Libraries tagged by array validation

PHP Structure helper with typed properties and attributes

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🛠 Nette Utils: lightweight utilities for string & array manipulation, image handling, safe JSON encoding/decoding, validation, slug or strong password generating etc.

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Immutable data structures for PHP arrays, providing strict separation between lists and objects, safe access semantics, key validation, and a clean, predictable API for defensive and expressive programming.

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Simple minimal but useful set of utils (properties, strings, datetimes, etc.)

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Fluent helpers for Strings, Numbers, Arrays/Iterables, Phone numbers, Emails and Countries, backed by real ISO country / dialing-code data.

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Extracting data from arrays and json using a schema

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A strict typed collection for PHP with runtime validation for scalar and object-based item types.

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Fluent data schema validator with nested objects, arrays, and dot-notation errors

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A modern, secure and fluent PHP file upload and image manipulation library with first-class multi-file array support, inspired by class.upload.php.

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Read and write Excel/spreadsheet files (xlsx, xls, ods, csv) with simple array configuration: start row/column, typed columns, defaults, row-level validation errors, styled exports. Built on PhpSpreadsheet.

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Filters to validate and sanitize objects and arrays.

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Type-safe PHP collections: Sequence (ordered list), Dictionary (any-type keys), Set (unique values), with runtime type validation.

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Lightweight validator for associative arrays with fluent API, custom rules, nested schemas, attribute binding, and message templating

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MvcCore - Extension - Tool - MimeType & Extensions - extension to get file mimetype(s) strings array from file extension string or to get file extension(s) strings array from file mimetype string.

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Custom validators for Yii2 projects

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