In addition to the previous comment, php5-idn has merged into the php5-intl package. Use apt-get install php5-intl on ubuntu to use these idn features.
IDN Functions
Table of Contents
- idn_to_ascii — Convert domain name to IDNA ASCII form
- idn_to_utf8 — Convert domain name from IDNA ASCII to Unicode
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User Contributed Notes 2 notes
dklabbers at hostingxs dot nl ¶
4 years ago
stepanov dot inbox at gmail dot com ¶
6 years ago
Keep in mind that a php module is required to use these functions (which may not be present on your shared hosting).
php5-idn - PHP API for the IDNA library (e.g. in Debian/Ubuntu)
