Fix phpGH-10727: Spoofchecker constant updates.

- Adding MIXED_NUMBERS from ICU 58.
- Adding HIDDEN_OVERLAY from ICU 62.

Closes phpGH-10730.

Author: devnexen

NEWS

@@ -47,6 +47,8 @@ PHP                                                                        NEWS
 
 - Intl:
   . Added pattern format error infos for numfmt_set_pattern. (David Carlier)
+  . Added MIXED_NUMBERS and HIDDEN_OVERLAY constants for
+    the Spoofchecker's class. (David Carlier)
 
 - JSON:
   . Added json_validate(). (Juan Morales)
@@ -117,7 +119,8 @@ PHP                                                                        NEWS
   . 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.
-  . Added TCP_REPAIR for quietly close a connection.
+    (David Carlier)
+  . Added TCP_REPAIR for quietly close a connection. (David Carlier)
 
 - Standard:
   . E_NOTICEs emitted by unserialize() have been promoted to E_WARNING. (timwolla)

UPGRADING

@@ -143,6 +143,10 @@ PHP 8.3 UPGRADE NOTES
 10. New Global Constants
 ========================================
 
+- Intl:
+  . MIXED_NUMBERS (Spoofchecker).
+  . HIDDEN_OVERLAY (Spoofchecker).
+
 - PCNTL:
   . SIGINFO
 

ext/intl/spoofchecker/spoofchecker.stub.php

@@ -71,6 +71,18 @@ class Spoofchecker
      * @cvalue USPOOF_SINGLE_SCRIPT_RESTRICTIVE
      */
     public const SINGLE_SCRIPT_RESTRICTIVE = UNKNOWN;
+    /**
+     * @var int
+     * @cvalue USPOOF_MIXED_NUMBERS
+     */
+    public const MIXED_NUMBERS = UNKNOWN;
+#endif
+#if U_ICU_VERSION_MAJOR_NUM >= 62
+    /**
+     * @var int
+     * @cvalue USPOOF_HIDDEN_OVERLAY
+     */
+    public const HIDDEN_OVERLAY = UNKNOWN;
 #endif
 
     public function __construct() {}