What are common pitfalls when using dates in PHP comparisons?

Common pitfalls when using dates in PHP comparisons include not accounting for timezones, not properly formatting the dates for comparison, and not handling edge cases such as leap years or daylight saving time changes. To solve these issues, it's important to always set the correct timezone when working with dates and to use the appropriate date formatting functions to ensure consistent comparisons. Additionally, consider using PHP's DateTime class for more robust date manipulation and comparison. 

// Set the timezone to ensure consistent date comparisons
date_default_timezone_set('UTC');

// Create DateTime objects for comparison
$date1 = new DateTime('2022-01-01');
$date2 = new DateTime('2022-01-02');

// Compare dates using the DateTime objects
if ($date1 < $date2) {
    echo 'Date 1 is before Date 2';
} else {
    echo 'Date 1 is after Date 2';
}

Keywords

date comparison PHP timezone strtotime

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