PHP extension installed but not loading

Question

I'm trying to install php's ssh2 extension, and having a little bit of difficulty. The file is there, it's just not loading into php.

First, I've installed ssh2 with:

 aptitude install libssh2-1-dev libssh2-php

(For what it's worth, I'm running Ubuntu 12.04 on Nginx.)

I can see that ssh2 is loaded using the modules command:

php -m |grep ssh2
ssh2

However, when I run my code, I get an undefined function error.

In my phpinfo() script, I can see that my php installation scans this directory for additional ini files: /etc/php5/fpm/conf.d. Listing the contents of that directory, I can see that my ssh2.ini is there:

ls /etc/php5/fpm/conf.d
mysqli.ini  mysql.ini  pdo.ini  pdo_mysql.ini  ssh2.ini

According to phpinfo again, the other four ini files are loaded. SSH2 is not.

I've also tried placing "extension=ssh2.so" directly in my php.ini file - /etc/php5/fpm/php.ini. And yes - I've restarted my nginx server.

Am I missing something else?

Why are you wanting to use libssh2? Could you use an alternative library? — user1469439
– user1469439, Commented Dec 1, 2013 at 5:07
you need to restart php not nginx, sudo service php5-fpm restart — Mohammad AbuShady
– Mohammad AbuShady, Commented Dec 1, 2013 at 9:30

Black · Accepted Answer · 2019-07-30 10:04:28Z

4

Set display_startup_errors = On in you php.ini
Set error_log = '/var/log/php-error.log' in you php.ini
Create error log - touch /var/log/php-error.log

Now, you can restart php5-fpm daemon and lookup in error log any errors with ssh2 module

edited Jul 30, 2019 at 10:04

Black

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answered Jan 4, 2014 at 21:54

Aleksandr Sytar

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2 Comments

Black Over a year ago

How to restart the php daemon?

Brian Leishman Over a year ago

sudo pkill php7.4-fpm; sudo service php7.4-fpm restart seems like a good way to restart the daemon (replace with your version)

user1239087 · Accepted Answer · 2018-12-26 21:58:33Z

0

The answer from Aleksandr was helpful. I was attempting to install a PHP extension for a Plesk build. You need to make the modifications to the Plesk php.ini version that corresponds to the domain (which you can find in the web-based control panel under Tools and Settings). The error log will be located in /var/log/plesk-phpXX-fpm.

Do NOT uncomment the error_log (#2 / #3) as noted above otherwise you won't see the error show up in this location.

answered Dec 26, 2018 at 21:58

user1239087

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