Codecademy export

index.php

<?php

class StringUtils 
{
  public static function secondCase(string $text) {
    $text = strtolower($text);
    if (strlen($text) > 1) {
      $text[1] = strtoupper($text[1]);
    }
    return $text;
  }
}

class Pajamas 
{
  private $owner, $fit, $color;

  function __construct(
    string $owner = "unknown",
    string $fit = "fine",
    string $color = "white"
  ) {
    $this->owner = StringUtils::secondCase($owner);
    $this->fit = $fit;
    $this->color = $color;
  }

  public function describe() {
    return "This pajama belongs to $this->owner. It fits $this->fit and is $this->color.";
  }

  function setFit(string $fit) {
    $this->fit = $fit;
  }
}

class ButtonablePajamas extends Pajamas 
{
  private $button_state = "unbuttoned";

  public function describe() {
    return parent::describe() . " They also have buttons which are currently $this->button_state.";
  }

  public function toggleButtons() {
    $this->button_state = ["buttoned" => "unbuttoned", "unbuttoned" => "buttoned"][$this->button_state];
  }
}

$chicken_PJs = new Pajamas("CHICKEN", "correctly", "red");
echo $chicken_PJs->describe();
echo "\n";
$chicken_PJs->setFit("awfully");
echo $chicken_PJs->describe();
echo "\n";
$moose_PJs = new ButtonablePajamas("moose", "appropriately", "black");
echo $moose_PJs->describe();
$moose_PJs->toggleButtons();
echo "\n";
echo $moose_PJs->describe();