THRIFT-347. php: PHP TSocket Timeout Issues

This patch appears to correct the infamous timeout issues.

Patch: Tyler Hobbs

git-svn-id: https://svn.apache.org/repos/asf/thrift/trunk@1036684 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/php/src/transport/TSocket.php b/lib/php/src/transport/TSocket.php
index bbe1987..6fd4825 100644
--- a/lib/php/src/transport/TSocket.php
+++ b/lib/php/src/transport/TSocket.php
@@ -241,9 +241,9 @@
     $pre = null;
     while (TRUE) {
       $buf = @fread($this->handle_, $len);
-      if ($buf === FALSE || $buf === '') {
+      if ($buf === FALSE) {
         $md = stream_get_meta_data($this->handle_);
-        if ($md['timed_out']) {
+        if (true === $md['timed_out'] && false === $md['blocked']) {
           throw new TTransportException('TSocket: timed out reading '.$len.' bytes from '.
                                $this->host_.':'.$this->port_);
         } else {
@@ -252,7 +252,7 @@
         }
       } else if (($sz = strlen($buf)) < $len) {
         $md = stream_get_meta_data($this->handle_);
-        if ($md['timed_out']) {
+        if (true === $md['timed_out'] && false === $md['blocked']) {
           throw new TTransportException('TSocket: timed out reading '.$len.' bytes from '.
                                $this->host_.':'.$this->port_);
         } else {
@@ -277,9 +277,9 @@
       $this->sendTimeoutSet_ = FALSE;
     }
     $data = @fread($this->handle_, $len);
-    if ($data === FALSE || $data === '') {
+    if ($data === FALSE) {
       $md = stream_get_meta_data($this->handle_);
-      if ($md['timed_out']) {
+      if (true === $md['timed_out'] && false === $md['blocked']) {
         throw new TTransportException('TSocket: timed out reading '.$len.' bytes from '.
                              $this->host_.':'.$this->port_);
       } else {