What should I do if php returns no session?

Solution for php not returning session: 1. Place session_start before the mark; 2. Modify the content in php.ini to "session.auto_start =1"; 3. Set session save path.

#The operating environment of this article: Windows 7 system, PHP version 7.4, Dell G3 computer.

What should I do if php returns no session?

A solution to the problem that php cannot obtain the session value:

1. Confirm< ?php session_start();?>Is this sentence before the mark? If not, please put it before the mark.

2. If after the above operation, "Warning: session_start() [function.session-start" message appears

Solution:

Modify # in php.ini ##session.auto_start = 0 is session.auto_start = 1

3. Have you set the session saving path?

You need to modify the session in php.ini .save_path = "C:/TMP" , if the TMP folder does not exist, create it.

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