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The PHP Promise handling PHP promises with additional utilities and features.

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# PHP Promise

## Composer Installation

Installation is super-easy via [Composer](https://getcomposer.org)

```bash
composer require modassir/promise
```

or add it by hand to your `composer.json` file.

## Getting Started

```php
use Modassir\Promise\Promise;

(new Promise(function($resolve, $reject) {
  $resolve('success');
  $reject('An error accurred.');
}))->then(function($res) {
  // echo : 'success'
})->catch(function() {

})->finally(function() {
  // echo: strtoupper('Hello Worlds!');
});

(new Promise(function($resolve, $reject) {
  $reject('An error accurred.');
  $resolve('success');
}))->then(function() {

})->catch(function($res) {
  // echo: 'An error accurred.'
})->finally(function() {
  // echo: strtoupper('Hello Worlds!');
});

(new Promise(function($resolve, $reject) {
  call_undfined_function();
  $resolve('success');
  $reject('An error accurred.');
}))->then(function() {

})->catch(function($res) {
  $res->getMessage();       // Output: Call to undefined function call_undfined_function()
  $res->getCode();          // Output: 0
  $res->getLine();          // Output: 8
  $res->getFile();          // Output: C:\xampp\htdocs\promise\index.php
  $res->getTraceAsString(); // Output: #1 C:\xampp\htdocs\promise\index.php(9): Modassir\Promise\Promise->__construct(Object(Closure))
})->finally(function() {
  // echo: strtoupper('Hello Worlds!');
});
```

**OR**

```php
use Modassir\Promise\Promise;

$promise = new Promise(function($resolve, $reject) {
  $resolve('success');
  $reject('An error accurred.');
});

$promise->then(function($res) {
  // echo : 'success'
})->catch(function() {

})->finally(function() {
  // echo: strtoupper('Hello Worlds!');
});

$promise = new Promise(function($resolve, $reject) {
  call_undfined_function();
  $resolve('success');
  $reject('An error accurred.');
});

$promise->then(function() {

## Resources
- [Report issue](https://github.com/lazervel/promise/issues) and [send Pull Request](https://github.com/lazervel/promise/pulls) in the [main Lazervel repository](https://github.com/lazervel/promise)

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