How can developers ensure proper parameter passing and error handling when using mysqli_real_escape_string in PHP functions?

Developers can ensure proper parameter passing and error handling when using mysqli_real_escape_string in PHP functions by checking if the connection to the database is successful, properly escaping the input parameters, and handling any errors that may occur during the process. 

// Establish a connection to the database
$connection = mysqli_connect("localhost", "username", "password", "database");

// Check if the connection is successful
if (!$connection) {
    die("Connection failed: " . mysqli_connect_error());
}

// Escape the input parameter using mysqli_real_escape_string
$input = mysqli_real_escape_string($connection, $_POST['input']);

// Handle any errors that may occur during the process
if (mysqli_error($connection)) {
    die("Error: " . mysqli_error($connection));
}

// Use the escaped input parameter in your SQL query
$query = "INSERT INTO table (column) VALUES ('$input')";
mysqli_query($connection, $query);

// Close the connection
mysqli_close($connection);

Keywords

mysqli_real_escape_string parameter passing error handling PHP functions developers

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