Libraries tagged by input validation

Thin assertion library for input validation in business models.

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📐 Nette Schema: validates and normalizes data such as configuration or API input against a schema described in a few readable lines of PHP, with precise error messages.

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A fast, extensible & stand-alone PHP input validation class that allows you to validate any data.

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Laravel package to validate the input of console commands.

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A dynamic strength meter for password input validation with various configurable options.

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Useful password strength validation utilities for Yii Framework 2.0

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Extra contrib to nette/forms

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A Laravel Nova phone number field with input masking and validation support.

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An easy way to validate Telegram Login Widget and Telegram Mini App users on your website using PHP

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Validating hydrator with raw data validation support

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Runtime type validation implementing Parse, Don't Validate - coerce and assert unstructured input into well-typed data

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MIT alternative to mpdf (GPL) and FPDI: pure-PHP PDF toolkit — generate (HTML/CSS input, fluent builders, low-level emission, 16 barcode formats, 9 chart types, TTF embedding, AcroForm, PDF/A and PDF/X), digital signatures (PAdES and GOST, visible stamps, timestamps, long-term validation, signing existing PDFs and outside the server, validation), plus read and merge existing PDFs (append/reorder pages, stamp overlays, FPDI-style import, encrypted input).

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Symfony command input argument and option validation

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A wrapper for respect validation

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Modern PHP Sanitization Library

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