Libraries tagged by polyfills

PHP Polyfill for the Calendar extension

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A pure-php reimplementation of the API exposed by the native XML-RPC extension

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Symfony polyfill for xml's utf8_encode and utf8_decode functions

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Lacking future-compat polyfills for PHPUnit.

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Polyfill for var_representation: convert a variable to a string in a way that fixes the shortcomings of var_export

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Backports unserialize options introduced in PHP 7.0 to older PHP versions.

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A polyfill package to transition from the libsodium php extension to the sodium extension. Which is included in PHP 7.2

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Remove unnecessary PHP polyfills

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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 Symfony polyfill libraries.

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A ruleset for PHP_CodeSniffer to check for PHP cross-version compatibility issues in projects, while accounting for polyfills provided by ircmaxell's password_compat library.

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Polyfill new (5.6+) features into old (5.4+) versions of PHP

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The polyfills component of the Salient toolkit

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PHP 8.4 bcmath functions polyfill with fallback compatibility for environments without bcmath extension. Based on phpseclib/bcmath_compat with additional support for new PHP 8.4 bcmath functions.

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Polyfill backporting PHP 8.5+ native RFC3986/WHATWG URI features to lower PHP versions

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A polyfill for pthreads

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