How can errors related to calling member functions on non-objects be avoided when working with PHP scripts that involve database values?

When working with PHP scripts that involve database values, errors related to calling member functions on non-objects can be avoided by checking if the database query was successful before attempting to call member functions on the result. This can be done by verifying that the query returned an object before trying to access its properties or methods. 

// Example code snippet to avoid errors related to calling member functions on non-objects
$result = $mysqli->query("SELECT * FROM table");

if ($result && $result->num_rows > 0) {
    while ($row = $result->fetch_assoc()) {
        // Process the database values here
    }
} else {
    echo "No results found.";
}

Keywords

PHP member functions non-objects database values error handling

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