New answers tagged migration
You should use some migration plugin, e. g. Migrate DB, because some file paths and URLs are serialized in database and it's not enough to change just siteurl and home. Migrate DB seamlessly do the job.
I just understood what happened: The custom widgets were using short tags (<?) to split up the HTML output, which directive (short_open_tag) is disabled by default in the production environment. Problems like this are a pain to spot and I can do nothing but laughing thinking what we tried to understand the issue.
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