--- /dev/null
+# http\Client http\Client::notify([http\Client\Request $request = NULL[, object $progress = NULL]])
+
+Implements SplSubject. Notify attached observers about progress with $request.
+
+## Params:
+
+* Optional http\Client\Request $request = NULL
+ The request to notify about.
+* Optional object $progress = NULL
+ stdClass instance holding progress information.
+
+## Returns:
+
+* http\Client, self.
+
+## Example:
+
+ <?php
+ class Observer implements SplObserver {
+ function update(SplSubject $client, http\Client\Request $request = NULL, $progress = NULL) {
+ printf("%s %d%%\n", $progress->info,
+ $progress->dltotal ? ($progress->dlnow*100/$progress->dltotal) : 0);
+ }
+ }
+
+ $client = new http\Client;
+
+ $client->attach(new Observer);
+ $client->enqueue(new http\Client\Request("GET", "https://php.net/images/logos/php-logo.eps"));
+ $client->send();
+ ?>
+
+May yield:
+
+ start 0%
+ setup 0%
+ setup 0%
+ setup 0%
+ setup 0%
+ setup 0%
+ resolve 0%
+ connect 0%
+ connected 0%
+ connected 0%
+ connected 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ ssl negotiation 0%
+ blacklist check 0%
+ receive 10%
+ receive 20%
+ receive 30%
+ receive 40%
+ receive 50%
+ receive 60%
+ receive 70%
+ receive 80%
+ receive 90%
+ receive 100%
+ receive 100%
+ not disconnected 100%
+ finished 100%