http headers - How to prevent Browser cache for php site

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http headers - How to prevent Browser cache for php site

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

http headers - How to prevent Browser cache for php site

I have a php site running in cloud server.When ever i add new files css, js or images the browser is loading the same old js, css and image files stored in cache.

My site has a doctype and meta tag as below

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
  <meta http-equiv="Page-Enter" content="blendTrans(Duration=1.0)">
  <meta http-equiv="Page-Exit" content="blendTrans(Duration=1.0)">
  <meta http-equiv="Site-Enter" content="blendTrans(Duration=1.0)">
  <meta http-equiv="Site-Exit" content="blendTrans(Duration=1.0)">

Because of the above doctype and meta code am i loading the same files cached in browser instead of new one

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1 Answer

深蓝 · Answer 1 · 2021-10-16T21:22:15+0000

try this

<?php

header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
?>

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http headers - How to prevent Browser cache for php site

http headers - How to prevent Browser cache for php site

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