Libraries tagged by condition builder

A declarative rule engine for PHP that turns complex conditional logic into readable when-then rules. Features a fluent builder API, lazy-loaded context for performance, smart operator inference, and works seamlessly in pure PHP or WordPress.

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A comprehensive form builder and management package for Laravel with drag-and-drop builder, submissions, notifications, file uploads, multi-step forms, conditional logic, and webhooks.

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A powerful drag-and-drop form builder for Laravel 12 with Livewire 5, supporting all field types, conditional logic, multi-column layouts, and form submissions.

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A production-ready, dynamic form builder package for Laravel — drag-and-drop admin UI, 21 field types, conditional logic, file uploads, repeater fields, submissions export, and API support.

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Fluent CASE WHEN expression builder for Laravel

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A modern, extensible PHP library for validating primitive data types, files, nested objects, and arrays of objects with reusable and centralized validation rules.

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INSPIRE Conditional builder

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A modern WordPress meta box builder with 30+ field types, visual admin UI, nested groups, conditional logic, REST API, Gutenberg sidebar, and WP-CLI support.

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Production-grade PHP Query Builder with MySQL and PostgreSQL support. Safe bulk operations, conditional clauses, JSON schema, query profiler, and index hints. Zero framework coupling.

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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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User Defined Custom Fields for Laravel Filament

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A comprehensive Laravel package for building dynamic forms with an intuitive drag-and-drop interface, conditional logic, and 32 field types including searchable selects, drag-drop file uploads, and password strength indicators

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Production-grade PHP Query Builder with MySQL and PostgreSQL support. Safe bulk operations, conditional clauses, JSON schema, query profiler, and index hints. Zero framework coupling.

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A conversational chatbot flow builder plugin for Filament v3 with conditional logic and floating chat widget

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