Why ?

Flow concept aims to solve

Adopt asynchronous as native implementation
Build your code with functional programming
Assemble your code visually

Installation

PHP 8.5 is the minimal version to use Flow The recommended way to install it through Composer and execute

composer require darkwood/flow

Usage

<?php

use Flow\Flow\Flow;
use Flow\FlowFactory;
use Flow\Ip;

class D1 {
    public function __construct(public int $n1) {}
}

class D2 {
    public function __construct(public int $n2) {}
}

class D3 {
    public function __construct(public int $n3) {}
}

class D4 {
    public function __construct(public int $n4) {}
}

$flow = (new FlowFactory())->create(static function() {
    yield fn (D1 $data1) => new D2($data1->n1 += 1);
    yield fn (D2 $data2) => new D3($data2->n2 * 2);
    yield function(D3 $data3) {
        printf("my number %d\n", $ip->data->n3)); // display 'my number 10'

        return new D4($data3->n3);
    };
});

$ip = new Ip(new D1(4));
$flow($ip);
$flow->await();

Examples

A working script is available in the bundled examples directory

Run Flow : php examples/flow.php
Run Y-Combinator Flow : php examples/yflow.php
Start Server : php examples/server.php
Start Client(s) : php examples/client.php

Documentation

https://darkwood-com.github.io/flow

License

Flow is released under the MIT License.

Flow Laravel Package