Drupal 7 Compatibility with PHP 7

Is the latest version of Drupal 7 (7.54 now in 2017) compatible with PHP 7?

It looks like version 8 is, but the information seems not very clear for version 7.

Thank you

Solution

Drupal core is (should) be compatible, but problem are 3rd party modules. Some of them are, but some are not.

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