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Editorial Team
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Asked: 2026-05-26T15:20:50+00:00

I cache a dynamic php page with ob_start(); . It will cache all the

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I cache a dynamic php page with ob_start();. It will cache all the html output from to ; but part of the html output is not static data, e.g., member info came out of $_SESSION by login. How can I skip caching a part of the html? I mean how to keep running the php code within a cached html?

The only way I can imagine is to start ob_start(); from middle of the html.

<html>
<head>
meta data
</head>
<body>
member info (e.g. Welcome USERNAME)
------ start caching from here to the end
ob_start();
.
.
.
</html>

Is it the only way to do so?

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1 Answer

  1. Editorial Team

    One way could be to leave the dynamic part empty in your cache but have a wrapper div e.g.

    <div id='member_info'></div>

    Now you can fill in the dynamic part using javascript on document load. For example, with jquery,

    $(document).ready(function()
{
    var member_info_html = ''; //--generated dynamically with php
    $('#member_info').html(member_info_html);
});
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