title: WordPress - WP Super Cache Unable to write on wp-config
body: <p>After changing all the WordPress permissions to 777 and assigning them to group of apache:apache still Wp Super Cache plugin can't change the wp-config.php</p>
  
  <p>I don't know why!</p>
  
  <p>My server is : </p>
  
  <p>CentOS 7</p>
  
  <p>PHP 71</p>
  
  <p>Apache</p>
  
  <p>MariaDB</p>
  
  <p>Apache Error Log:</p>
  
  <pre><code>[Thu Nov 02 02:01:45.637165 2017] [php7:warn] [pid 17633] [client 5.202.27.148:25292] PHP Warning:  include(): Failed opening '/var/www/html/wp-content/plugins/wp-super-cachewp-cache-base.php' for inclusion (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/html/wp-content/plugins/wp-super-cache/wp-cache.php on line 72, referer: http://website.com/wp-admin/post.php?post=10821&amp;action=edit
  </code></pre>
  
  <p>Wordpress Error:</p>
  
  <pre><code>Warning! You must set WP_CACHE and WPCACHEHOME in your wp-config.php for this plugin to work correctly: define( 'WP_CACHE', true ); 
  define( 'WPCACHEHOME', '/var/www/html/wp-content/plugins/wp-super-cache' );
  </code></pre>