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 $text;
}
}
public static function add($username, $password, $realname)
{
// escape input
$username = Fari_Escape::html($username);
$password = Fari_Escape::html($password);
$realname = Fari_Escape::html(Fari_Decode::javascript($realname));
// verify that credentials are provided in a valid form
if (!empty($username) && ctype_alnum($username) && strlen($username) <= 10) {
if (!empty($password) && ctype_alnum($password) && strlen($password) <= 10) {
if (!empty($realname) && strlen($realname) <= 100) {
// all OK, db insert
Fari_Db::insert('users', array('username' => $username, 'password' => sha1($password), 'realname' => $realname));
Fari_Message::success("Welcome {$realname}!");
return TRUE;
} else {
Fari_Message::fail("Please provide a valid real name.");
}
} else {
Fari_Message::fail("Please provide a valid password.");
}
} else {
Fari_Message::fail("Please provide a valid username.");
}
return FALSE;
}
/**
* Format mixed variables for output
* @param <type> $mixed
* @return <type>
*/
public static function formatVars($mixed)
{
// we are working in HTML context
//$mixed = Fari_Escape::html($mixed);
if ($mixed === NULL) {
$mixed = '<em>NULL</em>';
} else {
if (empty($mixed)) {
$mixed = '<em>empty</em>';
} else {
if (is_string($mixed)) {
$mixed = Fari_Escape::html($mixed);
} else {
ob_start();
var_dump($mixed);
$mixed = ob_get_contents();
ob_clean();
$mixed = explode("\n", $mixed);
foreach ($mixed as &$line) {
// how big is the whitespace on the left?
$padding = strlen($line) - strlen(ltrim($line));
// add extra padding for better readability
for ($i = 0; $i < $padding; $i++) {
$line = " " . $line;
}
// if our line contains a value give it extra pad
if (strpos($trimmed = ltrim($line), "[") !== FALSE) {
// highlight array key
$line = str_replace("[", "<strong>[", $line);
$line = str_replace("]", "]</strong>", $line);
} else {
if (substr(trim($line), 0) != "}") {
$line = " " . $line;
}
}
$line = substr($line, 3);
}
$mixed = implode("\n", $mixed);
}
}
}
return $mixed;
}
