What to do if php cannot get the value of session

Solution to the problem that php cannot get the session value: 1. Add the statement "session_start();" before the "" sign; 2. Modify the content in "php.ini" to "session.auto_start= 1"; 3. Set the session save path.

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

1. Check whether the sentence is 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 the session in php.ini .auto_start = 0 is session.auto_start = 1

3. Have you set the session save path?

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

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