Freek.dev

Some tips when dealing with lots of macros in Laravel, and composing them into mixin classes elegantly.

Read more [liamhammett.com]

Just a little reminder that Carbon is macroable in #Laravel 5.5 pic.twitter.com/6l7F883c7N

— Freek Van der Herten (@freekmurze) October 22, 2017

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Nicola Malizia wrote a short blog post on how Laravel's handy Macroable trait can be used and how it works under the hood.

If you check the Laravel codebase I’m sure that you can observe that Laravel makes use of traits.There is one trait in the source code that pulls my attention. I’m talking about the Macroable trait. ... The purpose of this trait is to extend (not in an OOP sense) a class at run-time. This way, you can add behavior without editing the original class source code.

https://unnikked.ga/understanding-the-laravel-macroable-trait-dab051f09172

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In an awesome article at Sitepoint Christopher Pitt explains how he used the yay macro library to build up plugin framework to add new language features to PHP.

Chris made plugins that allows this syntax in PHP.

// short closure syntax
$items = ["one", "two", "three"];
$ignore = "two";

array_filter($items, ($item) => {
    return $item !== $ignore;
});

//class accessors

class Sprocket
{
    private $type {
        get {
            return $this->type;
        }

        set {
            $this->type = $value;
        }

        unset {
            $this->type = "type has been unset";
        }
    }
}

As with all things, this can be abused. Macros are no exception. This code is definitely not production-ready, though it is conceptually cool.

Please don’t be that person who comments about how bad you think the use of this code would be. I’m not actually recommending you use this code, in this form.

Having said that, perhaps you think it’s a cool idea. Can you think of other language features you’d like PHP to get? Maybe you can use the class accessors repository as an example to get you started. Maybe you want to use the plugin repository to automate things, to the point where you can see if your idea has any teeth.

https://www.sitepoint.com/how-to-make-modern-php-more-modern-with-preprocessing/

Check out some more examples on preprocess.io

Very cool stuff.

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