boolean
     PHP_CompatInfo_Renderer::isIncludable
     ( 
    
     string
     $file
    
   )
Returns whether or not a file is in the include path
$file
     Path to filename to check if includable
returns True if the file is in the include path, false otherwise
throws no exceptions thrown
since version 1.7.0b4 (2008-04-03)
This function can not be called statically.