3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a=array( "Nike"=>"sports, clothing", "Ford"=>"cars, outdoors", "Patagonia"=>"clothing, outdoors" ); $search = 'clothing'; echo array_search("clothing",$a); // should output Nike and Patagonia $filter = array_filter($a, function($item) use ($search){ return in_array($search, explode(', ', $item)); }); print_r($filter);
based on 8vUJt
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
Array ( [Nike] => sports, clothing [Patagonia] => clothing, outdoors )