Phar::isValidPharFilename — Returns whether the given filename is a valid phar filename
Returns whether the given filename is a valid phar filename that will be recognized as a phar archive by the phar extension. This can be used to test a name without having to instantiate a phar archive and catch the inevitable Exception that will be thrown if an invalid name is specified.
The name or full path to a phar archive not yet created
This parameter determines whether the filename should be treated as a phar executable archive, or a data non-executable archive and is TRUE by default
Returns TRUE if the filename is valid, FALSE if not.