


WeChat official account development: The interface test is normal, but the WeChat server prompts abnormal service?
During the development of WeChat official account, developers often encounter this situation: the interface test is normal, but the WeChat server continues to report an error, prompting "service exception". This article will analyze the cause of the problem through a practical case and provide solutions.
In the case, when the developer conducted a test of the WeChat official account interface, the results showed normal. However, the WeChat server continued to alert, prompting "The response after the WeChat server pushed a message or event, was illegal", and there were 51 errors in 5 minutes. The error message contains OpenID, OuterIP and the return content of the exception, such as the garbled "ri ni daye1" and an XML structure, but<content></content>
The label is empty. The developer tried to adjust the order of ToUserName
and FromUserName
, but the problem still exists.
The root cause of the problem lies in the PHP method of the developer using echo
output in handling messages pushed by WeChat server. The WeChat server needs to receive a legal XML format response, and the content output by echo
will interfere with normal XML return, causing the server to determine that the response is illegal.
Solution: Replace the echo
statement in the method with the return
statement. Use return
to return XML data to avoid interference caused by echo
, ensure that the WeChat server receives a complete legal XML response, thereby solving the service abnormality problem.
The above is the detailed content of The WeChat official account interface test passed, why does the WeChat server still prompt that the service is abnormal?. For more information, please follow other related articles on the PHP Chinese website!

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支持微信付款的购物平台有:1、京东,是中国的综合网络零售商;2、唯品会,是一家在线销售品牌折扣商品的互联网公司;3、拼多多,是社交新电商领导者,更懂消费者的购物平台;4、京喜,是京东旗下生活消费商城;5、蘑菇街,一个电子商务网站;6、聚美优品,是一家以销售化妆品为主的时尚购物网站;7、微店,是一个云推广电子商务平台;8、考拉海购,是一个跨境海淘业务为主的会员电商平台。

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