tidy up

Author: TomasVotruba

composer.lock

@@ -75,17 +75,18 @@ After 2 hours of digging into code, we learn that:
 * in another `array<string|null>`
 * and in another `array<string|false>`
 
-You want to quit such a project, right? There is a way out.
+You want to quit such a project, right? Wait, there is another a way out.
 
 <br>
 
 You might be thinking, "Let's refactor the array to collections." It is also a way, but it takes more energy, more studying, and most importantly - much more than 1 line.
 
-Our job is to deliver for a reasonable price, so I always aim for cost-effective solutions.
+**Our job is to deliver for a reasonable price, so I always aim for cost-effective solutions.**
+
 
 ## The Single Line
 
-I learned the following approach from a friend of mine about 10 years ago, way before PHP 7.0 with type declarations was released. Simple but effective.
+I learned the following approach from a [friend of mine](https://www.outofdark.com/) about 10 years ago, way before PHP 7.0 with type declarations was released. Simple but effective.
 
 **Validate with assert**. I don't mean the native `assert()` native function that is often disabled in php config. I mean assert PHP package, like `webmozart/assert`, that fails hard with an exception not correct:
 
@@ -99,9 +100,9 @@ public function __construct(array $codes)
 }
 ```
 
-They used this approach 10 years and I was thinking "lol, what an anxious approach to coding, they're so afraid they have to check everything".
+They used this approach 10 years ago and I was thinking "lol, what an anxious approach to coding, they're so afraid they have to check everything".
 
-Little did I know, nowadays, with similar projects, **I'm the one who checks everything because I have to manually verify the exact type of each variable. Those guys are already working on the 20th project and keep delivering.
+Little did I know, nowadays, with similar projects, **I'm the one who checks everything because I have to manually verify the exact type of each variable**. Those guys are already working on the 20th project and keep delivering.
 
 This takes about **half of our focus while working with projects** in [Rector upgrade team](https://getrector.com/hire-team) projects.