Are there any best practices to follow when working with UNIX timestamps in PHP?

When working with UNIX timestamps in PHP, it's important to ensure that you are using the correct functions to convert timestamps to and from human-readable dates and times. One common mistake is using the `date()` function with a timestamp directly, which can lead to incorrect results. Instead, you should use the `date()` function with the `strtotime()` function to properly format UNIX timestamps. 

// Convert UNIX timestamp to human-readable date
$timestamp = 1609459200; // January 1, 2021
$date = date('Y-m-d H:i:s', $timestamp);
echo $date;

// Convert human-readable date to UNIX timestamp
$date = '2021-01-01 00:00:00';
$timestamp = strtotime($date);
echo $timestamp;

Keywords

UNIX timestamps PHP date functions time functions timestamp conversion

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