What are the best practices for storing and comparing timestamps in PHP for tracking visitor counts?

Storing and comparing timestamps in PHP for tracking visitor counts requires using a consistent format, such as Unix timestamps, to ensure accurate comparisons. It is best practice to store timestamps in a database as integers and convert them to Unix timestamps when performing comparisons. Additionally, using PHP functions like time() and strtotime() can help manage timestamps effectively.

// Storing current timestamp in a database
$timestamp = time();

// Converting stored timestamp to Unix timestamp for comparison
$stored_timestamp = strtotime($timestamp);

// Comparing timestamps
if ($stored_timestamp > $another_timestamp) {
    echo "Stored timestamp is greater than another timestamp";
} else {
    echo "Stored timestamp is less than or equal to another timestamp";
}