diff --git a/ext/sockets/tests/socket_export_stream-1.phpt b/ext/sockets/tests/socket_export_stream-1.phpt
index b2a01ddcca1..9b832a80aac 100644
--- a/ext/sockets/tests/socket_export_stream-1.phpt
+++ b/ext/sockets/tests/socket_export_stream-1.phpt
@@ -5,7 +5,7 @@ sockets
 --FILE--
 <?php
 
-$domain = (strtoupper(substr(PHP_OS, 0, 3) == 'WIN') ? AF_INET : AF_UNIX);
+$domain = PHP_OS_FAMILY == 'Windows' ? AF_INET : AF_UNIX;
 socket_create_pair($domain, SOCK_STREAM, 0, $s);
 
 $s0 = reset($s);
diff --git a/ext/sockets/tests/socket_export_stream-3.phpt b/ext/sockets/tests/socket_export_stream-3.phpt
index 7c72128e7ec..24099f8691d 100644
--- a/ext/sockets/tests/socket_export_stream-3.phpt
+++ b/ext/sockets/tests/socket_export_stream-3.phpt
@@ -34,7 +34,7 @@ $br = socket_bind($sendsock, '127.0.0.1');
 $so = socket_sendto($sendsock, $m = "my message", strlen($m), 0, "224.0.0.23", $port);
 var_dump($so);
 
-stream_set_blocking($stream, 0);
+stream_set_blocking($stream, false);
 var_dump(fread($stream, strlen($m)));
 echo "Done.\n";
 ?>
diff --git a/ext/sockets/tests/socket_export_stream-4.phpt b/ext/sockets/tests/socket_export_stream-4.phpt
index 512a62379e9..a3879a93b7c 100644
--- a/ext/sockets/tests/socket_export_stream-4.phpt
+++ b/ext/sockets/tests/socket_export_stream-4.phpt
@@ -16,7 +16,7 @@ function test($stream, $sock) {
     if ($stream !== null) {
         echo "stream_set_blocking ";
         try {
-            print_r(stream_set_blocking($stream, 0));
+            print_r(stream_set_blocking($stream, false));
         } catch (Error $e) {
             echo get_class($e), ": ", $e->getMessage(), "\n";
         }
diff --git a/ext/sockets/tests/socket_import_stream-1.phpt b/ext/sockets/tests/socket_import_stream-1.phpt
index 80d3069fc01..8d5ec01cd7d 100644
--- a/ext/sockets/tests/socket_import_stream-1.phpt
+++ b/ext/sockets/tests/socket_import_stream-1.phpt
@@ -5,7 +5,7 @@ sockets
 --FILE--
 <?php
 
-$domain = (strtoupper(substr(PHP_OS, 0, 3) == 'WIN') ? STREAM_PF_INET : STREAM_PF_UNIX);
+$domain = PHP_OS_FAMILY == 'Windows' ? STREAM_PF_INET : STREAM_PF_UNIX;
 $s = stream_socket_pair($domain, STREAM_SOCK_STREAM, 0);
 
 $s0 = reset($s);
diff --git a/ext/sockets/tests/socket_import_stream-3.phpt b/ext/sockets/tests/socket_import_stream-3.phpt
index efd806da940..82d9a73b899 100644
--- a/ext/sockets/tests/socket_import_stream-3.phpt
+++ b/ext/sockets/tests/socket_import_stream-3.phpt
@@ -34,7 +34,7 @@ $br = socket_bind($sendsock, '127.0.0.1');
 $so = socket_sendto($sendsock, $m = "my message", strlen($m), 0, "224.0.0.23", 58379);
 var_dump($so);
 
-stream_set_blocking($stream, 0);
+stream_set_blocking($stream, false);
 var_dump(fread($stream, strlen($m)));
 echo "Done.\n";
 ?>
diff --git a/ext/sockets/tests/socket_import_stream-4.phpt b/ext/sockets/tests/socket_import_stream-4.phpt
index 25e425961f6..efe987dfdce 100644
--- a/ext/sockets/tests/socket_import_stream-4.phpt
+++ b/ext/sockets/tests/socket_import_stream-4.phpt
@@ -4,8 +4,7 @@ socket_import_stream: effects of closing
 sockets
 --SKIPIF--
 <?php
-
-if(substr(PHP_OS, 0, 3) == 'WIN' ) {
+if (PHP_OS_FAMILY === 'Windows') {
   die("skip Not Valid for Windows");
 }
 ?>
@@ -16,7 +15,7 @@ function test($stream, $sock) {
     if ($stream !== null) {
         echo "stream_set_blocking ";
         try {
-            print_r(stream_set_blocking($stream, 0));
+            print_r(stream_set_blocking($stream, false));
         } catch (Error $e) {
             echo get_class($e), ": ", $e->getMessage(), "\n";
         }