PHP Exercises : Return url components

Last update on May 26 2025 13:16:57 (UTC/GMT +8 hours)

8. Parse URL Components

Write a PHP script, which will return the following components of the url 'https://www.w3resource.com/php-exercises/php-basic-exercises.php'.

List of components : Scheme, Host, Path

What is a URL?

URL stands for Uniform Resource Locator. It is used to specify its location on a computer network and a mechanism for retrieving it. A URL is the fundamental network identification for any resource connected to the web (e.g., hypertext pages, images, and sound files).

URLs have the following format:

protocol://hostname/other_information

For example, the URL for w3resource's PHP basic exercises page is:

'https://www.w3resource.com/php-exercises/php-basic-exercises.php';

Sample Solution:

PHP Code:

<?php
// Define the URL to be parsed
$url = 'https://www.w3resource.com/php-exercises/php-basic-exercises.php';
// Parse the URL and store its components in the $url variable
$url = parse_url($url);
// Display the scheme (protocol) of the parsed URL
echo 'Scheme : ' . $url['scheme'] . "\n";
// Display the host (domain) of the parsed URL
echo 'Host : ' . $url['host'] . "\n";
// Display the path of the parsed URL
echo 'Path : ' . $url['path'] . "\n";
?>

Sample Output:

Scheme : http 
Host : www.w3resource.com 
Path : /php-exercises/php-basic-exercises.php

Explanation:

Here's a brief explanation of the above exercise:

• $url = 'https://www.w3resource.com/php-exercises/php-basic-exercises.php';
• Defines a URL string to be parsed.
• $url = parse_url($url);
• Parses the defined URL using the "parse_url()" function and stores the components (scheme, host, path, etc.) in the '$url' variable.
• echo 'Scheme : ' . $url['scheme'] . "\n";
• Displays the scheme (protocol) of the parsed URL.
• echo 'Host : ' . $url['host'] . "\n";
• Displays the host (domain) of the parsed URL.
• echo 'Path : ' . $url['path'] . "\n";
• Displays the path of the parsed URL.

Flowchart:

For more Practice: Solve these Related Problems:

• Write a PHP script to extract and display query parameters from a complex URL string.
• Write a PHP script to deconstruct a URL into its components and then reconstruct it manually.
• Write a PHP script to validate the URL structure and output each component on a separate line.
• Write a PHP script to detect changes in URL components after adding or removing query strings.

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