What is the process for connecting to an Oracle DB in PHP?

To connect to an Oracle database in PHP, you need to use the OCI8 extension. First, make sure that the OCI8 extension is installed and enabled in your PHP configuration. Then, you can use the oci_connect() function to establish a connection to the Oracle database by providing the database username, password, and connection string. 

// Database credentials
$username = 'your_username';
$password = 'your_password';
$connectionString = 'your_connection_string';

// Connect to Oracle database
$conn = oci_connect($username, $password, $connectionString);

// Check connection
if (!$conn) {
    $e = oci_error();
    trigger_error(htmlentities($e['message'], ENT_QUOTES), E_USER_ERROR);
} else {
    echo 'Connected to Oracle database';
}

Keywords

Oracle DB PHP connection OCI8 error handling

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