如何在本地主机上获取主页网址？

Question

So I am making a website on my localhost, the folder name is "veco" therefore my URL link is http://localhost/veco/

Im currently using this code to get the home url " http://localhost/veco/ ":

<?php 
function home_url() {
    // output: /myproject/index.php
    $currentPath = $_SERVER['PHP_SELF']; 

    // output: Array ( [dirname] => /myproject [basename] => index.php [extension] => php [filename] => index ) 
    $pathInfo = pathinfo($currentPath); 

    // output: localhost
    $hostName = $_SERVER['HTTP_HOST']; 

    // output: http://
    $protocol = strtolower(substr($_SERVER["SERVER_PROTOCOL"],0,5))=='https://'?'https://':'http://';

    // return: http://localhost/myproject/
    return $protocol.$hostName.$pathInfo['dirname']."/";
}
?>

Now I'm on page "about", my URL now is http://localhost/veco/about Now on the about page, I made a form

<form action="data/cs_menu.php" method="POST">
    <input type="text" name="f_menu">
    <input type="submit" name="save_menu">
</form>

Now when I submit this form, it will redirect me to http://localhost/veco/about/data/cs_menu.php which is correct, but when I use the function home_url, it gives me " http://localhost/veco/data/ ", not " http://localhost/veco/ "

Any ideas? I am not using Wordpress right now, but If you are familiar with WordPress, they have a function "home_url();" which returns the " http://localhost/FILENAME/ " which is I am trying to copy.

Answer 1

I am not using Wordpress right now, but If you are familiar to wordpress, they have function "home_url();"

WordPress looks up the value from a database, where it is set when you install WordPress.

There is, generally, no way to determine the URL of the homepage from an arbitrary page on the site. The closest you could get would be to manually add a rule to every page along the lines of "The homepage is exactly two directories above this page".

Answer 2

You can try this :

<?php echo "http://" . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']; ?>

And, if you plan using https, you can use this function :

function base_url(){
  return sprintf(
  "%s://%s%s",
  isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off' ? 'https' : 'http',
  $_SERVER['SERVER_NAME'],
  $_SERVER['REQUEST_URI']
 );
}

And call it this way :

echo url();
#=> http://127.0.0.1/foo

As for the $_SERVER global variable the docs can be found here

The original answer has been posted on this thread .

You should check it and let me know if this solves your problem. Hope this helps.

Answer 3

Guys I finally found the solution, it is also dynamic. I only edited my function and added this:

   $home_url = (explode("/",$full_url));
   return $home_url[0]."//".$home_url[2]."/".$home_url[3];

Now Here's the full final code:

function home_url() 
{
    // output: /myproject/index.php
    $currentPath = $_SERVER['PHP_SELF']; 

    // output: Array ( [dirname] => /myproject [basename] => index.php [extension] => php [filename] => index ) 
    $pathInfo = pathinfo($currentPath); 

    // output: localhost
    $hostName = $_SERVER['HTTP_HOST']; 

    // output: http://
    $protocol = strtolower(substr($_SERVER["SERVER_PROTOCOL"],0,5))=='https://'?'https://':'http://';

    // return: http://localhost/myproject/
    $full_url = $protocol.$hostName.$pathInfo['dirname']."/";
    $home_url = (explode("/",$full_url));
    return $home_url[0]."//".$home_url[2]."/".$home_url[3];

}

There might be some bugs to it, but for now I didn't see any. If you can point some then please tell me. Thank you