PHP7 Compatibility release#7

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alexnantel88 wants to merge 4 commits intosymphonycms:masterfrom

alexnantel88:4.x

Commits on May 23, 2017

PHP7 Compatibility release
Alexandra Nantel
committed

Commits on Aug 24, 2017

SQL and PHP cases
Alexandra Nantel
committed

Commits on Aug 25, 2017

Relase infos .. Again
Alexandra Nantel
committed

Commits on Nov 20, 2018

Apply patch from @nitriques.
Alexandra Nantel
committed