/**
* Perform formatting against a string for the img tag.
*
* @param Nbbc $bbcode Instance of Nbbc doing the parsing.
* @param int $action Value of one of NBBC's defined constants. Typically, this will be BBCODE_CHECK.
* @param string $name Name of the tag.
* @param string $default Value of the _default parameter, from the $params array.
* @param array $params A standard set parameters related to the tag.
* @param string $content Value between the open and close tags, if any.
* @return bool|string Formatted value.
*/
function doImage($bbcode, $action, $name, $default, $params, $content)
{
if ($action == Nbbc::BBCODE_CHECK) {
return true;
}
$content = trim($bbcode->unHtmlEncode(strip_tags($content)));
if (!$content && $default) {
$content = $default;
}
if ($bbcode->isValidUrl($content, false)) {
return "<img src=\"" . htmlspecialchars($content) . "\" alt=\"" . htmlspecialchars(basename($content)) . "\" class=\"bbcode_img\" />";
}
return htmlspecialchars($params['_tag']) . htmlspecialchars($content) . htmlspecialchars($params['_endtag']);
}