candra-jabar-digital-service

pipeline.php

<?php
class Pipeline
{
    public static function make_pipeline(...$funcs)
    {
        return function($arg) use ($funcs)
        {
            foreach ($funcs as $item) {
                $arg = $item($arg);
            }

            return $arg;
        };
    }
}

$fun = Pipeline::make_pipeline(function($x) { return $x * 3; }, function($x) { return $x + 1; },
                          function($x) { return $x / 2; });
echo $fun(3); # should print 5