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parse_url

Name

parse_url — Breaks a URL into its various components.

Synopsis

array parse_url(URL);
string URL: URL to parse

Returns

Array containing the various components of the URL;

Description

parse_url() returns an associative array that contains the various components of the given URL. This function can recognize the following components:

Component Description
scheme The protocol being used. Common schemes are FTP, HTTP, Telnet, and so on.
host The domain name of a network host, or an IPv4 address as a set of four decimal digit groups separated by literal periods; for example, www.php.net or babelfish.altavista.com
port The port being accessed. In the URL http://www.some_host.com:443/, 443 is the port component.
user The username being passed for authentication. In the URL ftp://some_user:some_password@ftp.host.com/, some_user would be the user component.
pass The password being passed for authentication. In the above example, some_password would be the pass component.
path The path component contains the location to the requested resource on the given host. In the URL http://www.foo.com/test/test.php, /test/test.php is the path component.
query The query string for the request. In the URL http://www.newriders.com/books/title.cfm?isbn=1578701902, isbn=1578701902 is the query component.
fragment Provides additional retrieval information for the resource referenced by the URL. In the URL http://www.some.host.name.com/index.html#index, index is the fragment component.


For detailed information on URLs (and URIs), consult RFC 2396.

Version

PHP Version: 3+, 4+

Example

Example 1367. Break some URLs into their components

// Make array of URLs to work with
$URLs = array (
    'http://www.foo.com/pub/bar/baz.php?query+data',
    'http://www.yahoo.com/index.html#news',
    'ftp://username:password@ftp.netscape.com/'
);

// Loop through each array and display its components
foreach ($URLs as $URL) {
    print "\n$URL\n";
    print_r (parse_url ($URL));
}

Output:
http://www.foo.com/pub/bar/baz.php?query+data
Array
(
    [scheme] => http
    [host] => www.foo.com
    [path] => /pub/bar/baz.php
    [query] => query+data
)

http://www.yahoo.com/index.html#news
Array
(
    [scheme] => http
    [host] => www.yahoo.com
    [path] => /index.html
    [fragment] => news
)

ftp://username:password@ftp.netscape.com/
Array
(
    [scheme] => ftp
    [host] => ftp.netscape.com
    [user] => username
    [pass] => password
    [path] => /
)



PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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