Get an arg from a path and turn that into NID args for views

Views CONTAINS args

<?php
//remember to remove the php beginning and end before pasting in views args

// get the third word from url (search/site/searchterm)
$searchterm = arg(2);

// new awesome node query system
$query = new EntityFieldQuery();
$entities = $query->entityCondition('entity_type', 'node')
                           ->propertyCondition('title', $searchterm, 'CONTAINS')
                           ->execute();
// load our nodes from the query
if ($entities) {
  $nodes = entity_load('node', array_keys($entities['node']));

  // array out our nids
  foreach($nodes as $node){
        $nids[]=$node->nid;
  }
}

// return null instead of "all" in this particular case if there is no search
if ($nids) { 
  return implode('+',$nids); 
} else{ return ''; }
?>