Environment variables and PHP

Question

I have an ubuntu server with a handful of custom environment variables set in /etc/environment as per the ubuntu community recommendation

When I use php from the command line I can use php's getenv() function to access this variables.

Also, if I run phpinfo() from the command line I see all of my variables in the ENVIRONMENT section.

However, when trying to access the same data inside processes being run by php5-fpm this data is not available. All I can see in the ENVIRONMENT section of phpinfo() is:

USER    www-data
HOME    /var/www

I know the command line uses this ini:

/etc/php5/cli/php.ini

And fpm uses:

/etc/php5/fpm/php.ini

I've not managed to find any differences between the two that would explain why the ENV variables are not coming through in both.

Also if run:

sudo su www-data

and then echo the environment variables I am expecting they are indeed available to the www-data user.

What do I need to do to get my environment variables into the php processes run by fpm?

Answer 1

It turns out that you have to explicitly set the ENV vars in the php-fpm.conf

Here's an example:

[global]
pid = /var/run/php5-fpm.pid
error_log = /var/log/php5-fpm.log

[www]
user = www-data
group = www-data
listen = /var/run/php5-fpm.sock
pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3
chdir = /
env[MY_ENV_VAR_1] = 'value1'
env[MY_ENV_VAR_2] = 'value2'

Answer 2

1. Setting environment variables automatically in php-fpm.conf

clear_env = no

2. Setting environment variables manually in php-fpm.conf

env[MY_ENV_VAR_1] = 'value1'
env[MY_ENV_VAR_2] = 'value2'

! Both methods are described in php-fpm.conf:

Clear environment in FPM workers Prevents arbitrary environment variables from reaching FPM worker processes by clearing the environment in workers before env vars specified in this pool configuration are added. Setting to "no" will make all environment variables available to PHP code via getenv(), $_ENV and $_SERVER. Default Value: yes

clear_env = no

Pass environment variables like LD_LIBRARY_PATH. All $VARIABLEs are taken from the current environment. Default Value: clean env

env[HOSTNAME] = $HOSTNAME
env[PATH] = /usr/local/bin:/usr/bin:/bin
env[TMP] = /tmp
env[TMPDIR] = /tmp
env[TEMP] = /tmp

I found solution in this github discussion .

Answer 3

The problem is when you run the php-fpm. The process not load the environment.
You can load it in the startup script.
My php-fpm is install by apt-get.
So modify the

/etc/init.d/php5-fpm

and add (beware the space between the dot and the slash)

. /etc/profile

and modify the /etc/profile to add

. /home/user/env.sh

In the env.sh. You can export the environment whatever you need.

Then modify

php-fpm.conf

add env[MY_ENV_VAR_1] = 'value1' under the [www] section.
Last. restart the php-fpm. You'll get the environment load by the fpm.