PHP 関数

 <?php

function showAd()

{

  echo '----------' .PHP_EOL;

  echo '--- Ad ---' . PHP_EOL;

  echo '----------' .PHP_EOL;

}

showAd();

echo 'Tom is great!' . PHP_EOL;

echo 'Bob is great!' . PHP_EOL;

showAd();

echo 'Steve is great!' . PHP_EOL;

echo 'Bob is great!' . PHP_EOL;

showAd();