PHP - Getting Current Url

Get the full URL in PHP

Have a look at $_SERVER['REQUEST_URI'], i.e.

$actual_link = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

(Note that the double quoted string syntax is perfectly correct)

If you want to support both HTTP and HTTPS, you can use

$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

Editor's note: using this code has security implications. The client can set HTTP_HOST and REQUEST_URI to any arbitrary value it wants.

Get the path with query string on the current http request in PHP

You want $_SERVER['REQUEST_URI']. From the docs:

'REQUEST_URI'

The URI which was given in order to access this page; for instance, '/index.html'.

How to get URL of current page in PHP

$_SERVER['REQUEST_URI']

For more details on what info is available in the $_SERVER array, see the PHP manual page for it.

If you also need the query string (the bit after the ? in a URL), that part is in this variable:

$_SERVER['QUERY_STRING']

How to get current PHP page name

You can use basename() and $_SERVER['PHP_SELF'] to get current page file name

echo basename($_SERVER['PHP_SELF']); /* Returns The Current PHP File Name */

Getting the full URL of the current page (PHP)

function selfURL() 
{ 
    $s = empty($_SERVER["HTTPS"]) ? '' : ($_SERVER["HTTPS"] == "on") ? "s" : ""; 
    $protocol = strleft(strtolower($_SERVER["SERVER_PROTOCOL"]), "/").$s; 
    $port = ($_SERVER["SERVER_PORT"] == "80") ? "" : (":".$_SERVER["SERVER_PORT"]); 
    return $protocol."://".$_SERVER['SERVER_NAME'].$port.$_SERVER['REQUEST_URI']; 
} 

function strleft($s1, $s2) { return substr($s1, 0, strpos($s1, $s2)); }

How to get the full URL of the current page using PHP

You can use this for HTTP request

<?php $current_url="http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; ?>

You can use this for HTTPS request

<?php $current_url="https://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; ?>

You can use this for HTTP/HTTPS request

<?php $current_url="//".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; ?>

PHP - Getting Current URL

$query = $_SERVER['PHP_SELF'];
$path = pathinfo( $query );
$what_you_want = $path['basename'];

Voila.

How to get current URL and change parameter PHP

According to Scuzzy answer and jlcolon13 Modifications on Scuzzy answer in this Question I merge both answers to make it simpler for you. Just Copy code below and paste it into your file!.

function merge_querystring($url = null,$query = null,$recursive = false){
  // $url = 'https://www.google.com?q=apple&type=keyword';
  // $query = '?q=banana';
  // if there's a URL missing or no query string, return
  if($url == null)
    return false;
  if($query == null)
    return $url;
  // split the url into it's components
  $url_components = parse_url($url);
  // if we have the query string but no query on the original url
  // just return the URL + query string
  if(empty($url_components['query']))
    return $url.'?'.ltrim($query,'?');
  // turn the url's query string into an array
  parse_str($url_components['query'],$original_query_string);
  // turn the query string into an array
  parse_str(parse_url($query,PHP_URL_QUERY),$merged_query_string);
  // merge the query string
  if ($recursive == true) {
    $merged_result = array_filter(array_merge_recursive($original_query_string, $merged_query_string));
} else {
    $merged_result = array_filter(array_merge($original_query_string, $merged_query_string));
}

// Find the original query string in the URL and replace it with the new one
$new_url = str_replace($url_components['query'], http_build_query($merged_result), $url);

// If the last query string removed then remove ? from url 
if(substr($new_url, -1) == '?') {
   return rtrim($new_url,'?');
}
return $new_url;
}

Usage

<a href="<?=merge_querystring($url,'?pro=en');?>">EN</a>
<a href="<?=merge_querystring($url,'?pro=as');?>">AS</a>

Special thanks to Scuzzy & jlcolon13

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