5 Asynchronous Resolver. A binding to the lib(c)ares library.
9 This extension is hosted at [PECL](http://pecl.php.net) and can be installed with [PEAR](http://pear.php.net)'s pecl command:
13 Also, watch out for self-installing [pharext](https://github.com/m6w6/pharext) packages attached to [releases](https://github.com/m6w6/ext-ares/releases).