'_blank',
'images' => true,
'img_ext' => array('jpg', 'jpeg', 'gif', 'png'),
'css_inline' => null,
'css_footnote' => null,
'css_descr' => null,
'css_img' => null
);
/**
*
* Renders a token into text matching the requested format.
*
* @access public
*
* @param array $options The "options" portion of the token (second
* element).
*
* @return string The text rendered from the token options.
*
*/
function token($options)
{
// create local variables from the options array (text,
// href, type)
extract($options);
// find the rightmost dot and determine the filename
// extension.
$pos = strrpos($href, '.');
$ext = strtolower(substr($href, $pos + 1));
$href = htmlspecialchars($href);
// does the filename extension indicate an image file?
if ($this->getConf('images') &&
in_array($ext, $this->getConf('img_ext', array()))) {
// create alt text for the image
if (! isset($text) || $text == '') {
$text = basename($href);
$text = htmlspecialchars($text);
}
// generate an image tag
$css = $this->formatConf(' class="%s"', 'css_img');
$output = "";
} else {
// should we build a target clause?
if ($href{0} == '#' ||
strtolower(substr($href, 0, 7)) == 'mailto:') {
// targets not allowed for on-page anchors
// and mailto: links.
$target = '';
} else {
// allow targets on non-anchor non-mailto links
$target = $this->getConf('target');
}
// generate a regular link (not an image)
$text = htmlspecialchars($text);
$css = $this->formatConf(' class="%s"', "css_$type");
$output = "';
}
}
return $output;
}
}
?>