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Compatibility Versions ICU Symfony 3.1

I have a problem installing symfony 3.1 in php7, nginx and ubuntu 16.04, I have this error:

the built-in version of ICU installed on your system is outdated (55.1) and does not match the ICU data bundled with Symfony (57.1) To get the latest internationalization data, update the ICU system package and the internal PHP extension.

How can I solve this problem? can i change symfony and use IC 55.1 instead of ICU 57.1?

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2 answers

I assume that you will get this at startup:

php bin/symfony_requirements

This is just a warning and you can safely ignore the message. I answer similar questions about this. See this URL for more details:

https://github.com/symfony/symfony/issues/15007

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To install ICU 57.1, do:

 curl -sS -o /tmp/icu.tar.gz -L http://download.icu-project.org/files/icu4c/57.1/icu4c-57_1-src.tgz && tar -zxf /tmp/icu.tar.gz -C /tmp && cd /tmp/icu/source && ./configure --prefix=/usr/local && make && make install
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