Template:Check date/doc

This template is used to check whether the given parameter is a month. It is useful for templates such as Multiple issues that sort articles into cleanup categories by month.

If the parameter is a month/date/time formatted in the way recognized by PHP's strtotime, this template returns the month in the format, where   is written in full and   is written in 4 digits.

If the parameter is not a month/date/time, the empty string is returned.

simple:Template:Checkdate