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Example code of demvsystems/exec

Informations about the package exec

exec

exec is a wrapper for the php command, which allows to build CLI commands with the help of chaining.

The Command Class

Everything starts with the Command class, which let's you create any command in the following fashion:

This would create a command, which is running the application echo with the input "Hello World" and executes it right away. For a full reference on what is possible with the Command head over to the associated wiki entry.

Asynchronous Commands

You are also able to execute a command asynchronously, by appending the method to your command. The echo example from before would look like this:

Which returns an object. With this object, you can do:

Of course the above example doesn't make much sense, because we will never get a look at the result. Therefor we can pipe the result into a file.

This will write a file called with the content of our command, as soon as it terminates. For more on asynchronous commands have a look at the wiki page.

Application

Instead of defining every app in a string, inside of the app call, you are also able to use some of the predefined apps, which wrap away some of the repetetive work. For example take the PhpApp. Normally you would build a command like this to get the PHP version:

But with the PhpApp you can get rid of the string param:

There are already some other advanced apps, which wrap away their special syntax, like the XArgsApp. For a full reference on which apps are available and how they work, have a look at the Application wiki entry.

You are also able to write your own app wrappers. Have a look at this on how to do it.

All versions of exec with dependencies

PHP Build Version
Package Version
Requires php Version >=5.5.0
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