1.url

http://blog.csdn.net/cnweike/article/category/2250521

https://www.elastic.co/guide/en/elasticsearch/client/php-api/current/index.html

https://es.xiaoleilu.com/060_Distributed_Search/05_Query_phase.html

https://github.com/elastic/elasticsearch-php //php client

http://blog.csdn.net/rongyongfeikai2/article/details/37911871

http://keenwon.com/1404.html

http://blog.csdn.net/jam00/article/details/52983056

http://www.w2bc.com/Article/11570