Mod Rewrite Made Easy
<?php/*
Rewrite Function
This function accepts an input and parses it into the $_GET, $_REQUEST, and $HTTP_GET_VARS Globals
If your script relies on register_globals being enbaled
call extract( $_GET, EXTR_OVERWRITE );
after runnng this function to reregister the $_GET array pair values in to the global namespace
input:
$request = the string variable you need parsed into the global namespace
$array_delim = the array pair value deliminator
$pair_delim = the deliminator that seperates pair names from pairs values
returns:
void or no return value;
Example Usage:
-------------------------------------------------------------------------------
In the .htaccess you have:
RewriteEngine On
RewriteBase /
RewriteRule ^somepage/(.*)\.html somepage.php?rewrite=$1
Your links:
Your original link url was: http://yoursite.com/somepage.php?id=20&name=funny
You change your url to: http://yoursite.com/somepage/id-20/name-funny.html
In the script somepage.php you put this at the top:
<?php
if( $_GET['rewrite'])
{
$request = $_GET['rewrite'];
mod_rewrite( $request, '/', '-' );
# if you have register_globals enables uncomment the following
# extract( $_GET, EXTR_OVERWRITE );
}
?>
What happenes when a user clicks the link:
User sends request for "somepage/id-20/name-funny.html"
ModRewrite Engine is on and request matches pattern matches "somepage/"
ModRewrite engine changes the request to somepage.php?rewrite=id-20/name-funny
The PHP engine is called and the script is run
the $_GET['rewrite'] is processed by the mod_rewrite function
the mod_rewrite function changes this value "id-20/name-funny" into
$_GET['id'] = '20';
$_GET['name'] = 'funny';
then if you depend on register_globals being on ( read converting an old script )
you call this:
extract( $_GET, EXTR_OVERWRITE );
right after the mod_rewrite function to put all the new $_GET variables into the global name space
viola !
mod_rewite made relatively easy
*/
function mod_rewrite( $request, $array_delim, $pair_delim )
{
global $_GET, $HTTP_GET_VARS, $_REQUEST;
$value_pairs = explode( $array_delim, $request );
$make_global = array();
foreach( $value_pairs as $pair )
{
$pair = explode( $pair_delim, $pair );
$_GET[$pair] = $pair;
$_REQUEST[$pair] = $pair;
$HTTP_GET_VARS[$pair] = $pair;
}
}
?> PHP,,,,,,,,,,,,,,,,,,,,晕眩。
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