Analysis of possible causes of PHP not reading cookies

Phenomenon:

The server cannot read the cookie information that was previously written to the client

PHP writes the ID of the session to the cookie of the client, and the request header does not take the cookie information on each request.

Analysis:

may be because domain settings may be problematic,

After viewing the cookie domain information, in addition to the domain name there is also a port information, suspected because the port after the browser is considered to be a security risk, the cookie is intercepted on the client. Not sent to the server side.

Comparisons often occur on websites with port numbers. Set domain name, and the port number and ":" To remove.

Retry: Pass.

The above describes the PHP can not read the possible causes of cookies, including the contents of the content, I hope that the PHP tutorial interested in a friend helpful.

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