From: William Desportes <williamdes@wdes.fr>
Date: Sun, 13 Apr 2025 15:15:59 +0200
Subject: Fix PHP 8.4 new IntlDateFormatter

8.4.0 	A ValueError is thrown if locale is invalid.

Origin: vendor
Forwarded: no
---
 src/Phing/Task/System/TstampTask.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Phing/Task/System/TstampTask.php b/src/Phing/Task/System/TstampTask.php
index c502021..8c1cb20 100644
--- a/src/Phing/Task/System/TstampTask.php
+++ b/src/Phing/Task/System/TstampTask.php
@@ -22,6 +22,7 @@ namespace Phing\Task\System;
 
 use DateTime;
 use Error;
+use ValueError;
 use Exception;
 use IntlDateFormatter;
 use Phing\Exception\BuildException;
@@ -100,12 +101,15 @@ class TstampTask extends Task
      */
     protected function createProperty(string $propertyName, int $unixTimestamp, ?string $pattern = null, ?string $locale = null, ?string $timezone = null): void
     {
-        $formatter = new IntlDateFormatter($locale, IntlDateFormatter::LONG, IntlDateFormatter::NONE, $timezone, IntlDateFormatter::GREGORIAN, $pattern);
         try {
+            $formatter = new IntlDateFormatter($locale, IntlDateFormatter::LONG, IntlDateFormatter::NONE, $timezone, IntlDateFormatter::GREGORIAN, $pattern);
             $value = $formatter->format($unixTimestamp);
         } catch (Error $e) {
             $value = "";
             $this->log("Unable to format date (locale $locale) [{$e->getMessage()}]", Project::MSG_WARN);
+        } catch (ValueError $e) {
+            $value = "";
+            $this->log("Unable to create a date formatter (locale $locale) [{$e->getMessage()}]", Project::MSG_WARN);
         }
         $this->getProject()->setNewProperty($this->prefix . $propertyName, $value);
     }