private function filterLinkify($text)
{
$urls = explode(' ', $text);
$containsLink = FALSE;
foreach ($urls as &$link) {
if (Fari_Filter::isURL($link)) {
$containsLink = TRUE;
// do we have a YouTube video?
// source: http://www.youtube.com/watch?v=nBBMnY7mANg&feature=popular
// target: <img src="http://img.youtube.com/vi/nBBMnY7mANg/0.jpg" alt="0">
if (stripos(strtolower($link), 'youtube') !== FALSE) {
$url = parse_url($link);
parse_str($url[query], $query);
// replace link with an image 'boosted' link :)
$link = '<a class="youtube" target="_blank" href="' . $link . '"><img src="http://img.youtube.com/vi/' . $query['v'] . '/0.jpg" alt="YouTube"></a>';
} else {
// plain old link
$link = '<a target="_blank" href="' . $link . '">' . $link . '</a>';
}
// convert so we can insert into DB
$link = Fari_Escape::html($link);
}
}
if ($containsLink) {
return implode(' ', $urls);
} else {
return $text;
}
}
/**
* Transforms all URLs or e-mail addresses within the string into clickable HTML links.
* @param string $string email or url
* @param string $ref reference to the link (optional)
* @param string $type link/email (optional)
*/
function autoLink($string, $ref = NULL, $type = NULL)
{
// target reference
if (!isset($ref)) {
$ref = $string;
}
// it's an email
if ($type == 'email' || Fari_Filter::isEmail($string)) {
echo "<a href=\"mailto:{$string}\">{$ref}</a>";
// or a link
} else {
// formed URL, just echo as a link
if (Fari_Filter::isURL($string)) {
echo '<a href="' . $string . '">' . $ref . '</a>';
} else {
// prefix with BASEPATH so we can link internally
if (substr($string, 0, 1) !== '/') {
$string = "/{$string}";
}
echo '<a href="' . WWW_DIR . $string . '">' . $ref . '</a>';
}
}
}
