Libraries tagged by input validator

Validate if the input is an disposable email address

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Modern PHP validation library with fluent API and bulk validation support

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Validates given inputs in PHP

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Advanced validation library with multiple API styles including JSON templates, inline rules, builder pattern, and functional composition. Features 50+ built-in validators, dot notation for nested objects, field reference resolution, and internationalization support. Zero dependencies, fully synchronous, and designed for maximum developer experience with extensible custom rule system.

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Yii2 International telephone numbers - Asset Bundle, Behavior, Validator, Widget

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Describe rules of your data and then parse input data using described rules

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Simple PHP library for validating input data

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A Symfony Validator wrapper that enables fluent-style validation for raw values, offering an easy-to-use and intuitive API to validate user input or other data in a concise and readable manner.

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Server side user input validation library

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A PHP library for validating input

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I am the validator library.

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Yii2 International telephone numbers - Asset Bundle, Behavior, Validator, Widget

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Configuration-based setup of zend-validator, zend-filter and zend-inputfilter for Expressive applications.

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Validate form inputs

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Lightweight declarative validation — error codes, i18n-ready

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