What could be causing the "Fatal error: Call to undefined method DB_Error::query()" in the PHP code provided?

The error "Fatal error: Call to undefined method DB_Error::query()" typically occurs when trying to call a method that is not defined in the DB_Error class. This could happen if the database connection or query execution is not properly set up. To solve this issue, ensure that you are using the correct method for querying the database and that the database connection is established successfully. 

// Correct way to query the database using the PEAR DB library
$db = DB::connect('mysql://username:password@localhost/database_name');
if (DB::isError($db)) {
    die("Connection error: " . $db->getMessage());
}

$sql = "SELECT * FROM table_name";
$result = $db->query($sql);
if (DB::isError($result)) {
    die("Query error: " . $result->getMessage());
}

// Process the query result here

Keywords

Fatal error Call to undefined method DB_Error query PHP code

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