Gravity Forms - Limit checkbox choices after chosen

functions.php

<?
// Change 'XXX' to your form id
$location_form_id = XXX;
add_filter( 'gform_pre_render_'.$location_form_id, 'limit_choices' );
add_filter( 'gform_pre_validation_'.$location_form_id, 'limit_choices' );
add_filter( 'gform_pre_submission_'.$location_form_id, 'limit_choices' );
add_filter( 'gform_pre_submission_filter_'.$location_form_id, 'limit_choices' );
add_filter( 'gform_admin_pre_render_'.$location_form_id, 'limit_choices' );

function limit_choices( $form ) { 
	global $wpdb;
	$tablename = $wpdb->prefix . 'rg_lead_detail';
	$jquerylimits = array();
  foreach ( $form['fields'] as &$field ) {
    if ( $field->id == xxx) {
		foreach ($field->inputs as $eachchoice){
			$sqlquery = "SELECT id FROM $tablename WHERE form_id=".$form['id']." AND FORMAT (field_number,3) = FORMAT(".$eachchoice['id'].",3) ORDER BY lead_id";
			$values = $wpdb->get_var($sqlquery);
			if (!empty($values)){
				$jquerylimits[]='$(\'input[name="input_'.$eachchoice['id'].'"]\').attr("disabled","disabled");';
			}
		}
		print_r('<script>jQuery(document).ready(function($){');
		foreach ($jquerylimits as $eachlimit){
			print_r($eachlimit);
		}
		print_r('});</script>');
		
	}
  }
  return $form;
}