Forminator - ACF checkbox compatibility

forminator-acf-chekbox-comaptibility.php

<?php 

/* 
* * 
* makes Forminator's "post data" custom field checkbox
* compatible with ACF checkbox
*
*1. post data custom field label must be same as name of ACF checkbox field
*2. and it has to be mapped to a chekbox form field
*3. $chekboxes array should contain names of ACF chekcbox fields (same as set as labels in postdata custom fields)
*
*
* use as MU plugin
* tested with Forminator 1.17.2 and ACF 5.12.3
*
* by Adam/WPMU DEV
*/


add_action( 'forminator_post_data_field_post_saved', 'forminator_acf_check_compat', 10, 3 );
function forminator_acf_check_compat( $post_id, $field, $data ) {
	
	
	$checkboxes = array( 'check' ); // list of ACF checkbox fields to be made compatible
	
	
	#########
	$cs_data = $data['post-custom'];
	
	if ( !empty( $cs_data ) && is_array( $cs_data ) ) {
		
		
		foreach ($cs_data as $key=>$cs_field) {
			
			
			if ( in_array( $cs_field['key'], $checkboxes ) ) {
				
				$acf_checkbox = explode( ',', $cs_field['value'] ) ;
				foreach ($acf_checkbox as $a=>$b) {
					$acf_checkbox[$a]=trim($b);
				}
			
				update_post_meta( $post_id, $cs_field['key'], $acf_checkbox );
				
				
				
			}			
			
		}
		
	}
	
}