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@ 2025-07-04T18:51:01Z

<?php

final class Deployment
{
    /**
     * @param array<string, list<string>> $pipelineStages
     */
    public function run(array $pipelineStages): void
    {
        $pipeline = new Fiber(function (array $pipelineStages): string {
            Fiber::suspend('Pipeline initialized.');

            foreach ($pipelineStages as $stage => $steps) {
                foreach ($steps as $step) {
                    Fiber::suspend("Stage '{$stage}': step '{$step}' completed.");
                }
            }

            return 'Deployment successful.';
        });

        $monitor = new Fiber(function (): string {
            Fiber::suspend('Monitoring system initialized.');

            while (true) {
                Fiber::suspend('System health: OK.');
            }
        });

        $pipeline->start($pipelineStages);
        $monitor->start();

        while (! $pipeline->isTerminated()) {
            printf("[Pipeline] %s\n", $pipeline->resume());
            printf("[Monitor]  %s\n", $monitor->resume());
        }

        $result = $pipeline->getReturn();
        printf("[Result]   %s\n", $result);
    }
}

$stages = [
    'build' => ['compile', 'lint', 'optimize'],
    'test' => ['unit', 'integration', 'e2e'],
    'package' => ['zip', 'sign'],
    'deploy' => ['upload', 'release', 'notify'],
];

(new Deployment())->run($stages);

Output for git.master_jit, git.master: [Pipeline] Stage 'build': step 'compile' completed. [Monitor] System health: OK. [Pipeline] Stage 'build': step 'lint' completed. [Monitor] System health: OK. [Pipeline] Stage 'build': step 'optimize' completed. [Monitor] System health: OK. [Pipeline] Stage 'test': step 'unit' completed. [Monitor] System health: OK. [Pipeline] Stage 'test': step 'integration' completed. [Monitor] System health: OK. [Pipeline] Stage 'test': step 'e2e' completed. [Monitor] System health: OK. [Pipeline] Stage 'package': step 'zip' completed. [Monitor] System health: OK. [Pipeline] Stage 'package': step 'sign' completed. [Monitor] System health: OK. [Pipeline] Stage 'deploy': step 'upload' completed. [Monitor] System health: OK. [Pipeline] Stage 'deploy': step 'release' completed. [Monitor] System health: OK. [Pipeline] Stage 'deploy': step 'notify' completed. [Monitor] System health: OK. [Pipeline] [Monitor] System health: OK. [Result] Deployment successful.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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