Advanced custom fields on save function trigger

Advanced custom fields on save function trigger, in this tutorial I am going to share a PHP programme to automatic trigger when a advance custom field save or update from back-end. Recently I have to implement something like in a project, when a mentor create a session for students it will send whats app message to all students have the selected category. To save time I used advance custom field free version. you can see the screen shot given below …

Advance custom field on save Field group Screenshot

Advanced custom fields on save field group

Advanced custom fields on save function trigger WordPress Code

// on save / update trigger
function save_updated_acf_fields($post_id)
{

//var_dump($fieldD);
add_action('save_post', 'something_process',11,11);
function something_process()
{

$session_name=get_the_title();
$catId = get_field('field_668b804f201f2', $post_id);
$email = get_field('field_65d975036d82f', $post_id);
$mentor_name = get_field('field_65d975b86d831', $post_id);
$on_date = get_field('field_65642827439ed', $post_id);
$sendMsg = get_field('field_66978ee20ee08', $post_id);
$fieldD=array(
'session_name'=> $session_name,
'cat_id'=> $catId,
'on_date'=> $on_date,
'mentor_name'=> $mentor_name,
'email'=> $email,
'sendMsg'=>$sendMsg
);
print_r($fieldD);
$tmp = fopen(dirname(__file__).'/my_logs.txt', "a+"); fwrite($tmp,"\r\n\r\n".ob_get_contents());
fclose($tmp);
}
}
add_action('acf/save_post', 'save_updated_acf_fields');

You can use the code above in wordpress functions.php , also my_logs.txt we can use for debugging purpose. You can also read our tutorial on advance custom filed Advanced custom field how to populate select field.

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