DNS comes with a set of rules defining valid domain names. A domain name cannot exceed 255 octets (RFC 1034) and each label cannot exceed 63 octets (RFC 1035). It can contain any character (RFC 2181) but extra rules apply for hostnames (A and MX records, data of SOA and NS records): only alphanumeric ASCII characters and hyphens are allowed in labels…
Author: Kévin Dunglas
Continuous Integration for Symfony apps, the modern stack: quality checks, private Composer, headless browser testing…
Updated 2014/11/21 : Fixed a bug when deploying (thanks @meyer_baptiste). Added a command to update GitHub commit status (thanks @samuelroze). At Les-Tilleuls.coop, we built great e-commerce platforms and high-performance web applications with quality and agility in mind. Most of our applications share the same technical stack: the PHP language with the Symfony framework and Doctrine for back applications front applications developed with CoffeeScript or…
Internationalized Domain Name (IDN) and PHP
Currently, PHP doesn’t have any native support of IDN: domains with non-ASCII characters such as http://www.académie-française.fr. If you try to connect to such site you’ll get nothing but an error: file_get_contents(‘http://académie-française.fr’); // PHP Warning: file_get_contents(): php_network_getaddresses: getaddrinfo failed: nodename nor servname provided, or not known in php shell code on line 1 RFC 3490 specifies that applications must convert IDN…