Strip URLs from a Multi-dimensional array

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July 7th, 2002, 02:41 PM

FrankieShakes

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Strip URLs from a Multi-dimensional array

I'm having some trouble with a function I have setup that pulls URLs out of a database and displays them in a table.

The problem is that some URLs may be entered with "http://" and some may not be... So what I've setup is a way to strip out any occurrences of "http://" from the URLs that have been entered that way, and then just add "http://" to ALL the urls.... It may seem backward, so if anyone knows a better way, let me know...

That's not the problem... The problem is that rather than stripping everything out during each iteration, I want to call a function that passes the array containing the URLs, do it's work, and return the URLs with the "http://" prefix.

Any help is appreciated.

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July 7th, 2002, 03:14 PM

Lindset

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Hi Frank,

Here's an example: (!! EDITED !!)

PHP Code:


		
			
<?php



$array[] = "www.devarticles.com";

$array[] = "http://www.sitepoint.com/";

$array[] = "http://www.vg.no";

$array[] = "www.dagbladet.no/";



foreach ($array as $key => $url) {

    if (!preg_match("/^(http:\\/\\/)/i", $url)) {

        $array["$key"] = "http://" . $url;

    }

}



?>

I'm not that good with expressions, but this will iterate through and array and check if there's http:// in the beginning of the string. If there isn't, it will add it.

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Last edited by Lindset : July 7th, 2002 at 05:03 PM.

July 7th, 2002, 05:38 PM

FrankieShakes

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Thank you!

i managed to get it working:

PHP Code:


		
			
 $clientURL = $_POST['clientURL'];

formatUrl($clientURL);

And here's the function:

PHP Code:


		
			
function formatUrl($url){

   if (!preg_match("/^(http:\/\/)/i", $url)){

   $url = "http://" . $url;

}



   return $url;

}

Works like a charm! Thanks again!

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