function count_footer_nav_columns()
{
$menu = woopstrapblank_footer_nav("", false);
return substr_count($menu, 'menu-item-has-children');
}
<div class="container">
<div class="row">
<div class="left-column-footer">
<img src="<?php
echo get_template_directory_uri();
?>
/img/resources/footer-logo.png" width="40" />
</div>
<!-- Footer columns menu -->
<div class="center-column-footer menu-has-<?php
echo count_footer_nav_columns();
?>
-children">
<?php
woopstrapblank_footer_nav('menu-footer-menu');
?>
</div>
<!-- Custom widget area footer -->
<div class="right-column-footer menu-has-<?php
echo count_footer_nav_columns();
?>
-children">
<div class="widgets-container">
<?php
if (!function_exists('dynamic_sidebar') || !dynamic_sidebar('widget-area-footer')) {
}
?>
</div>
</div>
