Analyser une URL avec PCRE
Bonjour,
Je cherche à appliquer l'expression régulière POSIX fournie dans la RFC 3986 page 50 via une expression PCRE afin d'obtenir les différents composants d'une URL.
http://www.ietf.org/rfc/rfc3986.txt
J'ai créé une classe pour faire cela :
Code:
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| <?php
/**
* The default router has been designed to work closely with the default
* dispatcher. Both of these classes cannot be extended because they predefine a
* default strategy for the application if none is provided during bootstrap.
*
* The default router implements an observer design pattern, which means that
* any component implementing the observer interface (like default dispatcher)
* can be registered into the default router and be notified when the routing
* process has been done.
*
* This component is designed to analyze a request uri and return informations
* about its different parts to any component that could request it.
*/
final class router extends subject implements strategy
{
/**
* Contains the default uri components
* Example: http://www.ics.uci.edu/pub/ietf/uri/#Related
*
* ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
* 12 3 4 5 6 7 8 9
*
* $1 = http: $4 = www.ics.uci.edu $7 = <undefined>
* $2 = http $5 = /pub/ietf/uri/ $8 = #Related
* $3 = //www.ics.uci.edu $6 = <undefined> $9 = Related
*
* For more informations, see http://tools.ietf.org/html/rfc3986#page-50
*/
public $_components = array();
// Populate the _components list during construction
public function __construct()
{
$pcre = "`^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$`";
$url = strtolower(array_shift(explode('/',$_SERVER['SERVER_PROTOCOL'])))
. '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
preg_match_all( $pcre, $url, $this->_components );
}
// Notifies every attached observer
public function execute()
{
$this->notify();
}
// Return the requested components
public function __get( $component )
{
switch( $component )
{
case 'url': return $this->_components[0][0];
case 'scheme': return $this->_components[2][0];
case 'authority': return $this->_components[4][0];
case 'path': return $this->_components[5][0];
case 'query': return $this->_components[7][0];
case 'fragment': return $this->_components[9][0];
case 'components': return $this->_components;
default: throw new Exception( "property $component not found" );
}
}
} |
Cette classe semble fonctionner pas trop mal mais je n'arrive pas à obtenir le fragment situé après le # dans l'URL suivante :
http://localhost/index.php?afficher=76519#monfragment
Lorsque j'affiche mon tableau $_components, voici ce qui est retourné :
Citation:
Array
(
[0] => Array
(
[0] =>
http://localhost/index.php?afficher=76519
)
[1] => Array
(
[0] => http:
)
[2] => Array
(
[0] => http
)
[3] => Array
(
[0] => //localhost
)
[4] => Array
(
[0] => localhost
)
[5] => Array
(
[0] => /index.php
)
[6] => Array
(
[0] => ?afficher=76519
)
[7] => Array
(
[0] => afficher=76519
)
[8] => Array
(
[0] =>
)
[9] => Array
(
[0] =>
)
)
Il me manque la dernière partie (les entrées 8 et 9 du preg_match_all), quelqu'un saurait-il me dire pourquoi ?
