectively. read less
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