Change LifterLMS registration field column class (llms-cols-6, etc)

llms-change-cols-number.php

<?php  // Do not copy this line.

// Copy from under this line and paste into your child theme's functions.php.

add_filter( 'lifterlms_get_person_fields', 'llms_change_form_cols', 10, 1 );

function llms_change_form_cols( $fields ) {
	
	foreach ( $fields as $field ) {
		if ( $field['id'] === 'llms_billing_city' ){
			$field['columns'] = 9;
		}
	}
	
	return $fields;
}