Libraries tagged by Check digit

A Laravel package that performs health checks on your application

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Overrides mail From headers, adds check of mail functionality.

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Validate and generate Mexican identifiers — RFC, CURP, CLABE, NSS and código postal — with real check-digit verification. Framework-agnostic core with an optional Laravel bridge (rules, casts, Faker).

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Helper classes to calculate and validate ckecksums

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Random IDs optimized for visual transcription, with a curated alphabet, normalization, and a built-in check character.

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Utility to calculate check digits on CPF (Brazilian Individual's Taxpayer ID)

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A very simple and safe PHP library to execute SQL Queries as Prepared Statements on MySQL Database, in an asynchronous & non-blocking all basing upon amphp/mysql package. Additional checks are supported in terms of facilitating creation and verification of row level digital signature for different database tables along with creation of blind indexes of data in encrypted db columns, using easeappphp/ea-halite package.

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A universal WordPress plugin registration system with flexible requirements checking and conflict detection. Simplifies plugin development with smart defaults for EDD, WooCommerce, Elementor, and custom ecosystems.

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SDK for WordPress plugins and themes to check updates, manage licenses, and enforce DRM against an SLSWC-powered license server.

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Reports operational metadata from a Craft CMS installation to a Manager platform over signed outbound requests, with one inbound endpoint whose only meaning is "check in now".

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A checksum calculator for the UPC check digit method

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The Filament CNPJ Field is a custom input component for Brazilian company registrations (CNPJ), including the new alphanumeric format. It handles CNPJ formatting, check digit validation and automatic company lookup through the Minha Receita API.

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Cria e valida check digit para nif

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Validates ean13 check digit

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Card Validator checks whether a card number is valid, identifies the card brand, and flags risk. It runs the Luhn checksum, detects the scheme (Visa, Mastercard, Amex and more), returns the PCI-safe BIN and last 4 digits, flags known processor test cards, and returns a composite risk score.

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