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I have a custom post type called recipes.In this I have lots of recipes as posts.All these recipes are assigned to several categories.

Problem : Now Consider a post which is assigned to multiple categories. On single.php of that post, if i try to retrieve the category of post then I am getting the category which is alphabetically first every time.

I have tried retrieving category from url but it is possible only if I go to recipe template THROUGH the category template...

How to tackle this if we have a post assigned to multiple categories...Please help

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If a post has multiple categories there is no "correct" category. Any of them are correct, it's a many-to-one relationship.

Since a post can belong to multiple categories it's a mistake for any function to assume a single category. Expect an array.

If you're looking to apply conditions based on one or more categories you could try if(has_category($category)) (if you're not in the Loop you'll need to pass the post object as the second parameter).

Edit from comment:

if(has_category('fitness')) { 
    // Example custom field 
    echo get_post_meta($post->ID, 'fibre', true);
} 
if has_category('children') {
    // Example custom field  
    echo get_post_meta($post->ID, 'protein', true);
}
  • Actually i have to apply conditions based on category name...if a post belongs to category 'A' then i will print something on single.php of THAT post...else if it belongs to category 'B' then i will print something else on single.php of THAT post...and so on...Is this possible for a post with multiple categories? If i cant retrieve that category then i cant apply conditions based on it. – Kola Jul 18 '17 at 11:11
  • I've updated my answer. – Chris Cox Jul 18 '17 at 11:15
  • ok so has_category doesn't really serve my purpose as it will tell me if a post has that category or not....I cant use that much information to apply category specific conditions....Your initial answer pretty much explained the whole scenario...thanks a lot – Kola Jul 18 '17 at 12:19
  • You can easily use that - if( has_category( $cat ) ) { /* $cat-specific stuff here */ }` – Chris Cox Jul 18 '17 at 12:27
  • I am sorry...I am not getting the logic....If a post is in category A and category B, then... if (has_category('category A')) { category specific code for 'A' }... else if (has_category('category 'B')) { category specific code for 'B' }... this is fine but I cant really avoid clash of two categories....Because both conditions ARE NOT mutually exclusive..they both are true at the same time.. – Kola Jul 18 '17 at 12:48

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