在URL中使用＆符号

I have a static HTML page and I'm converting it to CMS Concrete5, the URL of this page has an ampersand '&' in it, so what I want is make the new URL in CMS the same as the static HTML page.

The desired page URL is www.domain.com/Fitness/WT&End

When I was creating the page, I tried to put the '&' in the URL slug but it gets converts it to a hyphen -

I also tried to put %26 in the URL slug but it gets converted to '-26'. I also tried & and also it didn't work and gets converted to -amp

I searched for previous questions on the same topic, some people said to try http://php.net/urlencode or http://php.net/rawurlencode, but I'm not sure how to do that because my PHP knowledge is limited

The function that I want is to let me create a page with this URL www.domain.com/Fitness/WT&End without converting the & to any other characters

Edit:

this is the code inside the .htaccess file

# -- concrete5 urls start --
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /concrete/
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME}/index.html !-f
RewriteCond %{REQUEST_FILENAME}/index.php !-f
RewriteRule . index.php [L]
</IfModule>
# -- concrete5 urls end --

You can use urlencode as following:

public function encode_url($url){
       reuturn urlencode($url);
}

and then making call to this function by passing your url as

$new_url=encode_url("your url");