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Make install docs more comprehensive about encoding. Prompted by http://hp.jpsband.org/vanilla/comments.php?DiscussionID=2

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@392 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-09-09 21:10:04 +00:00
parent 5ee6ffe20f
commit 967f40fc11
1 changed files with 43 additions and 2 deletions
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45
INSTALL
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@ -35,7 +35,8 @@ but operating system is quite irrelevant in this particular case.
The library/ directory must be added to your path: HTML Purifier will not be
able to find the necessary includes otherwise. This is as simple as:
set_include_path('/path/to/htmlpurifier/library' . PATH_SEPARATOR . get_include_path());
set_include_path('/path/to/htmlpurifier/library' . PATH_SEPARATOR .
get_include_path() );
...replacing /path/to/htmlpurifier with the actual location of the folder. Don't
worry, HTML Purifier is namespaced so unless you have another file named
@ -58,6 +59,13 @@ is a (short) checklist:
* Have I specified XHTML 1.0 Transitional as the doctype?
* Have I specified UTF-8 as the character encoding?
To find out what these are, browse to your website and view its source code.
You can figure out the doctype from the a declaration that looks like
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
or no doctype. You can figure out the character encoding by looking for
<meta http-equiv="Content-type" content="text/html;charset=ENCODING">
I cannot stress the importance of these two bullets enough. Omitting either
of them could have dire consequences not only for security but for plain
old usability. You can find a more in-depth discussion of why this is needed
@ -70,7 +78,12 @@ dependent on iconv, and you'll be missing characters if the charset you
choose doesn't have them.
$config = HTMLPurifier_Config::createDefault();
$config->set('Core', 'Encoding', $encoding);
$config->set('Core', 'Encoding', /* put your encoding here */);
An example usage for Latin-1 websites:
$config = HTMLPurifier_Config::createDefault();
$config->set('Core', 'Encoding', 'ISO-8859-1');
@ -88,3 +101,31 @@ Or, if you're using the configuration object:
That's it. For more examples, check out docs/examples/. Also, SLOW gives
advice on what to do if HTML Purifier is slowing down your application.
4. Quick install
If your website is in UTF-8, use this code:
<?php
set_include_path('/path/to/htmlpurifier/library'
. PATH_SEPARATOR . get_include_path() );
require_once 'HTMLPurifier.php';
$purifier = new HTMLPurifier();
$clean_html = $purifier->purify($dirty_html);
If your website is in a different encoding, use this code:
<?php
set_include_path('/path/to/htmlpurifier/library'
. PATH_SEPARATOR . get_include_path() );
require_once 'HTMLPurifier.php';
$config = HTMLPurifier_Config::createDefault();
$config->set('Core', 'Encoding', 'ISO-8859-1'); //replace with your encoding
$purifier = new HTMLPurifier($config);
$clean_html = $purifier->purify($dirty_html);
?>