[PHP] Output Compression stops working after a while

I enabled output comression in php.ini with zlib.output_compression = On zlib.output_compression_level = -1 also, I loaded the gzip module in httpd.conf with LoadModule gzip_module modules/mod_gzip-1.3.19.1a.so Now, when I restart Apache, I get compressed output. But after an hour or so Apache

[PHP] Error on session_start()

When I try to start a session or authenticate with HTTP headers, I get the following error: Warning: Cannot send session cache limiter - headers already sent (output started at /usr/local/etc/httpd/vhosts/gar/english/login/login_2.php:1) in /usr/local/etc/httpd/vhosts/gar/english/login/login_2.ph

[PHP] Forms lose data when going "back" in browser

I have a submission form distributed over 5 pages. When the user hits the "back" button in the browser on one of the pages to make changes on a previous page, all fields are emptied. This is only when I have a session running. When I use the same pages without the session, the data stays in the fo

[PHP] Forms lose data when going "back" in browser

I have a submission form distributed over 5 pages. When the user hits the "back" button in the browser on one of the pages to make changes on a previous page, all fields are emptied. This is only when I have a session running. When I use the same pages without the session, the data stays in the fo