What are best practices for converting dates into a sortable format in PHP?

When converting dates into a sortable format in PHP, it is best practice to use the strtotime() function to convert the date into a Unix timestamp, which can then be easily sorted numerically. This ensures that dates are converted into a format that can be compared and sorted accurately. 

$date = "2022-05-15";
$sortable_date = strtotime($date);
echo $sortable_date;

Keywords

date formatting strtotime DateTime sorting timestamp

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