What common errors can occur when connecting PHP to a DB2 database?

One common error when connecting PHP to a DB2 database is not specifying the correct database credentials, such as the username, password, and database name. To solve this issue, make sure to double-check and correctly input the required database connection details in the PHP code. 

$database = 'SAMPLE';
$user = 'username';
$password = 'password';
$hostname = 'localhost';
$port = 50000;

$conn = db2_connect($database, $user, $password, array('HOSTNAME' => $hostname, 'PORT' => $port));
if (!$conn) {
    die('Could not connect: ' . db2_conn_error());
}

Keywords

DB2 PHP database connection error handling SQLSTATE.

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