We can pass variables to be used inside a pattern via the variables setup key in the Patterns::out or the Patterns::parse call.
Imagine our helloworld.html file looks like this:
<!DOCTYPE html>
<html>
<body>
<p>Here's a gift for you: 🧁</p>
</body>
</html>But we want the gift emoji to be passed as a variable to the pattern to be able to pass a different one each time we make the call to Patterns::out or Patterns::parse.
To do so, first we replace the emoji in the helloworld.html file with a PHP statement that simply echoes the variable $emoji, like this:
<!DOCTYPE html>
<html>
<body>
<p>Here's a gift for you: <?= $emoji ?></p>
</body>
</html>Note that, to use PHP code inside a pattern, we need to enclose it in PHP's opening and closing tags:
<?php ... ?>. In this case, however, we use the shorthand<?= ... ?>which is a shortcut for the more verbose<?php echo ... ?>
And now, in our call to Patterns::out, we pass emoji as a variable:
$e->Patterns->out("helloworld.html", [
"variables" => [
"emoji" => "🧸"
]
]);So now, the browser shows this:
See this example working in the Cherrycake documentation examples site.
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Here's a gift for you: 🧸