diefferson

<?php

function removerAcentos( $string ) {

    $mapaAcentosHex  = array(
        'a'=> '/[\xE0-\xE6]/',
        'A'=> '/[\xE0-\xE6]/',
        'e'=> '/[\xE8-\xEB]/',
        'E'=> '/[\xE8-\xEB]/',
        'i'=> '/[\xEC-\xEF]/',

ggauravr

While attempting to explain JavaScript's reduce method on arrays, conceptually, I came up with the following - hopefully it's helpful; happy to tweak it if anyone has suggestions.

Intro

JavaScript Arrays have lots of built in methods on their prototype. Some of them mutate - ie, they change the underlying array in-place. Luckily, most of them do not - they instead return an entirely distinct array. Since arrays are conceptually a contiguous list of items, it helps code clarity and maintainability a lot to be able to operate on them in a "functional" way. (I'll also insist on referring to an array as a "list" - although in some languages, List is a native data type, in JS and this post, I'm referring to the concept. Everywhere I use the word "list" you can assume I'm talking about a JS Array) This means, to perform a single operation on the list as a whole ("atomically"), and to return a new list - thus making it much simpler to think about both the old list and the new one, what they contain, and