Gravity Forms - Dynamic Checkboxes

functions.php

<?php
/*-----------------------------------------------------------------------------------*/
/* Putting Locations in Checkboxes */
/* Helpful article - https://www.gravityhelp.com/documentation/article/dynamically-populating-drop-down-fields/  */
/*-----------------------------------------------------------------------------------*/
$location_form_id = 9;
add_filter( 'gform_pre_render_'.$location_form_id, 'populate_posts' );
add_filter( 'gform_pre_validation_'.$location_form_id, 'populate_posts' );
add_filter( 'gform_pre_submission_'.$location_form_id, 'populate_posts' );
add_filter( 'gform_pre_submission_filter_'.$location_form_id, 'populate_posts' );
add_filter( 'gform_admin_pre_render_'.$location_form_id, 'populate_posts' );

function populate_posts( $form ) {
  foreach ( $form['fields'] as &$field ) {
    if ( $field->label == 'Location') {
      $fieldid = $field->id;
      $terms = get_terms('post_tag',array('hide_empty'=>0));
      /* Other qualifiers on https://developer.wordpress.org/reference/functions/get_terms/ */
      $choices = array(); 
      $inputs = array();
      $idincrease = 1;
      foreach ( $terms as $post ) {
        if ( $idincrease % 10 == 0 ) {
          $idincrease++;
        }
        $choices[] = array( 'text' => $post->name, 'value' => $post->name);
        $inputs[] = array( 'label' => $post->name, 'id' => "{$fieldid}.{$idincrease}" );
        $idincrease++; 
      }
      $field->choices = $choices;
      $field->inputs = $inputs;
    }
  }
  return $form;
}
?>

Sorry...dont see this. Works :)