Closes sebastianbergmann#811

Author: sebastianbergmann

ChangeLog.md

@@ -2,6 +2,12 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## [9.1.11] - 2020-MM-DD
+
+### Fixed
+
+* [#811](https://github.com/sebastianbergmann/php-code-coverage/issues/811): `T_FN` constant is used on PHP 7.3 where it is not available
+
 ## [9.1.10] - 2020-09-18
 
 ### Added
@@ -272,6 +278,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 * Class names are now abbreviated (unqualified name shown, fully qualified name shown on hover) in the file view of the HTML report
 * Update HTML report to Bootstrap 4
 
+[9.1.11]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.10...master
 [9.1.10]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.9...9.1.10
 [9.1.9]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.8...9.1.9
 [9.1.8]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.7...9.1.8

src/Report/Html/Renderer/File.php

@@ -1091,7 +1091,6 @@ private static function keywordTokens(): array
             T_EXTENDS       => true,
             T_FINAL         => true,
             T_FINALLY       => true,
-            T_FN            => true,
             T_FOR           => true,
             T_FOREACH       => true,
             T_FUNCTION      => true,
@@ -1129,6 +1128,10 @@ private static function keywordTokens(): array
             T_YIELD_FROM    => true,
         ];
 
+        if (defined('T_FN')) {
+            self::$keywordTokens[constant('T_FN')] = true;
+        }
+
         if (defined('T_MATCH')) {
             self::$keywordTokens[constant('T_MATCH')] = true;
         }