How can PHP handle cases where the number of results from a query is unknown and varies for each user input?

When the number of results from a query is unknown and varies for each user input, PHP can handle this by dynamically fetching and displaying the results without relying on a fixed number. This can be achieved by using a loop to iterate through the query results and display them accordingly. 

// Assuming $queryResult is the result of the query
if ($queryResult->num_rows > 0) {
    while ($row = $queryResult->fetch_assoc()) {
        // Display each result dynamically
        echo $row['column_name'] . "<br>";
    }
} else {
    echo "No results found.";
}

Keywords

PHP dynamic queries result set PDO prepared statements

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