function is_url($s)
{
// checks if string is a url
$is_url = false;
if (strlen($s) > 4 && isalpha($s[0]) && !strstr($s, '..') && substr_count($s, '.') == 2 && (substr($s, -4, 1) == '.' || substr($s, -3, 1) == '.')) {
$is_url = true;
}
if (filter_var($s, FILTER_VALIDATE_URL) != FALSE) {
$is_url = true;
}
return $is_url;
}
function is_url($s)
{
// checks if string is a url
$is_url = 0;
if (strlen($s) > 4 && isalpha($s[0]) && !strstr($s, '..') && substr_count($s, '.') == 2 && (substr($s, -4, 1) == '.' || substr($s, -3, 1) == '.')) {
$is_url = 1;
}
return $is_url;
}
