static function read($filename) {
        if (file_exists($filename) && self::isReadable($filename)) {
            return file_get_contents($filename);
        }

        return NULL;
    }
static function read($filename) {
        if (file_exists($filename) && self::isReadable($filename)) {
            return file_get_contents($filename);
        }

        return NULL;
    }
static function read ( $ filename ) { if ( file_exists ( $ filename ) && self :: isReadable ( $ filename ) ) { return file_get_contents ( $ filename ) ; } return NULL ; }
Gets the contents of a file

@param   string  $filename   File to be read

@return  string
Gets the contents of a file