<?php
  echo '<!DOCTYPE html>';
  echo '<html lang="en">';
  echo '<!-- This is a simple PHP template -->';
  // This section could also use <?= syntax, but for example's sake, will not.
?>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title><?= ucfirst(basename(__FILE__, '.php')) ?></title>
  <link rel="stylesheet" href="css/style.css">
  <meta name="description" content="">

  <meta property="og:title" content="">
  <meta property="og:type" content="">
  <meta property="og:url" content="">
  <meta property="og:image" content="">

  <link rel="icon" href="/favicon.ico" sizes="any">
  <link rel="icon" href="/icon.svg" type="image/svg+xml">
  <link rel="apple-touch-icon" href="icon.png">

  <link rel="manifest" href="site.webmanifest">
  <meta name="theme-color" content="#fafafa">
</head>

<body>
  <h1>Hello world!</h1>

  <p><?= "This page was rendered on " . date("Y-m-d") ?></p>

  <pre><?php
    $pairs = [
        "hello" => "world!",
        "how are" => "you?",
        "i like the number"  => 3
    ];

    // Iterate over key-value pairs
    foreach ($pairs as $k => $v) {
      echo "($k, $v) ";
    }
    echo "\n\n";

    // Iterate over keys
    foreach (array_keys($pairs) as $key) {
      echo "$key: $pairs[$key]\n";
    }
    echo "\n";

    // Iterate over values
    foreach ($pairs as $value) {
      echo "values = $value\n";
    }
    ?>
  </pre>
</body>

</html>