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How to add automatically keyword to taxonomies when a post published, and assign them to the post for example i have in my post edition, a custom meta box, when you complete this input, a function should generate a group of keywords in background , and i want these keywords are automatically adding to a specific custom taxonomy in that post when it published, this is possible? i try with

wp_set_object_terms

and nothing working great, thx

sorry for my worst english

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1 Answer

up vote 3 down vote accepted

You would use the save_post hook, in your hooked function use wp_insert_term as described here:

http://codex.wordpress.org/Function_Reference/wp_insert_term

Then use wp_set_object_terms on the post to assignt he taxonomy term you just created as follows:

http://codex.wordpress.org/Function_Reference/wp_set_object_terms

for example:

function my_save($post_id) {
    wp_insert_term( 'bannanapost', 'fruit');
    wp_set_object_terms( $post_id, 'bannanapost', 'fruit', true )
}
add_action('save_post','my_save');

The above code, placed in functions.php of your theme, would add the term 'bannanapost' to each post when saved, in the fruit taxonomy

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thanks a lot Tom –  zagriyen Sep 10 '10 at 10:46
1  
You don't need to use wp_insert_term, the term is automatically created if it doesn't exist. –  Stephen Harris Mar 13 '12 at 10:28
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