In what scenarios can different date formats cause issues in PHP applications?

Different date formats can cause issues in PHP applications when trying to parse or format dates using functions like `strtotime()` or `date()`. To solve this issue, it's recommended to use the `DateTime` class in PHP, which provides more flexibility in handling different date formats. 

$dateString = '2022-01-15';
$date = DateTime::createFromFormat('Y-m-d', $dateString);
echo $date->format('Y-m-d');

Keywords

date formats PHP applications strtotime function date function timezone settings

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