Libraries tagged by failback

Engine-agnostic, bot-hardened, cached search autocomplete for Magento 2 and Hyva. Searches products, categories and CMS pages via the configured Magento search engine (Elasticsearch 7 / 8 / OpenSearch / MySQL fallback). Includes 9 layers of bot protection, dynamic catalog-derived synonym matching, dedicated cache type, popular and recent searches, full keyboard navigation and accessible markup. Works on stock Luma and Hyva theme out of the box.

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Frontend image performance: lazy loading (Native/IntersectionObserver/Hybrid), WebP browser detection with fallback, preload hints, async decoding, and fetchpriority

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Userspace function as fallback for base58 extension

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A weight-based shipping cost calculator for Laravel with database-driven weight bands, free shipping thresholds, flat-rate fallback and a global on/off toggle.

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Domain registrar-expiry reader for Laravel — RDAP first with a port-43 WHOIS fallback.

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A unified payment abstraction layer for Laravel supporting multiple providers (Paystack, Flutterwave, Monnify, Stripe, PayPal, Square, OPay, Mollie) with automatic fallback and webhooks.

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A Laravel package that serves a PWA service worker at /sw.js from a Blade template whose cache version tracks the Vite build manifest hash. Ships precache + cache-first (hashed assets), network-first (navigations) and stale-while-revalidate (everything else) strategies with an offline fallback, all configurable.

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A Laravel middleware that resolves the application locale from a cookie, validating the requested value against a configurable list of supported locales and falling back to a sensible default when the cookie is missing or unknown. Cookie name, supported locales, and fallback locale are all driven by config.

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Authenticated symmetric encryption for PHP (AES-256-GCM by default, encrypt-then-HMAC fallback).

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PSR-11 Container with pre-registered instances and reflection fallback

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Runtime class versioning via namespace injection with configurable fallback chains and proxy caching

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Lightweight php handler for iredis with redisent fallback

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PHP LLM client with a model catalog (OpenAI, OpenRouter, Requesty), retries and fallback models, typed errors, agent loop with tool calling and PSR-3 logging. Framework-agnostic, no SDK dependencies. PHP 7.4+.

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Translation component, with builtin fallback for french language, and variable replacement

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Magento 2 Hyva compatible module to display alternate product image on hover with lazy loading and fallback support.

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