Replace Spaces with Hyphens using PHP

Hello Guys,
I have a problem here. Im using the following PHP code to retrieve data from my MySQL database. In the echo you can see the url to which the data is hyper-linked using the <a> tags. The {$row['tag']} is the main part of the URL. But it has spaces. How can i replace these spaces into hyphens.

<?php 
$query = "SELECT tag FROM dle_search ORDER BY id DESC limit 0, 30";
$result = mysql_query($query);
while($row = mysql_fetch_array($result, MYSQL_ASSOC))
{
echo "<a href='http://www.techspott.com/search/{$row['tag']}.html'>{$row['tag']}</a> | ";
} 
?>

PHP:

For example, the output looks like this:
<a href="http://www.mydomain.com/search/Some Text Here.html">Some Text Here</a>

I have already created an .htaccess file to redirect these to respective pages. If someone can help, i could replace these spaces with hyphens

 

<?php 
$query = "SELECT tag FROM dle_search ORDER BY id DESC limit 0, 30";
$result = mysql_query($query);
while($row = mysql_fetch_array($result, MYSQL_ASSOC))
{
echo "<a href='http://www.techspott.com/search/" . str_replace(' ', '-', $row['tag']) . ".html'>{$row['tag']}</a> | ";
} 
?>

PHP:

 

Thanks Man! This Helped. A problem though! When i enter http://www.techspott.com/search/Google-Talk.html, the site searches for Google-Talk. Even though the URL is with a hypen, when it searches, it should search for Google Talk. Otherwise "no result found" error occurs.

 

You need to convert the - back to a space in the PHP before it is sent to the search function.

str_replace('-', ' ', $someVariable);

Can't give you any more than that without seeing the offending code.

 

Thanks. I just had to change it in the search.php file which did all the search activity.

 

thanks, realli useful.