Transform any class in a *nix daemon process or cron job without changes or refactoring.
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PHP Daemonize

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Transform any class in a *nix daemon process or cron job without changes or refactoring.


Some times we need to create a cron tab or a process for running in background. The most of times we need to create a new class, probably in a different framework and have to set or even choose another language for create the job/daemon.

"Daemonize" enables you to can create a linux daemon or a job for use in a cron tab without change you pre-existing class.

"Daemonize" is a script that create a "init.d" script and encapsulate or class enabling you to run it in the bash, for example.

How to

Suppose you have a pre-existing class for read some info from database and run some action with these data. For example:

namespace Some\Name\Space;

class MyExistingClass
	// ...

    public function someExistingMethod()
        // Your code

	// ...

If you want transform this class and method in a linux daemon (or "daemonize" it) you have to first create a bootstrap php file. This file will tell to the script all setup you need to run this class.

The most simple bootstrap.php is:

require_once __DIR__ . "/vendor/autoload.php";

Now, if you want to test it you can run the command:

daemonize run "\\Some\\Name\\Space\\MyExistingClass::someExistingMethod" "relative/path/to/bootstrap.php" "/path/to/root"

If everything is ok, now you can "daemonize" this class (as root):

daemonize install --template=upstart mydaemon "\\Some\\Name\\Space\\MyExistingClass::someExistingMethod" "relative/path/to/bootstrap.php" "/path/to/root"

note: valid templates are: upstart or initd (default)

Now for start or stop the service you need only

sudo service mydaemon start  # or stop, status or restart

For uninstall just type:

daemonize uninstall mydamon

and list all "daemonized" php classes

daemonize services --only-names


Daemonize does not need to be associated to your PHP project. Prefer install as a global package and as root user.

composer global require "byjg/php-daemonize=1.3.*"
sudo ln -s /root/.composer/vendor/bin/daemonize /usr/local/bin/daemonize

If you want to share this installation with another users consider use the command chmod a+x /root. The root directory will remain unreadable for them, but you'll can execute the script "daemonize".

Running a pre-installed demo

Open two terminals.

First do :

touch /etc/tryme.txt
tail -f /etc/tryme.txt

On the second do:

sudo daemonize install --template=upstart tryme "\\ByJG\\Daemon\\Sample\\TryMe::process" "vendor/autoload.php" "./"

sudo service tryme start

If everything is OK, will see on the first terminal a lot of lines added. Do not forget to run sudo service tryme stop