[wp-hackers] wp_add_post_tags Return Value

Alan Castonguay alan at verselogic.net
Sun May 3 13:22:55 GMT 2009

wp_add_post_tags() returns false for invalid post_id, and null for  
success, because that's what wp_set_post_terms() does.

This calls wp_set_object_terms() which returns either WP_Error or a  
term_info array (termid, termtaxonomyid) on error, or an array of  
other ids on success? I'm afraid I don't quite understand this function.

Alan J Castonguay

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On May 3, 2009, at 9:08 AM, Thomas Belknap wrote:

> Can anyone tell me why wp_add_post_tags() only returns either null or
> false?  Seems like it would be helpful for the function to return  
> true if it
> worked.  It's very hard to test around it when the function  
> consistently
> returns negative values. . .
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