Phar::isValidPharFilename
(PHP >= 5.3.0, PECL phar >= 1.2.0)
Phar::isValidPharFilename — Returns whether the given filename is a valid phar filename
Description
   bool Phar::isValidPharFilename
    ( string $filename
   [, bool $executable = true
  ] )
  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.
Parameters
- filename
- 
      The name or full path to a phar archive not yet created 
- executable
- 
      This parameter determines whether the filename should be treated as a phar executable archive, or a data non-executable archive 
Return Values
Returns TRUE if the filename is valid, FALSE if not.