Laravel 7 - Fluent String

<?php
//title case + trim
$string = "    teszt cím      ";
$native = ucwords(trim($string));

$fluent = (string)Str::of($string)
    ->trim()
    ->title();

echo $fluent; //Teszt Cím

//title case + replace + split
$string = "egy kettő három";

$native = explode(";", str_replace(" ", ";", ucwords($string)));

$fluent = Str::of($string)
    ->title()
    ->replace(' ', ';')
    ->explode(';');

var_dump($fluent); //Collection of ["Egy", "Kettő", "Három"]
var_dump($fluent->toArray()); //["Egy", "Kettő", "Három"]

//prefix
$string = "world";

$native = ucwords("hello " . $string);

$fluent = (string)Str::of($string)
    ->start("hello ")
    ->title();

echo $fluent; //Hello World

//cut prefix + split
$string = "N#5642-5565-5421";

$native = explode('-', mb_substr($string, 2));

$fluent = Str::of($string)
    ->after("N#")
    ->explode("-");

var_dump($fluent); //Collection of [5642, 5565, 5421]