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Juliette f5a0dfeb50
PHP 8.1: fix deprecation warnings about incorrect default values (#10036)
* PHP 8.1/Tests: fix some deprecation warnings

The default value for the `preg_split()` `$limit` parameter is `-1`, not `null`.

Fixes numerous `preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated` notices when running the test suite.

Ref: https://www.php.net/manual/en/function.preg-split.php

* PHP 8.1/NoProxyPattern: fix deprecation warning

The default value for the `preg_split()` `$limit` parameter is `-1`, not `null`.

Fixes some `preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated` notices when running the test suite.

```
Deprecation triggered by Composer\Test\Util\Http\ProxyManagerTest::testGetProxyForRequest:
preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated

Stack trace:
0 [internal function]: Symfony\Bridge\PhpUnit\DeprecationErrorHandler->handleError(8192, '...', '...', 42)
1 src/Composer/Util/NoProxyPattern.php(42): preg_split('...', '...', NULL, 1)
2 src/Composer/Util/Http/ProxyManager.php(148): Composer\Util\NoProxyPattern->__construct('...')
3 src/Composer/Util/Http/ProxyManager.php(50): Composer\Util\Http\ProxyManager->initProxyData()
4 src/Composer/Util/Http/ProxyManager.php(59): Composer\Util\Http\ProxyManager->__construct()
5 tests/Composer/Test/Util/Http/ProxyManagerTest.php(75): Composer\Util\Http\ProxyManager::getInstance()
...
```

Ref: https://www.php.net/manual/en/function.preg-split.php

* PHP 8.1: fix deprecation warnings / http_build_query()

This fixes all relevant calls to the PHP native `http_build_query()` function.
The second parameter of which is the _optional_ `$numeric_prefix` parameter which expects a `string`.

A parameter being optional, however, does not automatically make it nullable.

As of PHP 8.1, passing `null` to a non-nullable PHP native function will generate a deprecation notice.
In this case, these function calls yielded a `http_build_query(): Passing null to parameter #2 ($numeric_prefix) of type string is deprecated` notice.

Changing the `null` to an empty string fixes this without BC-break.

Fixes a few deprecation warnings found when running the tests.

Refs:
* https://www.php.net/manual/en/function.http-build-query.php
* https://wiki.php.net/rfc/deprecate_null_to_scalar_internal_arg

* PHP 8.1: fix deprecation notices / PharData::__construct()

This fixes all relevant calls to the PHP native `PharData::__construct()` method.

The second parameter of this method is the _optional_ `$flags` parameter which expects an `int` of flags to be passed to the `Phar` parent class `RecursiveDirectoryIterator`.
Fixed by passing the default value for the `$flags` parameter as per the `RecursiveDirectoryIterator::__construct()` method.

The third parameter of the method is the _optional_ `$alias` parameter which expects an `string`.
Fixed by passing an empty string.

Fixes various notices along the lines of:
```
Deprecation triggered by Composer\Test\Package\Archiver\ArchiveManagerTest::testArchiveTar:
PharData::__construct(): Passing null to parameter #2 ($flags) of type int is deprecated

Stack trace:
0 [internal function]: Symfony\Bridge\PhpUnit\DeprecationErrorHandler->handleError(8192, '...', '...', 55)
1 src/Composer/Package/Archiver/PharArchiver.php(55): PharData->__construct('...', NULL, NULL, 2)
2 src/Composer/Package/Archiver/ArchiveManager.php(193): Composer\Package\Archiver\PharArchiver->archive('...', '...', '...', Array, false)
3 tests/Composer/Test/Package/Archiver/ArchiveManagerTest.php(65): Composer\Package\Archiver\ArchiveManager->archive(Object(Composer\Package\CompletePackage), '...', '...')
...
```

Refs:
* https://www.php.net/manual/en/phardata.construct.php
* https://www.php.net/manual/en/recursivedirectoryiterator.construct.php

Co-authored-by: jrfnl <jrfnl@users.noreply.github.com>
3 years ago
..
Fixtures/poolbuilder PoolBuilderTest: Add a dependency which must not be loaded on unlock 4 years ago
DefaultPolicyTest.php CS fixes 4 years ago
PoolBuilderTest.php PHP 8.1: fix deprecation warnings about incorrect default values (#10036) 3 years ago
PoolTest.php CS fixes 4 years ago
RequestTest.php Get rid of EmptyConstraint 4 years ago
RuleSetIteratorTest.php CS fixes 4 years ago
RuleSetTest.php CS fixes 4 years ago
RuleTest.php CS fixes 4 years ago
SolverTest.php Merge pull request #9477 from naderman/fix-alias-conflicts 4 years ago
TransactionTest.php Make sure Transaction sorts operations correctly to begin with 4 years ago