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Asked: 2012-12-14 21:21:47 +0800 CST

Do we need to explicitly pass php.ini's location to php-fpm?

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I am seeing a strange issue where my php.ini is not used if I do not explicitly pass it to php-fpm when starting it.

This is the upstart script I am using:

start on (filesystem and net-device-up IFACE=lo)
stop on runlevel [016]

pre-start script
    mkdir -p /run/php
end script


expect fork
respawn
exec /usr/local/php/sbin/php-fpm --fpm-config /etc/php/php-fpm.conf

If PHP is started with the above, my php.ini is never used, even though it is in Configuration File (php.ini) Path.

This is the relevant part from phpinfo():

Configuration File (php.ini) Path           /etc/php/
Loaded Configuration File                   (none)
Scan this dir for additional .ini files     (none)
Additional .ini files parsed                (none)

If I modify the last line of the upstart script to point php-fpm to php.ini explicitly:

exec /usr/local/php/sbin/php-fpm --fpm-config /etc/php/php-fpm.conf -c /etc/php/php.ini

Then we see that the php.ini is loaded:

Configuration File (php.ini) Path           /etc/php/
Loaded Configuration File                   /etc/php/php.ini
Scan this dir for additional .ini files     (none)
Additional .ini files parsed                (none)

Why is this the case? Is this a quirk in php-fpm?

Minor update: This also seems to be a problem for php5-fpm installed using apt-get.

I did a test install in a Ubuntu Server 12.04 virtual machine by running the following:

sudo apt-get install nginx php5-fpm

PHP-FPM and nginx were started after installation and everything seemed fine. I then uncommented php's settings in nginx's configuration and placed a test phpinfo() file to inspect PHP's settings.

The relevant bits are:

Configuration File (php.ini) Path           /etc/php5/fpm
Loaded Configuration File                   (none)
Scan this dir for additional .ini files     /etc/php5/fpm/conf.d
Additional .ini files parsed                /etc/php5/fpm/conf.d/10-pdo.ini

I noted that no php.ini was loaded either. However, if I go to /etc/php5/fpm, I can see that a php.ini exists. I also checked the start up scripts for PHP-FPM and the -c parameter was not used to link the ini file to PHP. This can potentially be confusing for people who would expect php.ini to be loaded automatically by PHP-FPM.

php-fpm

1 Answers

  1. Best Answer

    No, we do not explicitly need to pass the php.ini file to php-fpm when starting it.

    Let's first deal with the php5-fpm installed using apt-get. Once I restarted the server, the php.ini was loaded. It was strange but it worked.

    Back to my question.

    Notice that I compiled PHP with --with-config-file-path=/etc/php/. The problem is caused by adding a trailing slash to the folder when using --with-config-file-path.

    In my case, I ran make clean to clean out the old compiled binaries. Then I ran configure with --with-config-file-path=/etc/php (notice that there is no trailing slash for the folder). Then make and make install.

    Once this is done, you will find that the php.ini in /etc/php is automatically loaded, regardless of whether we pass it to php-fpm using the -c switch or not.

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