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File: README.md
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Class: Generic Executor Service in PHP
Execute multiple functions in parallel
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Generic Executor Service in PHP

A Generic Executor Service in PHP for asynchronous calls. This repository demonstrates a basic implementation of a Generic Executor Service in PHP 8 using the `pcntl` extension to handle concurrency. It mimics the behavior of Java's ExecutorService by managing a pool of "workers" (processes) that execute tasks asynchronously.

generic-executor-service-php a language port from Java to PHP from the repository which I created a while ago called generic-executor-service-java (https://github.com/niteshapte/generic-executor-service-java)

Features

  • Task Submission: Submit tasks (callables) to be executed asynchronously by the worker pool.
  • Worker Pool Management: Limit the number of concurrent workers (processes) executing tasks.
  • Graceful Shutdown: Waits for all tasks to complete before shutting down.

Requirements

  • PHP 8.0+
  • 
    

Installation

Clone the repository:

git clone https://github.com/your-username/generic-executor-service-php.git
cd generic-executor-service-php

Ensure you have `pcntl` enabled in your PHP environment.

Run the script using the PHP CLI:

php executor.php

Handling Concurrency with `pcntl`

The `GenericExecutorService` relies on the `pcntl_fork()` function to create separate processes for each task. This provides concurrency in environments where PHP doesn't natively support multi-threading. However, `pcntl` is only available in CLI and POSIX-compliant environments (Linux/macOS).

Compatibility



## Customization
You can modify the following aspects of the service:
- Max Workers: Control the maximum number of concurrent workers by passing an integer to the GenericExecutorService constructor.
- Task Length: Simulate longer or shorter tasks by adjusting the sleep duration inside the tasks.


## Contribution
Contributions are welcome! If you'd like to improve this project, feel free to fork the repository and submit a pull request.


### Steps to Contribute:
1. Fork this repository by clicking the Fork button at the top right.
2. Clone your fork locally:

git clone https://github.com/your-username/generic-executor-service-php.git

3. Create a new branch for your feature or fix:

git checkout -b feature-branch

4. Make your changes and commit them:

git commit -m "Description of your changes"

5. Push to your fork:

git push origin feature-branch

6. Open a pull request on the original repository.


Feel free to suggest improvements, refactorings, or new features! All contributions, no matter how small, are greatly appreciated.