Are there any specific PHP functions or methods that are recommended for converting dates between different formats, such as "d.m.Y" to UNIX timestamps?

When converting dates between different formats, such as "d.m.Y" to UNIX timestamps in PHP, the `strtotime()` function can be used to convert a date string to a UNIX timestamp. Another helpful function is `date()` which can be used to format the UNIX timestamp into a desired date format. 

$dateString = "25.12.2021";
$timestamp = strtotime($dateString);
$newDateFormat = date("Y-m-d", $timestamp);
echo $newDateFormat; // Output: 2021-12-25

Keywords

PHP date strtotime DateTime date_format

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