PHP删除Solr文档

 <?php
 $options = array
 (
     'hostname' => 'localhost',
     'port'     => '8080',
     'path'=>'solr/help_category',
     'wt'=>'json'
 );
 $client = new SolrClient($options); 

 $entryId=501000;
 $client->deleteById($entryId);
 //$client->deleteByQuery('id:'.$entryId);
 $return=$client->commit();
 var_dump($return);
 ?>