What is the best way to convert a date into a timestamp in PHP for calculations?

When converting a date into a timestamp in PHP for calculations, the best way is to use the `strtotime()` function which will convert the date into a Unix timestamp. This timestamp can then be used for various date and time calculations in PHP. 

$date = "2022-01-01";
$timestamp = strtotime($date);
echo $timestamp;

Keywords

PHP date timestamp conversion calculations

Related Questions