How to solve the problem of unwritable php files

The solution to the unwritable php file: first find and open the "config" file; then set the "SELINUX=""" content in the file to "disabled"; finally execute the command "setenforce 0".

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php access file, not writable

In the php code:

<?php
if(is_writeable($file_name))
{
    //....
}
?>

The permission of file_name here has been set to 777. But it is still not writable. According to the information, the problem is SELinux configuration problem. After turning off SELinux, the problem is solved.

The method to shut down SELinux is:

Modify SELINUX="" in the /etc/selinux/config file to disabled

Execute the command: setenforce 0

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