Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions
This component provides functions added to PHP 7.2 core:
And also functions added to PHP 7.2 mbstring:
On Windows only:
Moved to core since 7.2 (was in the optional XML extension earlier):
Also, it provides constants added to PHP 7.2:
More information can be found in the main Polyfill README.
This library is released under the MIT license.