protected function get_less_variables() {
        $variables = array();

        // Getting all the candidate functions.
        $candidates = array();
        foreach ($this->parent_configs as $parent_config) {
            if (!isset($parent_config->lessvariablescallback)) {
                continue;
            }
            $candidates[] = $parent_config->lessvariablescallback;
        }
        $candidates[] = $this->lessvariablescallback;

        // Calling the functions.
        foreach ($candidates as $function) {
            if (function_exists($function)) {
                $vars = $function($this);
                if (!is_array($vars)) {
                    debugging('Callback ' . $function . ' did not return an array() as expected', DEBUG_DEVELOPER);
                    continue;
                }
                $variables = array_merge($variables, $vars);
            }
        }

        return $variables;
    }
protected function get_less_variables() {
        $variables = array();

        // Getting all the candidate functions.
        $candidates = array();
        foreach ($this->parent_configs as $parent_config) {
            if (!isset($parent_config->lessvariablescallback)) {
                continue;
            }
            $candidates[] = $parent_config->lessvariablescallback;
        }
        $candidates[] = $this->lessvariablescallback;

        // Calling the functions.
        foreach ($candidates as $function) {
            if (function_exists($function)) {
                $vars = $function($this);
                if (!is_array($vars)) {
                    debugging('Callback ' . $function . ' did not return an array() as expected', DEBUG_DEVELOPER);
                    continue;
                }
                $variables = array_merge($variables, $vars);
            }
        }

        return $variables;
    }
protected function get_less_variables ( ) { $ variables = array ( ) ; // Getting all the candidate functions. $ candidates = array ( ) ; foreach ( $ this -> parent_configs as $ parent_config ) { if ( ! isset ( $ parent_config -> lessvariablescallback ) ) { continue ; } $ candidates [ ] = $ parent_config -> lessvariablescallback ; } $ candidates [ ] = $ this -> lessvariablescallback ; // Calling the functions. foreach ( $ candidates as $ function ) { if ( function_exists ( $ function ) ) { $ vars = $ function ( $ this ) ; if ( ! is_array ( $ vars ) ) { debugging ( 'Callback ' . $ function . ' did not return an array() as expected' , DEBUG_DEVELOPER ) ; continue ; } $ variables = array_merge ( $ variables , $ vars ) ; } } return $ variables ; }
Return extra LESS variables to use when compiling.

@return array Where keys are the variable names (omitting the @), and the values are the value.
Return extra LESS variables to use when compiling .