Libraries tagged by compat

Symfony polyfill backporting some PHP 7.4+ features to lower PHP versions

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A CakePHP plugin to shim applications between major framework versions.

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High-Performance TopSort/Dependency resolving algorithm (compatibility version to work with 7.0 - 7.2)

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Compatibility layer for PSR-7 double pass and PSR-15 middlewares.

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Provides event calendar for your Symfony 8+ project. Compatible with API like Google Calendar.

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PHP client library for Let's Encrypt and other ACME v2 - RFC 8555 compatible Certificate Authorities

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Big number implementation compatible with bn.js

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Zend Framework 1 Extras PHP 7.2 and 7.3 compatible

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A FPDI compatible version of the FPDF_Protection script.

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OpenID Connect support to the PHP League's OAuth2 Server. Compatible with Laravel Passport.

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Actively maintained CodeIgniter 3 fork with support for PHP 5.4 - PHP 8.5 (and beyond). Fully backward compatible.

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A fully PSR-4 compatible PHP library for converting between standard units of measure.

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PDFMerger for PHP (PHP 5 and up to PHP 7.1 Compatible)

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A simple shortener library for RFC 4122 compatible UUIDs. Change your 36 chars long UUID into it's shorter equivalent.

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OpenID Connect support to the PHP League's OAuth2 Server. Compatible with Laravel Passport.

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