Forminator 1.18.2 - show number of remaining submissions for limited "select" fields

forminator-remaining-select-submissions-show.php

<?php
#################################
#
# Show number of submissions remaining for SELECT type fields
#
# use as MU plugin
#
# tested with Forminator 1.18.2 only
#
#################################

add_filter( 'forminator_cform_render_fields', function( $wrappers, $model_id ) {
	$GLOBALS['form_id'] = $model_id;
	function wpmu_forminator_select_limit_display( $html, $id, $required, $options ) {
		global $form_id;
		
		$list_form_ids = array(1177); // set form ID(s) here
		$select_ids = array( 'select-1' ); // set select field(s) IDs here
		
		
		if( in_array( $form_id, $list_form_ids ) )
		{
			
					
			$tostrip = 'forminator-form-' . $form_id . '__field--';
			$field_name_arr = explode( '_', str_replace( $tostrip, '', $id ) );
			$field_name = $field_name_arr[0];
		
					
			if ( in_array( $field_name, $select_ids ) ) {
				foreach ( $options as $option ) {
					$option_value = "%";
					$option_label = isset( $option[ 'label' ] ) ? $option[ 'label' ] : false;
					if ( ! $option_value ) {
						continue;
					}
					$entries = Forminator_Form_Entry_Model::select_count_entries_by_meta_field(
						$form_id,
						$field_name,
						$option_value,
						$option_label
					);			
					$remaining = (int) $option[ 'limit' ] - $entries;
					if ( 0 >= $remaining ) {
						continue;
					}
					
					
					// adjust message text in two lines below
					$html .= "<p>" . $option['label']. " submission limit: " . $option['limit'];
					$html .= " Still another {$remaining} to go, so hurry up!";
				}
			}
		}
		return $html;
	}
	add_filter ( 'forminator_field_single_markup', 'wpmu_forminator_select_limit_display', 10, 4 );
	return $wrappers;
}, 10, 2);