PHPStan extension for webmozart/assert

PHPStan extension for beberlei/assert

The power of Respect\Validation into an assertion library with more than 1.5k assertions.

A lot of ways to you set your assert as true

Lightweight library to validate/assert json documents structure

Stateless rule engine

Fast flexible php assert

Assert PHP library for performing assertions, and validations input/output code.

Simple package for phone number manipulation.

A simple validation.

The Vection Validator provides validation of data and schemas. A number of different validators are already included and can be applied in a chained manner.

Consistence PHPUnit adds Assert for Enums from consistence/consistence

Set of Hamcrest matchers for HTML assertrions

TinyFilter is perhaps the smallest PHP filter library on earth.

A tiny wrapper around webmozart/assert that is easily extendable to throw project-specific assertions.

Simple implementation for asserting PHP7 scalar type declarations and return types

PHP library check email (RFC 2822, DNS, Temporal Mail, Allowed Domains)

A library for small and convenient utility methods

Simple comparison prediction for scalar values

Assertion is a library for low-level validation, allows to verify invariants and pre/post conditions.