How to install intl with missing icu

if you are installing Yii Framework then you will need to install Intl Extension to meets Yii requirements.

Intl extension Warning Internationalizationsupport PHP Intl extension 1.0.2 or higher is required when you want to use advanced parameters formatting in Yii::t(), non-latin languages with Inflector::slug(), IDN-feature of EmailValidator orUrlValidator or the yii\i18n\Formatter class.

You can do this be installing it using pecl. It will fail if you don’t have necessary libraries.

Make sure that the following is installed on apt-get (debian) such machine

apt-get install libicu-dev

apt-get install icu-devtools


pecl install intl

Once this is installed make sure that the you add extension to php.ini

and reload your apache

service apache restart

You can check where your php.ini by issuing the following command:

php -i | grep “php.ini”