diff --git a/examples/src/client/asyncInvoke.php b/examples/src/client/asyncInvoke.php
new file mode 100644
index 00000000..9a88e93a
--- /dev/null
+++ b/examples/src/client/asyncInvoke.php
@@ -0,0 +1,17 @@
+<?php
+require_once "../../vendor/autoload.php";
+
+use Hprose\Client;
+
+$client = Client::create('http://hprose.com/example/');
+
+$client->sum(1, 2)
+       ->then(function($result) use ($client) {
+            return $client->sum($result, 3);
+       })
+       ->then(function($result) use ($client) {
+            return $client->sum($result, 4);
+       })
+       ->then(function($result) {
+            var_dump($result);
+       });
\ No newline at end of file
diff --git a/examples/src/client/asyncInvoke1.php b/examples/src/client/asyncInvoke1.php
new file mode 100644
index 00000000..648bc59c
--- /dev/null
+++ b/examples/src/client/asyncInvoke1.php
@@ -0,0 +1,12 @@
+<?php
+require_once "../../vendor/autoload.php";
+
+use Hprose\Client;
+
+$client = Client::create('http://hprose.com/example/');
+
+$client->sum($client->sum($client->sum(1, 2), 3), 4)
+       ->then(function($result) {
+            var_dump($result);
+       });
+       
\ No newline at end of file
diff --git a/examples/src/client/asyncInvoke2.php b/examples/src/client/asyncInvoke2.php
new file mode 100644
index 00000000..45f59778
--- /dev/null
+++ b/examples/src/client/asyncInvoke2.php
@@ -0,0 +1,12 @@
+<?php
+require_once "../../vendor/autoload.php";
+
+use Hprose\Client;
+use Hprose\Future;
+
+$client = Client::create('http://hprose.com/example/');
+
+$var_dump = Future\wrap('var_dump');
+$sum = $client->sum;
+
+$var_dump($sum($sum($sum(1, 2), 3), 4));
\ No newline at end of file
diff --git a/examples/src/client/asyncInvoke3.php b/examples/src/client/asyncInvoke3.php
new file mode 100644
index 00000000..dc7d49a6
--- /dev/null
+++ b/examples/src/client/asyncInvoke3.php
@@ -0,0 +1,15 @@
+<?php
+require_once "../../vendor/autoload.php";
+
+use Hprose\Client;
+use Hprose\Future;
+
+$client = Client::create('http://hprose.com/example/');
+
+$var_dump = Future\wrap('var_dump');
+$sum = $client->sum;
+
+$r1 = $sum(1, 3, 5, 7, 9);
+$r2 = $sum(2, 4, 6, 8, 10);
+$r3 = $sum($r1, $r2);
+$var_dump($r1, $r2, $r3);
\ No newline at end of file
diff --git a/examples/src/client/byref.php b/examples/src/client/byref.php
new file mode 100644
index 00000000..cdd74c62
--- /dev/null
+++ b/examples/src/client/byref.php
@@ -0,0 +1,25 @@
+<?php
+require_once "../../vendor/autoload.php";
+
+use Hprose\Client;
+use Hprose\InvokeSettings;
+
+$client = Client::create('http://hprose.com/example/', false);
+
+$weeks = array(
+    'Monday' => 'Mon',
+    'Tuesday' => 'Tue',
+    'Wednesday' => 'Wed',
+    'Thursday' => 'Thu',
+    'Friday' => 'Fri',
+    'Saturday' => 'Sat',
+    'Sunday' => 'Sun'
+);
+
+$args = array($weeks);
+$client->invoke('swapKeyAndValue', $args, new InvokeSettings(array('byref' => true)));
+var_dump($args[0]);
+
+$client->swapKeyAndValue($weeks, function($result, $args) {
+    var_dump($args[0]);
+}, array('byref' => true));
\ No newline at end of file
diff --git a/examples/src/client/byref1.php b/examples/src/client/byref1.php
new file mode 100644
index 00000000..5139370e
--- /dev/null
+++ b/examples/src/client/byref1.php
@@ -0,0 +1,23 @@
+<?php
+require_once "../../vendor/autoload.php";
+
+use Hprose\Client;
+
+$client = Client::create('http://hprose.com/example/', false);
+
+$weeks = array(
+    'Monday' => 'Mon',
+    'Tuesday' => 'Tue',
+    'Wednesday' => 'Wed',
+    'Thursday' => 'Thu',
+    'Friday' => 'Fri',
+    'Saturday' => 'Sat',
+    'Sunday' => 'Sun'
+);
+
+$args = array($weeks);
+
+$client->swapKeyAndValue["byref"] = true;
+$client->swapKeyAndValue($weeks, function($result, $args) {
+    var_dump($args[0]);
+});
\ No newline at end of file
diff --git a/examples/src/client/mode.php b/examples/src/client/mode.php
new file mode 100644
index 00000000..c5faf3c3
--- /dev/null
+++ b/examples/src/client/mode.php
@@ -0,0 +1,13 @@
+<?php
+require_once "../../vendor/autoload.php";
+
+use Hprose\Client;
+use Hprose\InvokeSettings;
+use Hprose\ResultMode;
+
+$client = Client::create('http://hprose.com/example/', false);
+
+var_dump($client->hello("World", new InvokeSettings(array('mode' => ResultMode::Normal))));
+var_dump($client->hello("World", new InvokeSettings(array('mode' => ResultMode::Serialized))));
+var_dump($client->hello("World", new InvokeSettings(array('mode' => ResultMode::Raw))));
+var_dump($client->hello("World", new InvokeSettings(array('mode' => ResultMode::RawWithEndTag))));