beberlei/assert

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

2434 stars · 186 forks observed · 2026-10-08

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A thin PHP assertion library providing assertions and guard methods for input validation in business models, libraries, and low-level application code. Failed assertions throw exceptions, eliminating the need for verbose if-clause validation code.

Use cases

• validate function arguments in php
• assert preconditions in business model
• throw exception on invalid input instead of if checks
• guard methods for library input validation
• check file exists and value is digit in php
• lightweight alternative to symfony validator

When to choose

• you need fast, low-level, dependency-free input assertions in PHP
• you want exception-based validation without instantiating validator objects
• you are writing business-model or library code needing pre/post-condition checks

When to avoid

• you need filtering or sanitization, not just validation
• you need localized validation messages or complex validation rules
• you are not working in PHP

Facets

library · maturity stable

testing error-handling developer-tools web-development backend php assertions input-validation guard-clauses preconditions php-library

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