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when the category comes from a form, how I can use in wp_insert_post?

$my_post = array(); 
$my_post['post_author'] = $userid; 
$my_post['post_title'] = $name; 
$my_post['post_name'] = str_replace(' ', '-', $name); 
$my_post['post_category'] = $selected = $_POST['postcats']; 
$newpost_id= wp_insert_post( $my_post );

is it correct? what is it wrong? thanks a lot

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1 Answer 1

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You need to create the category first, then add it to the post:

$my_post = array(); 
$my_post['post_author'] = $userid; 
$my_post['post_title'] = $name; 
$my_post['post_name'] = str_replace(' ', '-', $name);
$cat_id = wp_create_category($_POST['postcats'], 0); // we create the category and we get the ID, the 0 is for no parent category
$my_post['post_category'] = array($cat_id);//this value is an array not a single value 
$newpost_id= wp_insert_post( $my_post );

you can also just create the post and add the category later with wp_set_post_categories

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  • It doens't work This is the rror: Fatal error: Call to undefined function wp_create_category() in ... inc/custom-abc.php on line 31
    – Rosanna La Malfa
    Commented Feb 11, 2017 at 19:03
  • The line is this: $cat_id = wp_create_category($_POST['postcats']); // we create the category and we get the ID, the 0 is for no parent category I gave the list of category (this is a custom type)
    – Rosanna La Malfa
    Commented Feb 11, 2017 at 19:08
  • this is my function:
    – Rosanna La Malfa
    Commented Feb 11, 2017 at 19:32
  • function create_post_from_user($email, $name, $address, $city, $country, $phone, $subcategory, $userid, $mobile) { global $post,$wpdb,$tag; $directory_url_1=get_option('_iv_directory_url_1'); if($directory_url_1==""){$directory_url_1='azienda';} $directory_url_2=get_option('_iv_directory_url_2'); if($directory_url_2==""){$directory_url_2='professionisti';}
    – Rosanna La Malfa
    Commented Feb 11, 2017 at 19:33
  • $query = "SELECT tt.term_id, taxonomy, parent FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE t.slug='" . $subcategory . "' AND taxonomy in ('" .$directory_url_2.'-category' ."','".$directory_url_1.'-category'."')"; $taxonomy_term = $wpdb->get_results($query, OBJECT); $parentCategoryId=$taxonomy_term[0]->parent; $my_post = array(); $my_post['post_author'] = $userid; $my_post['post_title'] = $name; $my_post['post_name'] = str_replace(' ', '-', $name); $newpost_id= wp_insert_post( $my_post );
    – Rosanna La Malfa
    Commented Feb 11, 2017 at 19:33

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