link_cleanup_url($url, $protocol = "http")
contributions/link/link.module, line 689
Forms a valid URL if possible from an entered address. Trims whitespace and automatically adds an http:// to addresses without a protocol specified
string $url
string $protocol The protocol to be prepended to the url if one is not specified
<?php
function link_cleanup_url($url, $protocol = "http") {
$url = trim($url);
$type = link_validate_url($url);
if ($type == LINK_EXTERNAL) {
// Check if there is no protocol specified.
$protocol_match = preg_match("/^([a-z0-9][a-z0-9\.\-_]*:\/\/)/i",$url);
if (empty($protocol_match)) {
// But should there be? Add an automatic http:// if it starts with a domain name.
$domain_match = preg_match('/^(([a-z0-9]([a-z0-9\-_]*\.)+)('. LINK_DOMAINS .'|[a-z]{2}))/i',$url);
if (!empty($domain_match)) {
$url = $protocol."://".$url;
}
}
}
return $url;
}
?>