Reply To: Dynamically Populate Field + CPTonomy

• Dorn Studio

• June 16, 2016 at 2:57 am

Found out, literally a minute after posting this. Turns out it was a matter of getting the meta_value first, then setting the field via $my_cpt_field[‘default_value’]

Here’s the code

//Populate the Select field, 'My Post Type' (field_1234) with dynamic values
add_filter('acf/load_field/key=field_1234', function($my_cpt_field) {
	
	global $post_id;
	$post_id = $_GET['exp_id'];	
	$cptonomy_post_meta = get_post_meta($post_id,'_custom_post_type_onomies_relationship',false);
	
	$cptonomy_val1 = $cptonomy_post_meta[0];
	$cptonomy_val2 = $cptonomy_post_meta[1];
	
	// Cptonomy Loop
	
	$cptonomy_arr = get_posts( array(
		'numberposts'		=> -1,
		'post_type'		=> 'my_post_type',
		'my-taxo'		=> 'taxo-1',
		'suppress_filters'	=> false,
		'orderby'		=> 'title',
		'order'			=> 'ASC',
	) );
	
	//These can be dynamically generated using any PHP code
	if( $cptonomy_arr ) {
		foreach ( $cptonomy_arr as $cptonomy_item ) {
			$my_cpt_field['choices'][$cptonomy_item->ID] = get_the_title($cptonomy_item->ID); // This populates the select field options fine
			// How do I set the 'selected' value'?
			$my_cpt_field['default_value'] = $cptonomy_val2; // this way
	}
	
	return $my_cpt_field;
});