var_dump($args); echo "error: "; var_dump($error->getMessage()); }); var_dump($test->hello("world")); $test->ee(function ($result, $args, $error) { echo "result: "; var_dump($result); echo "args: "; var_dump($args); echo "error: "; var_dump($error->getMessage()); }); $test->dnslookup("www.baidu.com", function ($result, $args) { echo "result: "; var_dump($result); echo "args: "; var_dump($args); }); $test->dnslookup("www.hprose.com", function ($result, $args) { echo "result: "; var_dump($result); echo "args: "; var_dump($args); }); echo $test->asyncHello("WORLD"); $test->asyncHello("WORLD", function ($result) { echo "result: "; var_dump($result); }); $test->asyncHello("WORLD2", function ($result) { echo "result: ";