Urgent: PHP Open Session.auto_start = 1, the session file is all empty

RT is php session on auto_start , but the view session file is all empty. As shown in.
Also found that session the owner of the file and the group are myself, such as, user but the program generated file owner and the user group areapache
The other permissions are -rw------- . I suspect that the data cannot be $_SESSION updated to a file because of permissions session .
What is the reason and the solution, please. Thank you.

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RT is php session on auto_start , but the view session file is all empty. As shown in.
Also found that session the owner of the file and the group are myself, such as, user but the program generated file owner and the user group areapache
The other permissions are -rw------- . I suspect that the data cannot be $_SESSION updated to a file because of permissions session .
What is the reason and the solution, please. Thank you.

Modify the permissions for the entire directory to 777

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