some Notice error about productsearch.php

[langziyang]

first:open prestashop debug mode; the vist https://rest.binshops.com/rest/productSearch?s=mug&resultsPerPage=10

productsearch.php line 68 to 73

change

if ($variables['facets']) {
            $facets = array();
            foreach ($variables['facets']['filters']->getFacets() as $facet) {
                array_push($facets, $facet->toArray());
            }
        }

to

$facets = array();
        if ($variables['facets']) {            
            foreach ($variables['facets']['filters']->getFacets() as $facet) {
                array_push($facets, $facet->toArray());
            }
        }

line 82 change

$variables['facets']['activeFilters']

to

isset($variables['facets']['activeFilters'])?$variables['facets']['activeFilters']:[]

[samberrry]

@langziyang many thanks for your contribution.