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]";

Using this code has , because the client can set HTTP_HOST and REQUEST_URI to arbitrary values. To mitigate, sanitize and do meaningful input validation.

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

I understand that you want to get the full URL as it appears in the web browser's navigation bar, including the script name and any query strings, but not the server's file path. In this case, you can use the following code:

$protocol = isset($_SERVER["HTTPS"]) ? "https" : "http";
$host = $_SERVER["HTTP_HOST"];
$script_name = $_SERVER["SCRIPT_NAME"];
$query_string = $_SERVER["QUERY_STRING"];

$actual_link = $protocol . "://" . $host . $script_name . (isset($query_string) ? '?' . $query_string : '');

This code snippet creates the full URL using the following variables:

• $protocol: The protocol used (HTTP or HTTPS).
• $host: The domain name of the server.
• $script_name: The current script's name, which corresponds to the relative path from the domain name.
• $query_string: The query string if present.

These variables are then concatenated to build the complete URL, taking into account any potential query strings. With this solution, the URL should match the address displayed in the web browser's navigation bar, even when using masks in your .htaccess file.

I see, in that case, you can use the $_SERVER['REQUEST_URI'] variable instead of $_SERVER['PHP_SELF']. This will give you the complete requested URI from the client including the query strings if any.

So your code would look like this:

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

This should provide you with the full URL as it appears in the navigation bar of the web browser.

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]";

Using this code has , because the client can set HTTP_HOST and REQUEST_URI to arbitrary values. To mitigate, sanitize and do meaningful input validation.

Sure, here's the solution to get the full URL in PHP without the server path:

$actual_link = 'http://' . $_SERVER['HTTP_HOST'];

// Remove any leading and trailing slashes from the host
$actual_link = ltrim($actual_link, '/', '');

// Remove any query string parameters from the link
$actual_link = str_replace('?' . $_SERVER['QUERY_STRING'], '', $actual_link);

// Remove any hash characters from the link
$actual_link = str_replace('#', '', $actual_link);

// Resulting in the full URL as it appears in the Navigation Bar
echo $actual_link;

This code will first get the host portion of the URL from $_SERVER['HTTP_HOST']. Then, it will remove any leading or trailing slashes, any query string parameters, and any hash characters from the resulting string. The final result is the full URL as it appears in the Navigation Bar.

To get the full URL in PHP, you can use the parse_url() function to parse the URL string.

Here's an example of how you could use parse_url() in PHP:

$url = 'http://www.example.com/path/to/file.jpg';

$parts = parse_url($url);

echo 'Full URL: ' . $parts['scheme'] . '://' . $parts['host'] . '/' . $parts['path'] . '; ' . 'File extension: ' . substr($parts['path']], -4);

In this example, we're using parse_url() to parse the given URL string. We then extract information from the parsed parts array. Finally, we output a formatted string containing all extracted information.

To achieve this, you can use the following code:

$url = $_SERVER['REQUEST_URI'];

This will give you the full URL as it appears in the navigation bar of the web browser. However, keep in mind that this may not always be the correct URL if you have any masks defined in your .htaccess file.

I can help you with that! To retrieve the full URL, you can use a library or module specifically designed for handling URLs in PHP. One such library is lxml. Here's an example code snippet that demonstrates how to retrieve the full URL using lxml:

<?php
$url_element = new Element('a')->addAttribute('href', 'http://example.com'); // add your actual link here
$xml_response = simpleXML2HTML(new SimpleXMLElementParser($url_element)); // parse the XML response from a lxml element object
echo $xml_response; // display the full URL
?>

In this example, $actual_link is assigned to 'http://' + the hostname of the server (in this case, 'example.com') and the file name ('file.php'). The element('a')->addAttribute() function adds the actual link to a new element with the tag 'a'. This new element can then be parsed using new SimpleXMLElementParser($url_element). Finally, the simpleXML2HTML() method is used to convert the lxml element object into HTML. The resulting string is then displayed on the web page. Note: Make sure to replace 'file.php' with your actual file name in the code snippet provided.

Rules:

1. We have five developers (Developer 1, Developer 2, Developer 3, Developer 4 and Developer 5) each from a different country (USA, Australia, Canada, Japan and India). Each developer has been asked to write a unique line of PHP script. The lines of scripts are called: 'login_callback', 'read_file', 'connect_db', 'create_table', 'execute_sql'.

2. They have used different libraries or modules in their code which includes: 'lxml', 'dolby' (which stands for Digital Content), 'mssql', 'mysqldb', and 'xpath' (short for eXtracting path).

3. We also know the following clues:

   • Developer 1 who is from India used either lxml or mssql. He did not create a table or execute SQL commands in his code.

   • The developer that read the file used the xpath library. It was not Developer 2 from Australia, and it wasn’t a login script (login_callback)

   • Developer 3 used either 'lxml' or mssql but didn't write an SQL query (execute_sql).

   • The developer who created the table is neither Developer 5 nor the one from Japan. Also, he doesn't use dolby (Digital Content).

   • The developer who created a table also isn’t the same person who read the file.

   • Developer 4 didn’t use lxml or xpath and is not from USA.

Question: Match each developer to his/her country, which library they used in their script and what function they performed.

Start by identifying that since Developer 1 used either the lxml or mssql libraries and did not create a table or execute SQL commands (by deductive logic) we know that he/she must have written a login_callback or read_file script using xpath because all other functions are taken. But as per clue 3, if he used the xpath library then it will contradict with clue 1 where it is said 'he didn't write an SQL query (execute_sql)'. Hence, Developer 1 wrote the login_callback function in his/her code.

By a proof by contradiction, since we've established that Developer 1 created the login_callback and doesn't use either lxml or xpath then he used mssql library to create 'Login Button'.

From Clue 2, developer who read file used xpath library which isn’t the login script (Login button). As the only two functions left for Developer 2 are 'create a table' and 'execute sql' (as it's also stated in Clue 1) but they can't be created by Developer 5 or Japan (Clue 4), then these two scripts must belong to Developer 3 & 4. Since Developer 4 didn’t use the xpath library, he must have used lxml as Developer 2 couldn’t have used it due to clues 3 and 4. Therefore, Developer 4 used mssql for create table (Clue 3) and execute SQL commands (as this is all that's left). The developer who created a table also isn't the same person who read the file (clue 5), so we know that Developer 2 read the file as 'create table' was not performed.

Using Inductive Logic, we can say that Developer 3 executed SQL commands and Developer 5 is from Japan since all other countries are assigned. Also, it's clear that Developer 4 used dolby (Digital Content) due to clues 4 and 6. Therefore, the only library left for Developer 2 is mysqldb.

Answer:

• Developer 1 is from India and wrote the login_callback script using the mssql library.
• Developer 2 is from Australia and read a file using the xpath library.
• Developer 3 is from Japan and executed SQL commands using mysqldb library.
• Developer 4 is from Canada, created table using the dolby library and executed SQL using lxml library.
• Developer 5 is from USA and wrote code for creating a login button using 'dolby' library.

Solution:

To get the full URL that appears in the navigation bar, you can use the following code:

$full_url = $_SERVER['REQUEST_URI'];

Explanation:

• $_SERVER['REQUEST_URI'] - This variable contains the full request URI, which includes the path and query string.
• $_SERVER['HTTP_HOST'] - This variable contains the host name and port number of the server.

Example:

If your website is example.com and you access a page at /hello, the following code will output:

$full_url = $_SERVER['REQUEST_URI'];
echo $full_url; // Output: /hello

Note:

• This method will not include any query string parameters. If you need to get the query string parameters, you can use the $_GET superglobal variable.
• The output of this code will be the exact URL that is displayed in the navigation bar, regardless of any URL masks or rewrite rules that may be in place.

To get the full URL in PHP you can use either of two methods depending on whether or not your website has been served over HTTPS:

For non-HTTPS (HTTP) server requests:

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

For HTTPS requests:

if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") {
    $pageURL = 'https://';
} else {
    $pageURL = 'http://';
}

if ($_SERVER["SERVER_PORT"] != "80") {
    $pageURL .= $_SERVER["SERVER_NAME"].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
} else {
    $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
}
echo $pageURL;

In these scripts, $_SERVER['HTTP_HOST'] gets the domain and port of your site if it is served on a non-standard port, while $_SERVER['REQUEST_URI'] gives you the path. If server is not accessed via HTTPS, it uses 'http' as prefix, otherwise it uses 'https'.