Libraries tagged by php validation engine

100% ECMA-262 compliant regular expression engine for PHP, designed for JSON Schema validation and full JavaScript regex compatibility

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Framework-agnostic PHP chess core for move validation, game state management, FEN/PGN handling, and engine integration.

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Composable, rule-based data sanitization engine for PHP 8.4+ — 33 rules, #[Sanitize] attributes, XSS prevention, powered by kariricode/property-inspector. ARFA 1.3.

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Fluxon is a PHP form engine for headless, frontend, runtime, and distributed form workflows.

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File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery. Supports cross-domain, chunked and resumable file uploads. Works with any server-side platform (Google App Engine, PHP, Python, Ruby on Rails, Java, etc.) that supports standard HTML form file uploads.

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Shared AI backend for LaravelDesign, Elgg, and any PHP application that wants first-class Anthropic Claude integration. Ships an HTTP client, reusable prompt templates, per-user/per-license usage tracking, and license-key validation.

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Official PHP SDK for BigDataCloud APIs — IP Geolocation, Reverse Geocoding, Phone & Email Verification, Network Engineering

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A Symfony-compatible workflow engine for Laravel. State machines, Petri nets, guards, events, validation, weighted arcs, middleware, and YAML/JSON/PHP import/export.

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Flexible and developer-friendly solution for creating, managing, and validating discount rules in PHP application

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an asynchronous job engine and an url validator

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The Validator component provides tools to validate values.

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