src/Fields/Field.php
public function getCssClass($extra = null)
    {
        $class = 'cuztom-input '.$this->css_class;

        if (! Cuztom::isEmpty($extra)) {
            $class = $class.' '.$extra;
        }

        return apply_filters('cuztom_field_css_class', $class, $this, $extra);
    }
public function getCssClass($extra = null)
    {
        $class = 'cuztom-input '.$this->css_class;

        if (! Cuztom::isEmpty($extra)) {
            $class = $class.' '.$extra;
        }

        return apply_filters('cuztom_field_css_class', $class, $this, $extra);
    }
public function getCssClass ( $ extra = null ) { $ class = 'cuztom-input ' . $ this -> css_class ; if ( ! Cuztom :: isEmpty ( $ extra ) ) { $ class = $ class . ' ' . $ extra ; } return apply_filters ( 'cuztom_field_css_class' , $ class , $ this , $ extra ) ; }
Get the fields css classes.

@param  array  $extra
@return string
Get the fields css classes .