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<?php
/*
* xmpp jid util functions.
*/
function getJidDomain($jid) {
if (null == $jid) {
return null;
}
$atIndex = strpos($jid, '@');
$slashIndex = strpos($jid, '/');
if ($slashIndex !== false) {
if ($slashIndex > $atIndex) {// 'local@domain.foo/resource' and 'local@domain.foo/res@otherres' case
return substr($jid, $atIndex + 1, $slashIndex - $atIndex - 1);
} else {// 'domain.foo/res@otherres' case
return substr($jid, 0, $slashIndex);
}
} else {
return substr($jid, $atIndex + 1);
}
}
function getJidLocalPart($jid) {
if ($jid == null) {
return null;
}
$atIndex = strpos($jid, '@');
if ($atIndex === false || $atIndex == 0) {
return "";
}
$slashIndex = strpos($jid, '/');
if ($slashIndex !== false && $slashIndex < $atIndex) {
return "";
} else {
return substr($jid, 0, $atIndex);
}
}
function getBareJid($jid) {
if ($jid == null) {
return null;
}
$slashIndex = strpos($jid, '/');
if ($slashIndex === false) {
return $jid;
} else if ($slashIndex == 0) {
return "";
} else {
return substr($jid, 0, $slashIndex);
}
}
function getResource($jid) {
if ($jid == null) {
return null;
}
$slashIndex = strpos($jid, '/');
if ($slashIndex + 1 > strlen($jid) || $slashIndex === false) {
return "";
} else {
return substr($jid, $slashIndex + 1);
}
}
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