sockets add SO_RERROR/SO_ZEROIZE/SO_SPLICE net/openbsd's constants.

Closes GH-10563.

Author: devnexen

NEWS

@@ -106,6 +106,7 @@ PHP                                                                        NEWS
   . Added AF_DIVERT for raw socket for divert ports. (David Carlier)
   . Added SOL_UPDLITE, UDPLITE_RECV_CSCOV and UDPLITE_SEND_CSCOV for updlite
     protocol support. (David Carlier)
+  . Added SO_RERROR, SO_ZEROIZE and SO_SPLICE netbsd and openbsd constants.
 
 - Standard:
   . E_NOTICEs emitted by unserialize() have been promoted to E_WARNING. (timwolla)

UPGRADING

@@ -144,6 +144,9 @@ PHP 8.3 UPGRADE NOTES
   . SOL_UDPLITE.
   . UDPLITE_RECV_CSCOV.
   . UDPLITE_SEND_CSCOV.
+  . SO_RERROR (NetBSD only).
+  . SO_ZEROIZE (OpenBSD only).
+  . SO_SPLICE (OpenBSD only).
 
 ========================================
 11. Changes to INI File Handling

ext/sockets/sockets.stub.php

@@ -293,6 +293,27 @@
  */
 const SO_ACCEPTFILTER = UNKNOWN;
 #endif
+#ifdef SO_RERROR
+/**
+ * @var int
+ * @cvalue SO_RERROR
+ */
+const SO_RERROR = UNKNOWN;
+#endif
+#ifdef SO_SOPLICE
+/**
+ * @var int
+ * @cvalue SO_SPLICE
+ */
+const SO_SPLICE = UNKNOWN;
+#endif
+#ifdef SO_ZEROIZE
+/**
+ * @var int
+ * @cvalue SO_ZEROIZE
+ */
+const SO_ZEROIZE = UNKNOWN;
+#endif
 #ifdef SOL_FILTER
 /**
  * @var int