ahoulgrave/users.php

## users.php
<?php

class User
{

    /**
     * @var string
     */
    private $name;

    /**
     * @var integer
     */
    private $age;

    /**
     * @var float
     */
    private $weight;

    /**
     * @var float
     */
    private $size;

    /**
     * User constructor.
     * @param string $name
     * @param int $age
     * @param float $weight
     * @param float $size
     */
    public function __construct($name, $age, $weight, $size)
    {
        $this->setName($name);
        $this->setAge($age);
        $this->setWeight($weight);
        $this->setSize($size);
    }

    /**
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * @param string $name
     */
    public function setName($name)
    {
        $this->name = $name;
    }

    /**
     * @return int
     */
    public function getAge()
    {
        return $this->age;
    }

    /**
     * @param int $age
     */
    public function setAge($age)
    {
        $this->age = $age;
    }

    /**
     * @return float
     */
    public function getWeight()
    {
        return $this->weight;
    }

    /**
     * @param float $weight
     */
    public function setWeight($weight)
    {
        $this->weight = $weight;
    }

    /**
     * @return float
     */
    public function getSize()
    {
        return $this->size;
    }

    /**
     * @param float $size
     */
    public function setSize($size)
    {
        $this->size = $size;
    }

}

class UserManager
{

    const SEPARATOR = '|';

    /**
     * @var string
     */
    private $file;

    public function __construct($file = 'users.txt')
    {

        $this->setFile($file);

    }

    /**
     * @param User $user
     * @return string
     */
    public function displayUserInfo(User $user)
    {
        $template = "
       --- Name: " . $user->getName() . " ---<br />
       Age: " . $user->getAge() . "<br />
       Weight: " . $user->getWeight() . " Size: " . $user->getSize() . "<br />";
        return $template;

    }

    /**
     * @return resource
     */
    public function addUser(User $user)
    {
        $fileName = $this->getFile();
        $content = file_get_contents($fileName);
        $encodedUser = $this->encodeUser($user);
        $content.= "\n" . $encodedUser;
        file_put_contents($fileName, $content);
    }

    /**
     * @return User[]
     */
    public function getUsers()
    {
        $fileName = $this->getFile();
        $content = file_get_contents($fileName);
        $userLines = explode("\n", $content);
        $users = array();
        foreach ($userLines as $userLine)
        {
            if ($userLine)
                $users[] = $this->decodeUser($userLine);
        }
        return $users;
    }

    /**
     * @param $string
     * @return User
     */
    public function decodeUser($string)
    {
        $parts = explode(self::SEPARATOR, $string);
        $user = new User($parts[0], $parts[1], $parts[2], $parts[3]);
        return $user;
    }

    /**
     * @param User $user
     * @return string
     */
    public function encodeUser(User $user)
    {
        return join(self::SEPARATOR, array(
            $user->getName(),
            $user->getAge(),
            $user->getWeight(),
            $user->getSize()
        ));
    }

    /**
     * @return string
     */
    public function getFile()
    {
        return $this->file;
    }

    /**
     * @param string $file
     */
    public function setFile($file)
    {
        $this->file = $file;
    }

}

$userManager = new UserManager();

if (isset($_POST['submit']) && $_POST['submit'])
{
    $newUser = new User($_POST['name'], $_POST['age'], $_POST['weight'], $_POST['size']);
    $userManager->addUser($newUser);
}

$users = $userManager->getUsers();

?>
<html>
    <head>
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
        <title>Test</title>
    </head>
    <body>
        <div class="container">
            <h1>Test</h1>
            <hr>
            <?php if (empty($users)) { ?>
            <div class="alert alert-info">No users</div>
            <?php } else { ?>
            <?php foreach ($users as $user) { ?>
            <?php echo $userManager->displayUserInfo($user); ?>
            <?php } ?>
            <?php } ?>
            <hr>
            <form action="" method="post">
                <input type="text" name="name" placeholder="Name" required>
                <input type="text" name="age" placeholder="Age" required>
                <input type="text" name="weight" placeholder="Weight" required>
                <input type="text" name="size" placeholder="Size" required>
                <input type="submit" name="submit" value="Create user">
            </form>
            <script type="text/javascript" src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
        </div>
    </body>
</html>
	<?php

	class User
	{

	/**
	* @var string
	*/
	private $name;

	/**
	* @var integer
	*/
	private $age;

	/**
	* @var float
	*/
	private $weight;

	/**
	* @var float
	*/
	private $size;

	/**
	* User constructor.
	* @param string $name
	* @param int $age
	* @param float $weight
	* @param float $size
	*/
	public function __construct($name, $age, $weight, $size)
	{
	$this->setName($name);
	$this->setAge($age);
	$this->setWeight($weight);
	$this->setSize($size);
	}

	/**
	* @return string
	*/
	public function getName()
	{
	return $this->name;
	}

	/**
	* @param string $name
	*/
	public function setName($name)
	{
	$this->name = $name;
	}

	/**
	* @return int
	*/
	public function getAge()
	{
	return $this->age;
	}

	/**
	* @param int $age
	*/
	public function setAge($age)
	{
	$this->age = $age;
	}

	/**
	* @return float
	*/
	public function getWeight()
	{
	return $this->weight;
	}

	/**
	* @param float $weight
	*/
	public function setWeight($weight)
	{
	$this->weight = $weight;
	}

	/**
	* @return float
	*/
	public function getSize()
	{
	return $this->size;
	}

	/**
	* @param float $size
	*/
	public function setSize($size)
	{
	$this->size = $size;
	}

	}

	class UserManager
	{

	const SEPARATOR = '\|';

	/**
	* @var string
	*/
	private $file;

	public function __construct($file = 'users.txt')
	{

	$this->setFile($file);

	}

	/**
	* @param User $user
	* @return string
	*/
	public function displayUserInfo(User $user)
	{
	$template = "
	--- Name: " . $user->getName() . " ---<br />
	Age: " . $user->getAge() . "<br />
	Weight: " . $user->getWeight() . " Size: " . $user->getSize() . "<br />";
	return $template;

	}

	/**
	* @return resource
	*/
	public function addUser(User $user)
	{
	$fileName = $this->getFile();
	$content = file_get_contents($fileName);
	$encodedUser = $this->encodeUser($user);
	$content.= "\n" . $encodedUser;
	file_put_contents($fileName, $content);
	}

	/**
	* @return User[]
	*/
	public function getUsers()
	{
	$fileName = $this->getFile();
	$content = file_get_contents($fileName);
	$userLines = explode("\n", $content);
	$users = array();
	foreach ($userLines as $userLine)
	{
	if ($userLine)
	$users[] = $this->decodeUser($userLine);
	}
	return $users;
	}

	/**
	* @param $string
	* @return User
	*/
	public function decodeUser($string)
	{
	$parts = explode(self::SEPARATOR, $string);
	$user = new User($parts[0], $parts[1], $parts[2], $parts[3]);
	return $user;
	}

	/**
	* @param User $user
	* @return string
	*/
	public function encodeUser(User $user)
	{
	return join(self::SEPARATOR, array(
	$user->getName(),
	$user->getAge(),
	$user->getWeight(),
	$user->getSize()
	));
	}

	/**
	* @return string
	*/
	public function getFile()
	{
	return $this->file;
	}

	/**
	* @param string $file
	*/
	public function setFile($file)
	{
	$this->file = $file;
	}

	}

	$userManager = new UserManager();

	if (isset($_POST['submit']) && $_POST['submit'])
	{
	$newUser = new User($_POST['name'], $_POST['age'], $_POST['weight'], $_POST['size']);
	$userManager->addUser($newUser);
	}

	$users = $userManager->getUsers();

	?>
	<html>
	<head>
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
	<title>Test</title>
	</head>
	<body>
	<div class="container">
	<h1>Test</h1>
	<hr>
	<?php if (empty($users)) { ?>
	<div class="alert alert-info">No users</div>
	<?php } else { ?>
	<?php foreach ($users as $user) { ?>
	<?php echo $userManager->displayUserInfo($user); ?>
	<?php } ?>
	<?php } ?>
	<hr>
	<form action="" method="post">
	<input type="text" name="name" placeholder="Name" required>
	<input type="text" name="age" placeholder="Age" required>
	<input type="text" name="weight" placeholder="Weight" required>
	<input type="text" name="size" placeholder="Size" required>
	<input type="submit" name="submit" value="Create user">
	</form>
	<script type="text/javascript" src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
	</div>
	</body>
	</html>