Libraries tagged by invariants

Exceptions, Ref, and invariant functions

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The Hoa\Praspel library.

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An expressive but lightweight library to validate preconditions and invariants.

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Attachment content type with parent-entity reference and at-most-one-active invariant.

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A strict runtime type and invariant checker for developing safer PHP applications

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A lightweight Design-by-Contract library for PHP

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Domain layer foundation for PHP 8.2+ providing Value Objects with attribute-based validation, Entities, Aggregates, Rules, Specifications, Policies, Invariants, Transformers, and a framework-agnostic adapter system.

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A library which helps to specify, check and reflect code contracts.

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Based on hediet/contracts. A library which helps to specify, check and reflect code contracts. Fast porting for wordpress. An additional layer simply makes it possible to invalidate the exceptions in a production context.

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A lightweight Design-by-Contract library for PHP

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Audit-grade, append-only General Ledger for Laravel 12 with strict accounting invariants, period locking, and sub-ledger integration.

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Jetpack configuration package that initializes other packages and configures Jetpack's functionality. Can be used as a base for all variants of Jetpack package usage.

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Extends the base variants condition with current host.

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