PHP for Developers - Exercise: Creating Classes

gistfile1.php

// index.php

<?php

function __autoload($classname) {
    $filename = "./". $classname .".php";
    include_once($filename);
}

$article = new Article('My Article', 'This is my article\'s body, it even escapes <strong>HTML</strong>');
var_dump($article);

echo 'Body:';
echo $article->getBody();

$series = new SeriesArticle('My series article', 'This is my series article\'s body, it even escapes <strong>HTML</strong>');
var_dump($series);

echo 'Body:';
echo $series->getBody();


// Article.php

<?php

class Article {
	public function __construct($title, $body) {
		$this->title = $title;
		$this->body = $body;
	}
	
	public function getBody() {
		$filtered_body = htmlspecialchars($this->body, ENT_QUOTES, 'UTF-8');
		return $filtered_body;
	}
}


// SeriesArticle.php

<?php

class SeriesArticle extends Article {
	function __construct($title, $body) {
		parent::__construct($title, $body);
		$this->seriesid = 1;
	}
}