<?php
// The two data types nothing else parses. The html type runs the input through tidy into
// well-formed XML and then the XML parser; the tree nests by element, so the PHP half
// walks to the values and the template prints them. The range type is template-side.
$tree = padData ( '<html><head><title>T</title></head><body><p>alpha</p><p>beta</p></body></html>', 'html' );
$title = $tree ['head'] [0] ['title'] ?? '?';
$paras = implode ( ',', $tree ['body'] [0] ['p'] ?? [] );
?>
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html title: {$title}
html paragraphs: {$paras}
range: {data 'dr'}5..9{/data}{dr}{$dr} {/dr}
range letters: {data 'dl', type='range'}p..t{/data}{dl}{$dl}{/dl}
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