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Editorial Team
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Asked: 2026-06-13T01:38:08+00:00

How to minify my php page html output like google page speed does? Example:

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How to minify my php page html output like google page speed does?

Example:

<!DOCTYPE html>
<html>

<head>
<title>Untitled Document</title>

<meta name="description" content="Phasellus rhoncus euismod libero a lacinia. Lorem ipsum dolor sit amet, consectetur adipiscing elit." />

</head>

<body>
<div id="content">
<div id="post-1">
<h1>Phasellus rhoncus euismod libero a lacinia.</h1>
<p>...</p>
</div>

<div id="post-2">
<h1>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</h1>
<p>...</p>
</div>

</div>


</body>
</html>

How can this html output can become something like this using php ob_start?

<!DOCTYPE html>
<html>
<head>
<title>Untitled Document</title> 
<meta name="description" content="Phasellus rhoncus euismod libero a lacinia. Lorem ipsum dolor sit amet, consectetur adipiscing elit." />
</head>
<body>
<div id="content">
<div id="post-1">
<h1>Phasellus rhoncus euismod libero a lacinia.</h1>
<p>...</p>
</div>
<div id="post-2">
<h1>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</h1>
<p>...</p>
</div>
</div>
</body>
</html>

EDIT:

I’ve tried this code (based on James Pegg’s answer)

function sanitize_output($buffer){
$search = array("\n", "\t");
return preg_replace($search, '', $buffer);}

ob_start("sanitize_output");

But it doesn’t work. The page is now empty.

Final working code (based on W. Kristianto’s answer):

function sanitize_output($buffer){
$buffer = preg_replace("/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/", "\n", $buffer);
return $buffer;}
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1 Answer

  1. Editorial Team
    $data = '
<!DOCTYPE html>
<html>

<head>
<title>Untitled Document</title>

<meta name="description" content="Phasellus rhoncus euismod libero a lacinia. Lorem ipsum dolor sit amet, consectetur adipiscing elit." />

</head>

<body>
<div id="content">
<div id="post-1">
<h1>Phasellus rhoncus euismod libero a lacinia.</h1>
<p>...</p>
</div>

<div id="post-2">
<h1>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</h1>
<p>...</p>
</div>

</div>


</body>
</html>';

echo "<pre>";
echo htmlentities(preg_replace("/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/", "\n", $data));
echo "</pre>";
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