Libraries tagged by validation library

Brazilian document validation library (CPF, CNPJ, CEP, CNH, CNS, PIS, IE, RENAVAM, Voter Title, Mercosul Plate)

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A lightweight, framework-agnostic PHP validation library with first-class Iranian form validation rules.

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Array value validation library for PHP

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A fast email validation library for PHP 7+

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Fast and simple validation library

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A lightweight PHP validation library with fluent interface for validating data structures, supporting batch/fail-fast modes and custom strategies

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High-performance, secure validation library for Design by Contract programming. Validate primitive and complex types with chainable validators, contract-based validation, and comprehensive security features.

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Tiny do-it-yourself form binding and validation library

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PHP validation library. You can use it to validate almost anything, e.g. form posts, function parameters, etc.

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An easy to use, accurate-ish & extensible email validation library for PHP 7+

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Generic schema validation library for PHP, based on JSON Schema.

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PHP validation library. You can use it to validate almost anything, e.g. form posts, function parameters, etc.

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Powerful PHP8 file upload library with validation, conversion, and fluent interface

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Tax identification number library for CodeIgniter 4 (validation, parsing, formatting and taxpayer resolution) covering ~90 jurisdictions, usable standalone too.

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IBAN library for CodeIgniter 4 (validation, parsing, formatting and entity resolution), usable standalone too.

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