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Scriptplayground » tutorials » php » Refresh Page Automatically

Refresh Page Automatically

Redirect the page automatically using PHP. Very useful when Javascript may be disabled.

Refreshing the page has many uses. You could reload a news site or check for new content, maybe reload an ad where Javascript may be disabled on the browser, the possibilites are endless.

$urlRefresh = "thispage.php";
header("Refresh: 5; URL=\"" . $urlRefresh . "\""); // redirect in 5 seconds

That was simple enough, using "header" we refresh the page. In this example that will happen after 5 seconds. You can use any time imaginable, the value is in seconds. For instance if you had a news site that was refreshed every 5 minutes, you would use this

// 300 seconds is 5 minutes
60 * 5 = 300

One thing to keep in mind is this code MUST be placed before html code, otherwise you will get an error message like this. Warning: Cannot modify header information - headers already sent by (output started at /path/of/server/otherpage.php:65) in /path/of/server/thispage.php on line 20

One way to solve this problem is to use the output buffering on this page. At the top of the first document place this php.

ob_start(); // start output buffering

Then at the end of the last file, place this.

ob_end_flush(); // output the html and serve it to the browser

That's about it, now you can refresh a page when Javascript may be disabled.

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Comments: Refresh Page Automatically

 Dave   Fri Jul 20, 2007 5:11 pm  
Hi, just want to thank you for the tip.
Life saver!
 praveen  Mon Aug 13, 2007 10:02 am  
will have to try
 padmaja  Mon Feb 18, 2008 7:38 am  
i want to refresh a particular part in a page not the entire page
i want that code in php to do that functionality
 mkeefe  Mon Feb 18, 2008 8:06 am  
@padmaja, That is not possible with ONLY PHP, reason being, PHP runs on the server and not on the users machine. You could use AJAX to reload a portion of the page, or some similar technique.
 Soumya S Nambiar  Thu May 14, 2009 5:03 am  
actually i am doing an image editting program.I am doing the editing in a seperate PHP page. And after updating the contents in the database in am redirecting the page to the actual page. But i have to click the refresh button of IE to show the updated image. Can u help me please?
 mkeefe  Mon May 25, 2009 4:17 pm  
@Soumya - It sounds like you are outputting your page prior to the upload being completed. Make sure your page output is the last step in your code.
 Azhar  Fri Aug 7, 2009 1:29 pm  
Thank You very much.
 sarimah Muhamad Yunus  Wed Nov 11, 2009 2:31 am  
i like t refresh my page
 sarimah Muhamad Yunus  Wed Nov 11, 2009 2:32 am  
i like to try firt
 Shafi  Sun Jan 24, 2010 9:24 pm  
Hey! that's great, thankx a lot
 radih  Thu Mar 18, 2010 6:10 am's work...m/
 Bhupendra Tiwari  Sat Mar 5, 2011 3:41 am  
I want to only refresh my ajax part not refresh all part of my site so what i do
 mkeefe  Mon Apr 4, 2011 5:31 pm  
@Bhupendra - That is beyond the scope of this example, but you'd want to use Javascript to only reload the portion you're interested in.
 service  Sat Sep 10, 2011 11:01 am  
thank u bro, this work
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