As part of a data processing pipeline, complete the implementation of the make_pipeline method: The method should accept a variable number of functions, and it should return a new function that accepts one parameter $arg. The returned function should call the first function in the make_pipeline with the parameter $arg, and call the second functi…

make_pipeline.php

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