function common_valid_http_url($url, $secure=false)
{
+ if (empty($url)) {
+ return false;
+ }
+
// If $secure is true, only allow https URLs to pass
// (if false, we use '?' in 'https?' to say the 's' is optional)
$regex = $secure ? '/^https$/' : '/^https?$/';
function common_strip_html($html, $trim=true, $save_whitespace=false)
{
+ // first replace <br /> with \n
+ $html = preg_replace('/\<(\s*)?br(\s*)?\/?(\s*)?\>/i', "\n", $html);
+ // then, unless explicitly avoided, remove excessive whitespace
if (!$save_whitespace) {
$html = preg_replace('/\s+/', ' ', $html);
}