polyfill-php55 by symfony

This component provides functions unavailable in releases prior to PHP 5.4. Maintained by symfony on GitHub, where it has earned 96 stars from the community.

This component provides functions unavailable in releases prior to PHP 7.1. Maintained by symfony on GitHub, where it has earned 26 stars from the community.

This component provides functions unavailable in releases prior to PHP 5.6. Maintained by symfony on GitHub, where it has earned 1,556 stars from the community.