php - codeigniter: why is that when i echo base_url() in an href attribute of an anchor tag, it echoes twice -


So basically when I resonate the codeigniter function base_url () in the href attribute of anchor tag, it resonates Twice Example: 

  & lt; A href = "& lt ;? php echo base_ url () ;? & gt;" & Gt; A type of cone & lt; / A & gt;   
 And above, if you inspect it, then your Chrome browser shows it:  
  & lt; A href = "www.mysitedomainname.com/www.mysitedomainname .com /" & gt; Somelink & lt; / A & gt;   
 "mysitedomainname.com" is just a name created for this example. Why is this happening for any reason?   
 
 
 There are three reasons for which I know that the cause may be  
 First one happens when  config.php  is written on line 17  $ config ['base_url'] = '';  - It's okay to be better left blank, just like you download the CI.  
 Second, it is that if you have set  $ config ['base_url']  without  code  or Other protocols  
 The third is someone, if you have set the  base   href  from somewhere:  
  & lt; Base href = "http://www.mysitedomainname.com/" />   
 When you want to link to another page, you should    site_url () ,  base_url ()  stylesheets, JS, IMG SRT properties and other  real  URLs can be used for links. The reason for this is very simple, in the  base_url ()  the  index_page  value is not set to  config.php .

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