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<?php
/**
*
* Embeds the results of a PHP script at render-time.
*
* @category Text
*
* @package Text_Wiki
*
* @author Paul M. Jones <pmjones@php.net>
*
* @license LGPL
*
* @version $Id: Embed.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
*
*/
/**
*
* Embeds the results of a PHP script at render-time.
*
* This class implements a Text_Wiki_Parse to embed the contents of a URL
* inside the page at render-time. Typically used to get script output.
* This differs from the 'include' rule, which incorporates results at
* parse-time; 'embed' output does not get parsed by Text_Wiki, while
* 'include' ouput does.
*
* This rule is inherently not secure; it allows cross-site scripting to
* occur if the embedded output has <script> or other similar tags. Be
* careful.
*
* @category Text
*
* @package Text_Wiki
*
* @author Paul M. Jones <pmjones@php.net>
*
*/
class Text_Wiki_Parse_Embed extends Text_Wiki_Parse {
var $conf = array(
'base' => '/path/to/scripts/'
);
var $file = null;
var $output = null;
var $vars = null;
/**
*
* The regular expression used to find source text matching this
* rule.
*
* @access public
*
* @var string
*
*/
var $regex = '/(\[\[embed )(.+?)( .+?)?(\]\])/i';
/**
*
* Generates a token entry for the matched text. Token options are:
*
* 'text' => The full matched text, not including the <code></code> tags.
*
* @access public
*
* @param array &$matches The array of matches from parse().
*
* @return A delimited token number to be used as a placeholder in
* the source text.
*
*/
function process(&$matches)
{
// save the file location
$this->file = $this->getConf('base', './') . $matches[2];
// extract attribs as variables in the local space
$this->vars = $this->getAttrs($matches[3]);
unset($this->vars['this']);
extract($this->vars);
// run the script
ob_start();
include($this->file);
$this->output = ob_get_contents();
ob_end_clean();
// done, place the script output directly in the source
return $this->wiki->addToken(
$this->rule,
array('text' => $this->output)
);
}
}
?>
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