Limit number of classes when using post_class

Adding this snippet to the functions.php of your wordpress theme will let you limit the number of classes displayed when using post_class, Yes this only works if you are using post_class() within your theme enjoy.

Code Snippet:

function wps_category_id_class($classes) {
global $post;
foreach((get_the_category($post->ID)) as $category)
$classes[] = $category->category_nicename;
return array_slice($classes, 0,5); // default set to 5
add_filter('post_class', 'wps_category_id_class');

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