Fix bug GH-11600: Can't parse time strings which include (narrow) non-breaking space characters

Author: derickr

NEWS

@@ -21,6 +21,8 @@ PHP                                                                        NEWS
 
 - Date:
   . Fixed bug GH-11368 (Date modify returns invalid datetime). (Derick)
+  . Fixed bug GH-11600 (Can't parse time strings which include (narrow)
+    non-breaking space characters). (Derick)
 
 - DOM:
   . Fixed bug GH-11625 (DOMElement::replaceWith() doesn't replace node with

ext/date/tests/bug-gh11600.phpt

@@ -0,0 +1,19 @@
+--TEST--
+Bug GH-11600: Intl patterns are not parseable DateTime Strings
+--INI--
+date.timezone=UTC
+--FILE--
+<?php
+$formatter = new IntlDateFormatter('en_US', -1, 3);
+$pattern = $formatter->getPattern();
+
+$timeString = $formatter->format(strtotime('2023-07-11 16:02'));
+
+$timestamp = strtotime($timeString);
+
+var_dump($pattern, $timeString, $timestamp);
+?>
+--EXPECTF--
+string(8) "h:mm a"
+string(9) "4:02 PM"
+int(1689091320)