Terms

NUX = new user experience

hh

1. Constructor Argument Promotion —- The class members will automatically be created and assigned to what is passed into the constructor.
2. lambad function using ==>  e.g., $squared = array_map($x ==> $x*$x, array(1,2,3));

opt

äpt/

verb

1. make a choice from a range of possibilities.

php comparison

http://il.php.net/manual/en/language.operators.comparison.php

=== compare value and type

== compare only value

<=> compare which is larger (only gives value -1, 0, 1)