What is the reason why linux php fopen fails?

linux php fopen failed because the permissions were set. The solution is to execute the command "setenforce 0" to temporarily close "selinux".

The operating environment of this article: centOS6.8 system, PHP7.1 version, DELL G3 computer

linux php fopen failed because What?

The problem of fopen fwrite failing to read and write php files under centos

When debugging the WeChat interface, I found that writing php files kept failing, and writing to access_token.php kept failing. I checked. The permissions are all set. I initially suspected that selinux was blocking it.

so executed the command setenforce 0 to temporarily close selinux and sure enough, the write was successful

Finally passed the command

sudo setsebool -P httpd_unified on

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