Customizer::buildSections PHP Method

    private function buildSections()
    {
        if (empty($this->sections) or !is_array($this->sections)) {
            return FALSE;
        }
        foreach ($this->sections as $section_key => $section) {
            foreach ($section as $key => $value) {
                if ($key === 'fields') {
                    $this->fields[$section_key][] = $this->buildFields($value);
                }
                if ($key === 'fieldset') {
                    $this->fields[$section_key][] = $this->buildFieldset($value);
                }
                if ($key === 'table') {
                    $this->tables[$section_key][] = $this->buildTable($value);
                }
            }
        }
    }