Compatibility with PHPUnit 10, 11, 12, 13 and PHP 8.1-8.4#269

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feature/phpunit-9-13-compatibility

Commits on Jun 23, 2026

build: support PHPUnit 9–13 and PHP 7.4+ (composer range + dual configs)

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refactor: IsEqualHtml uses matches()/toString(), drop IsEqual coupling

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refactor!: drop removed PHPUnit-10+ internals from TestCase + deprecation listener

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test: dual-declare PHPUnit attributes for PHPUnit 9–13 compatibility

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chore: phpstan v2 baseline + harden IsEqualHtml::matches() for level max

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ci: test PHP 7.4–8.4 × PHPUnit 9–13 matrix; phpcs testVersion 7.4-

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docs: document PHPUnit 9–13 support, assertOutputEqualsHtml, and 2.0.0 upgrade

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test: restore the Behat suite (broken since ~1.1.0)

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fix: expectFilterNotAdded() default $args 10 -> 1 so it actually guards the hook

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ci: upload Coveralls from a single leg, consistent with origin

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chore: keep the phpstan v2 baseline lean so the migration adds no debt

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docs: point the 2.0.0 changelog compare link at the 2.0.0 tag

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fix(ci): named deprecation-test fixture + raise patchwork floor for prefer-lowest

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ci: measure coverage on the PHPUnit 9 leg (consistent with origin)

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Commits on Jun 24, 2026