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HomeBackend DevelopmentPHP TutorialHow to use command line with Phalcana framework?

How to use command line with Phalcana framework?

Jun 02, 2023 pm 11:51 PM
useCommand Linephalcana frame

Phalcon is a great PHP framework. Its core features include high performance, low memory footprint, easy expansion and security. Although the Phalcon framework is already easy to use, there are certain situations where we need to use the command line to better manage and execute the application. In this article, we will discuss how to use the command line with Phalcon.

Phalcon has built-in many extensions provided by CLI commands, such as database migration, task scheduling, etc. You can use these extensions to quickly build very good CLI applications.

First, let’s understand what a basic CLI application looks like. A CLI application is an application that runs on the command line and receives input parameters usually through command line parameters or options. In Phalcon, you can quickly build CLI applications by using the PhalconCLIConsole class. Let's take a look at the following example:

use PhalconCLIConsole;

$console = new Console();
$console->handle($arguments);

In the above code snippet, we created a Console instance and called the handle() method to handle it Parameters passed to the application. This example doesn't do much, but by using the handle() method, we can receive the parameters passed to the application and perform different operations based on those parameters.

Now, let's take a look at how to create a CLI application that can receive parameters and options. Here is a simple task scheduling application that we will create:

use PhalconCLIConsole;
use PhalconCLITask;
use PhalconCLIDispatcherException as DispatcherException;

class ScheduleTask extends Task
{
    protected function mainAction(array $params)
    {
        // 在这里编写任务执行的代码
        // ...
    }

    protected function addAction(array $params)
    {
        // 在这里编写添加任务的代码
        // ...
    }

    protected function removeAction(array $params)
    {
        // 在这里编写删除任务的代码
        // ...
    }
}

$console = new Console();
$console->registerTasks([
    'schedule' => ScheduleTask::class
]);

try {
    $console->handle($GLOBALS['argv']);
} catch (DispatcherException $e) {
    echo $e->getMessage();
    exit(1);
}

Here, we have created a task scheduling CLI application. We created a subclass of Phalcon's Task class and wrote our task logic in the subclass. We also wrote corresponding actions for each task (i.e. add task to scheduler, remove task from scheduler).

Then we register the ScheduleTask we created and pass the added tasks into the registerTasks() method for use by the application. When the handle() method is called, Phalcon will decide which action of which task to perform based on the parameters passed to the application.

Through this simple example, we can see that building a Phalcon CLI application is very simple. We only need to define tasks and actions, and call the corresponding tasks and actions based on the parameters passed to the application. Just take action. So, if you are looking for a simple and efficient way to build command line-based applications, the Phalcon framework is an option worth trying.

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