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Adding The WordPress body_class() Function To The Thesis <body> Tag

The Thesis body class filter allows you to add classes to the <body> tag in order to customize posts, pages, or groups of posts and pages on your website.

I’ve written about this a couple of times before, but I’ve taken it a step further here.

The following function adds a variety of classes to the <body> tag while keeping the “custom” class intact and accommodating Thesis post and page custom classes which are set on each respective post/page edit page.

function big_body_classes() {
	// Ensure the "custom" class remains
	$classes[] = 'custom';

	// Add the body_class() function
	$bodyclasses = get_body_class();
	foreach ($bodyclasses as $bodyclass) {
	    $classes[] .= $bodyclass;
	}

	// Accommodate Thesis post classes
	if(is_page() || is_single()) {
		global $post;
		$custom_slug = get_post_meta($post->ID, 'thesis_slug', true);
		$deprecated_custom_slug = get_post_meta($post->ID, thesis_get_custom_field_key('slug'), true);
		if ($custom_slug) {
			$classes[] = $custom_slug;
		}
		elseif ($deprecated_custom_slug) {
			$classes[] = $deprecated_custom_slug;
		}
	}
	return $classes;
}
add_filter('thesis_body_classes', 'big_body_classes');

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I'm a freelance web designer from a small town in Indiana. I love the Chicago Cubs, my wife, Coca Cola and dark chocolate...in that approximate order.

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{ 3 comments… read them below or add one }

1 Nicholas Tart

Hey Adam! I appreciate the follow-up. I’ve been trying to figure this out for months. It works beautifully.

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2 Adam Baird

No problem man!

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3 Abel

Adam, pardon for the unrelated question. How do I include the same social bookmarking that you use here which is located right after the Header?

BTW, thanks for all the useful tips here. Nice job.

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