Libraries tagged by compat

fast openSSL-compatible implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA)

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A One Time Password Authentication package, compatible with Google Authenticator.

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PHP receipt printer library for use with ESC/POS-compatible thermal and impact printers

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Provides backwards compatibility for BrowserKit testing in the latest Laravel release.

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A php implementation to send log-messages to a GELF compatible backend like Graylog2.

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UTF-8 compatible JSON5 parser for PHP

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Tool to compare two revisions of a public API to check for BC breaks

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PHP 5.x-8.x polyfill for bcmath extension

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A set of sniffs for PHP_CodeSniffer that checks for PHP cross-version compatibility.

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Symfony polyfill backporting some PHP 8.4+ features to lower PHP versions

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Symfony polyfill backporting some PHP 5.5+ features to lower PHP versions

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Symfony polyfill backporting some PHP 5.4+ features to lower PHP versions

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Symfony polyfill for intl's MessageFormatter class and related functions

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A set of rulesets for PHP_CodeSniffer to check for PHP cross-version compatibility issues in projects, while accounting for polyfills provided by the Paragonie polyfill libraries.

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A PHP parser for TOML compatible with specification 0.4.0

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