What potential pitfalls should be considered when using the mysql_connect function in PHP, especially in relation to error handling?

When using the mysql_connect function in PHP, potential pitfalls to consider include handling connection errors gracefully, ensuring proper error reporting is enabled, and securely handling credentials to prevent unauthorized access to the database. It is important to implement error handling to catch any connection issues and provide appropriate feedback to the user. 

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$database = "dbname";

$conn = @mysql_connect($servername, $username, $password);

if (!$conn) {
    die("Connection failed: " . mysql_error());
}

// Select database
$db_selected = mysql_select_db($database, $conn);

if (!$db_selected) {
    die("Database selection failed: " . mysql_error());
}

echo "Connected successfully";

// Perform database operations here

mysql_close($conn);
?>

Keywords

mysql_connect PHP error handling database connection security

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