i18n\Formatter asDatetime()

The value to be formatted. The following types of value are supported:

• an integer representing a UNIX timestamp
• a string that can be parsed to create a DateTime object. The timestamp is assumed to be in $defaultTimeZone unless a time zone is explicitly given.
• a PHP DateTime object

The format used to convert the value into a date string. If null, $dateFormat will be used.

This can be "short", "medium", "long", or "full", which represents a preset format of different lengths. It can also be a custom format as specified in the ICU manual.

Alternatively this can be a string prefixed with php: representing a format that can be recognized by the PHP date()-function.

The formatted result.

if the input value can not be evaluated as a date value.

if the date format is invalid.