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Create post + user (linked to eachother)

  • Good evening,

    I work a lot with ACF but this issue is new to me. The situation is as follows: I am letting my visitors create a post wich is storen inside a custom post type (my-cpt). For this I am using acf_form() function:

    while (have_posts()) {
    	$user_id = get_current_user_id();
    		'post_id'       => 'new_post',
    		'new_post'	=> array(
    			'post_type' => 'my-cpt',
    			'post_status' => 'publish'
    			'post_author' => $user_id,
    		'submit_value'  => 'Create new post'

    and in my functions.php:

    function create_user_via_acf( $post_id ) {
    	$username = get_field('username', $post_id);
    	$password = get_field('password', $post_id);
    	wp_create_user($username, $password);
    add_action('acf/save_post', 'create_user_via_acf', 20);

    The post is created and also the user but they are not connected. I have been puzzeling with different solutions but none of them had any luck. Does anybody have any ideas on this and how I can automaticly create a post and user simultaniously while keeping them ‘connected’?

  • Oke, I am little bit further. I managed to create a post and a user but I am not yet there.

    This is what I use in my template:

    while (have_posts()) {
            'post_id'       => 'new_post',
            'submit_value'  => 'Register user',
            'uploader' => 'basic',
            'updated_message' => 'Well done! You made an account and a post.',
            'html_updated_message'  => '<div style="background: rgba(31,205,80,.2); padding: 10px 20px; border-radius: 4px;" class="updated"><p>%s</p></div>',
            'new_post' => array(
                'post_type'     => 'my-cpt',
                'post_status'   => 'publish'

    This is what I have now in my functions.php:

    function create_user_via_acf($post_id) {
    	$username = get_field('username',$post_id);
    	$password = get_field('password',$post_id);
    	$email = get_field('email',$post_id);
    	$categories = get_field('categories',$post_id);
    	// creating the user
    	$userdata = array (
    		'user_login'    => $username .'-'. generate_random_user_number(),
    		'user_email'    => $email,
    		'user_pass'     => $password,
    		'post_category' => $categories
    	$user_id = wp_insert_user($userdata);
    	// overwriting the post I created with acf_form()
    	$arg = array(
    		'ID' => $post_id,
    		'post_author' => $user_id,
    		'post_title' => $username .'-'. generate_random_user_number(),
    		'post_content'  => 'content overwritten',
    	return $post_id;
    	//wp_delete_post($post_id); //this does not delete the second post
    add_action('acf/save_post', 'create_user_via_acf', 20);

    In the function above, I try to delete the extra post, wich does not work. I do not know why. Further more, I also see there are 2 posts being created, this should be one. Also the title of the post should be the same as the user I am trying to create.

    I created a function wich returns a random integer of 3 numers (generate_random_user_number()) wich I append to the username and post. But it creates one user with e.g. username-123 and 2 posts with post-456 and post-789. Just an example to point out the digits aren’t the same. For different reasons I use the a number wich is called upon 3 times since it generates 3 different numbers.

    It should be post-123 and username-123. Username-123 should automaticly the post_author of post-123. But I just can’t get my head around this.

    I also used add_filter(‘acf/pre_save_post’) but that did not work either.

    Does anybody have any thoughts on this? A lot of thanks in advance.

  • Topic can be closed. I used another approach.

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