What potential issues or errors should be considered when working with date inputs in PHP?

One potential issue when working with date inputs in PHP is handling user input that may not be in the correct format or may be invalid. To solve this issue, you can use the `DateTime::createFromFormat()` function to parse the user input into a valid date object, and then check if the date is valid using the `DateTime::getLastErrors()` function. 

$user_input = "2022-13-45"; // Example of invalid date input

$date = DateTime::createFromFormat('Y-m-d', $user_input);
$errors = DateTime::getLastErrors();

if ($errors['warning_count'] + $errors['error_count'] > 0) {
    echo "Invalid date input";
} else {
    echo "Valid date input: " . $date->format('Y-m-d');
}

Keywords

date input PHP validation strtotime timezone

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