Use zero port in socket_(export|import)_stream-4-win.phpt

These regularly fail due to port clashes, though we don't seem to
use those ports in any other tests.

As we don't care about the specific port that is used here, pass
zero so that a random ephemeral port is used.

ext/sockets/tests/socket_export_stream-4-win.phpt

@@ -30,34 +30,34 @@ function test($stream, $sock) {
 
 echo "normal\n";
 $sock0 = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
-socket_bind($sock0, '0.0.0.0', 58380);
+socket_bind($sock0, '0.0.0.0', 0);
 $stream0 = socket_export_stream($sock0);
 test($stream0, $sock0);
 
 echo "\nunset stream\n";
 $sock1 = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
-socket_bind($sock1, '0.0.0.0', 58381);
+socket_bind($sock1, '0.0.0.0', 0);
 $stream1 = socket_export_stream($sock1);
 unset($stream1);
 test(null, $sock1);
 
 echo "\nunset socket\n";
 $sock2 = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
-socket_bind($sock2, '0.0.0.0', 58382);
+socket_bind($sock2, '0.0.0.0', 0);
 $stream2 = socket_export_stream($sock2);
 unset($sock2);
 test($stream2, null);
 
 echo "\nclose stream\n";
 $sock3 = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
-socket_bind($sock3, '0.0.0.0', 58383);
+socket_bind($sock3, '0.0.0.0', 0);
 $stream3 = socket_export_stream($sock3);
 fclose($stream3);
 test($stream3, $sock3);
 
 echo "\nclose socket\n";
 $sock4 = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
-socket_bind($sock4, '0.0.0.0', 58484);
+socket_bind($sock4, '0.0.0.0', 0);
 $stream4 = socket_export_stream($sock4);
 socket_close($sock4);
 test($stream4, $sock4);

ext/sockets/tests/socket_import_stream-4-win.phpt

@@ -29,30 +29,30 @@ function test($stream, $sock) {
 }
 
 echo "normal\n";
-$stream0 = stream_socket_server("udp://0.0.0.0:58387", $errno, $errstr, STREAM_SERVER_BIND);
+$stream0 = stream_socket_server("udp://0.0.0.0:0", $errno, $errstr, STREAM_SERVER_BIND);
 $sock0 = socket_import_stream($stream0);
 test($stream0, $sock0);
 
 echo "\nunset stream\n";
-$stream1 = stream_socket_server("udp://0.0.0.0:58388", $errno, $errstr, STREAM_SERVER_BIND);
+$stream1 = stream_socket_server("udp://0.0.0.0:0", $errno, $errstr, STREAM_SERVER_BIND);
 $sock1 = socket_import_stream($stream1);
 unset($stream1);
 test(null, $sock1);
 
 echo "\nunset socket\n";
-$stream2 = stream_socket_server("udp://0.0.0.0:58389", $errno, $errstr, STREAM_SERVER_BIND);
+$stream2 = stream_socket_server("udp://0.0.0.0:0", $errno, $errstr, STREAM_SERVER_BIND);
 $sock2 = socket_import_stream($stream2);
 unset($sock2);
 test($stream2, null);
 
 echo "\nclose stream\n";
-$stream3 = stream_socket_server("udp://0.0.0.0:58390", $errno, $errstr, STREAM_SERVER_BIND);
+$stream3 = stream_socket_server("udp://0.0.0.0:0", $errno, $errstr, STREAM_SERVER_BIND);
 $sock3 = socket_import_stream($stream3);
 fclose($stream3);
 test($stream3, $sock3);
 
 echo "\nclose socket\n";
-$stream4 = stream_socket_server("udp://0.0.0.0:58391", $errno, $errstr, STREAM_SERVER_BIND);
+$stream4 = stream_socket_server("udp://0.0.0.0:0", $errno, $errstr, STREAM_SERVER_BIND);
 $sock4 = socket_import_stream($stream4);
 socket_close($sock4);
 test($stream4, $sock4);