\n"; echo "\n"; echo "\n"; // This section could also use <?= ucfirst(basename(__FILE__, '.php')) ?>

Hello world!

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 "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";
    }
    ?>