protected function getPatternKeys()
    {

        // load the pattern keys from the configuration
        $patternKeys = $this->getPatternElements();

        // make sure that they are all lowercase
        array_walk($patternKeys, function (&$value) {
            $value = strtolower($value);
        });

        // return the pattern keys
        return $patternKeys;
    }
protected function getPatternKeys()
    {

        // load the pattern keys from the configuration
        $patternKeys = $this->getPatternElements();

        // make sure that they are all lowercase
        array_walk($patternKeys, function (&$value) {
            $value = strtolower($value);
        });

        // return the pattern keys
        return $patternKeys;
    }
protected function getPatternKeys ( ) { // load the pattern keys from the configuration $ patternKeys = $ this -> getPatternElements ( ) ; // make sure that they are all lowercase array_walk ( $ patternKeys , function ( & $ value ) { $ value = strtolower ( $ value ) ; } ) ; // return the pattern keys return $ patternKeys ; }
Returns the elements the filenames consists of, converted to lowercase.

@return array The array with the filename elements
Returns the elements the filenames consists of converted to lowercase .