How does the DateTime class in PHP handle date conversions from DD.MM.YYYY format to YYYY-MM-DD format?

When converting a date from DD.MM.YYYY format to YYYY-MM-DD format using the DateTime class in PHP, you can use the DateTime::createFromFormat() method to specify the input format and then use the format() method to output the date in the desired format. 

$date = "31.12.2021";
$dateTime = DateTime::createFromFormat('d.m.Y', $date);
$newDate = $dateTime->format('Y-m-d');
echo $newDate; // Outputs: 2021-12-31

Keywords

DateTime class date conversion DD.MM.YYYY format YYYY-MM-DD format PHP

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