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Very few. It's worth running one of the code analysers over your codebase to check: https://github.com/PHPCompatibility/PHPCompatibility https://github.com/PHPC
by pbowyer 7y ago
Very few. It's worth running one of the code analysers over your codebase to check: https://github.com/PHPCompatibility/PHPCompatibility https://github.com/PHPCompatibility/PHPCompatibility
I upgraded a large project last month, and this found 6 changes I had to make in 20k LOC.