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I've been scratching my head all day with this one. I'm trying to use has_term but it just won't work. I do get this notice but I'm not 100% sure it's related. I've also tried is_object_in_term() but that doesn't seem to do anything in this case.

Notice: Undefined property: stdClass::$object_id in /wp-includes/taxonomy.php on line 3613

if( has_term('past-attendees', 'speakercategory' ) ): 
    echo 'test'; 
endif;

if(is_object_in_term( $post->ID, 'speakercategory', 'past-attendees' ) ):
    echo 'test'; 
endif;

wp_get_object_terms() does return the term so I can't get my head around why the above two examples didn't work. Any ideas would be greatly appreciated.

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  • Do you get this in a vanilla 4.4 install? Where are you testing this?
    – birgire
    Commented Dec 9, 2015 at 18:15
  • 1
    What happens if you pass the $post object into the has_term as the last parameter, do you get the correct result?
    – Howdy_McGee ♦
    Commented Dec 9, 2015 at 22:51
  • @birgire Not really, it's a custom theme, has a handful of plugins installed.
    – Barry Walsh
    Commented Dec 10, 2015 at 9:37
  • @Howdy_McGee Same thing when I pass $post. The variable is defined right before that call.
    – Barry Walsh
    Commented Dec 10, 2015 at 9:38
  • Did you check if $post is not empty? To me looks like $post->ID is null, that's why you are getting the notice message when using is_object_in_term(). Can you share the result for var_export($post); ?
    – Pabamato
    Commented Aug 14, 2018 at 4:40

1 Answer 1

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1

You mention in a previous comment that you are defining $post directly before the conditional statements. Since this is the case you need to pass the $post object to both these functions to get desired results otherwise WordPress will attempt to use the global $post object which isn't what you've defined and thus throwing errors or unexpected results.

Parameter three for has_term( $term, $taxonomy, $post ) says:

$post
(integer|object) (optional) Post to check instead of the current post.
Default: null

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