From 9259ff73bd2ac1e5630e89413e85f29427cc21dc Mon Sep 17 00:00:00 2001
From: jrfnl <jrfnl@users.noreply.github.com>
Date: Wed, 11 Sep 2024 18:13:07 +0200
Subject: [PATCH] DEBUG

---
 .github/workflows/tests.yml | 4 ++--
 src/PHPMailer.php           | 7 +++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 54baa792c..d033c1ff0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -210,11 +210,11 @@ jobs:
 
       - name: Run tests, no code coverage
         if: ${{ matrix.coverage == false || github.repository != 'PHPMailer/PHPMailer' }}
-        run: ./vendor/bin/phpunit --no-coverage
+        run: ./vendor/bin/phpunit --no-coverage --testdox --filter PunyencodeAddressTest
 
       - name: Run tests with code coverage
         if: ${{ matrix.coverage == true  && github.repository == 'PHPMailer/PHPMailer' }}
-        run: vendor/bin/phpunit
+        run: vendor/bin/phpunit --testdox --filter PunyencodeAddressTest
 
       - name: Send coverage report to Codecov
         if: ${{ success() && matrix.coverage == true && github.repository == 'PHPMailer/PHPMailer' }}
diff --git a/src/PHPMailer.php b/src/PHPMailer.php
index 1ca6d399e..53159e02b 100644
--- a/src/PHPMailer.php
+++ b/src/PHPMailer.php
@@ -1472,14 +1472,17 @@ public function punyencodeAddress($address)
             false !== $pos &&
             static::idnSupported()
         ) {
+echo __LINE__, ' - in if condition', PHP_EOL;
             $domain = substr($address, ++$pos);
             //Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
             if ($this->has8bitChars($domain) && @mb_check_encoding($domain, $this->CharSet)) {
+echo __LINE__, ' - in second if condition', PHP_EOL;
                 //Convert the domain from whatever charset it's in to UTF-8
                 $domain = mb_convert_encoding($domain, self::CHARSET_UTF8, $this->CharSet);
                 //Ignore IDE complaints about this line - method signature changed in PHP 5.4
                 $errorcode = 0;
                 if (defined('INTL_IDNA_VARIANT_UTS46')) {
+echo __LINE__, ' - in INTL_IDNA_VARIANT_UTS46 condition', PHP_EOL;
                     //Use the current punycode standard (appeared in PHP 7.2)
                     $punycode = idn_to_ascii(
                         $domain,
@@ -1488,18 +1491,22 @@ public function punyencodeAddress($address)
                         \INTL_IDNA_VARIANT_UTS46
                     );
                 } elseif (defined('INTL_IDNA_VARIANT_2003')) {
+echo __LINE__, ' - in INTL_IDNA_VARIANT_2003 condition', PHP_EOL;
                     //Fall back to this old, deprecated/removed encoding
                     $punycode = idn_to_ascii($domain, $errorcode, \INTL_IDNA_VARIANT_2003);
                 } else {
+echo __LINE__, ' - in fallback condition', PHP_EOL;
                     //Fall back to a default we don't know about
                     $punycode = idn_to_ascii($domain, $errorcode);
                 }
                 if (false !== $punycode) {
+echo __LINE__, ' - returning based on punycode not false', PHP_EOL;
                     return substr($address, 0, $pos) . $punycode;
                 }
             }
         }
 
+echo __LINE__, ' - fall back return', PHP_EOL;
         return $address;
     }