[php-src] master: [skip ci] CONTRIBUTING.md: Add description of the "Good first issue" tag

Author: Weilin Du (LamentXU123)
Date: 2026-08-16T21:20:59+08:00

Commit: https://github.com/php/php-src/commit/242c4cc8d4f9ee46f6cc3e8e4004a1d9692ffd5f
Raw diff: https://github.com/php/php-src/commit/242c4cc8d4f9ee46f6cc3e8e4004a1d9692ffd5f.diff

[skip ci] CONTRIBUTING.md: Add description of the "Good first issue" tag

Changed paths:
  M  CONTRIBUTING.md


Diff:

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index aabd945ad385..94bcf4d1337a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -48,6 +48,10 @@ PHP 8.0, which corresponds to the `PHP-8.0` branch in Git. Please also make sure
 you add a link to the PR in the bug on [the bug tracker](https://github.com/php/php-src/issues)
 or [the old bug tracker](https://bugs.php.net/).
 
+If you are new to contributing to PHP, issues tagged
+[`Good first issue`](https://github.com/php/php-src/labels/Good%20first%20issue)
+are suitable for you as a newcomer to file PRs against.
+
 Pull requests implementing RFCs should be submitted against `master`.
 
 Pull requests should *never* be submitted against `PHP-x.y.z` branches, as these