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greg-randall/html-clean.php

Last active March 1, 2019 18:03
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Remove all html attributes except for the url of images and urls on links. It then cleans up html removing divs, spans, etc. Ideally used if you have a source of HTML from an existing site with a bunch of CSS classes you don't need.
Raw
html-clean.php
<?php
if(!isset($_POST["input"])|$_POST["input"]==""){ //check to see if the url is set. if not set prompts for a url.
?>Clean:
<form action="index.php" method="post">
<textarea name="input" rows="40" cols="80"></textarea><br><br>
<input type="submit">
</form><?php
exit();
}else{
$input = htmlspecialchars_decode($_POST["input"]);
//get all html elements on a line by themselves
$input = str_replace (array("<",">"),array("\n<",">\n"),$input);
//find lines starting with a '<' and any letters or numbers upto the first space. throw everything after the space away.
$clean = str_replace('"',"'",$input);
$clean = strip_tags($clean, '<h1><h2><h3><h4><h5><h6><img><a><abbr><acronym><applet><area><aside><audio><b><base><basefont><bdi><bdo><big><blockquote><body><br><button><canvas><caption><center><cite><code><col><colgroup><data><datalist><dd><del><details><dfn><dialog><dir><dl><dt><em><embed><fieldset><figcaption><figure><font><form><frame><frameset><h1><head><hr><html><i><iframe><input><ins><kbd><label><legend><li><link><main><map><mark><menu><menuitem><meta><meter><nav><noframes><noscript><object><ol><optgroup><option><output><p><param><picture><pre><progress><q><rp><rt><ruby><s><samp><script><select><small><source><strike><strong><style><sub><summary><sup><svg><table><tbody><td><template><textarea><tfoot><th><thead><time><title><tr><track><tt><u><ul><var><video><wbr>');
$clean = preg_replace("/\n(<[^ai]([\w\d]+)?).+/i","\n$1>",$clean);
$clean = preg_replace("/<a.+href='([:\w\d#\/\-\.]+)'.+/i","<a href=\"$1\">",$clean);
$clean = preg_replace("/<img.+src='([\w\d_:?.\/%=\-]+)'.+/i","<img src=\"$1\">",$clean);
$clean = str_replace("'",'"',$clean);
$clean = str_replace("&nbsp;",' ',$clean);
$clean = preg_replace("/[\s\n\r]+/i"," ",$clean);
$clean = str_replace('> <','><',$clean);
$clean = preg_replace("/<([\w\d]+)><\/\\1>/i","",$clean);
$url = 'https://www.10bestdesign.com/dirtymarkup/api/html';
$context = stream_context_create(array(
'http' => array(
'method' => 'POST',
'header' => 'Content-type: application/x-www-form-urlencoded',
'content' => http_build_query(
array(
'code' => $clean,
'output' => 'fragment',
)
),
'timeout' => 60
)
));
$resp = file_get_contents($url, FALSE, $context);
$resp=json_decode($resp, true);
echo "<pre>".htmlspecialchars (array_pop($resp));
}
?>
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