- var_dump: documentation ( source)
- token_get_all: documentation ( source)
<?php
$template = <<<EOF
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="{{$__charset__}}">
<title>{{block:title}}My Site{{endblock}}</title>
</head>
<body>
<h1>Header</h1>
<ul>
{{block:list}}{{endblock}}
</ul>
<hr>
{{block:content}}{{endblock}}
<hr>
Footer
</body>
</html>
EOF;
var_dump(token_get_all($template));