Libraries tagged by Check digit

Overrides mail From headers, adds check of mail functionality.

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Helper classes to calculate and validate ckecksums

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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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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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A checksum calculator for the UPC check digit method

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Cria e valida check digit para nif

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Validates ean13 check digit

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Provides an easy way to spellcheck multiple text source by many spellcheckers, directly from PHP

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