Fix GH-8841: php-cli core dump calling a badly formed function

It's actually not php-cli specific, nor SAPI specific.
We should delay the registration of the function into the function t

Fix GH-8841: php-cli core dump calling a badly formed function

It's actually not php-cli specific, nor SAPI specific.
We should delay the registration of the function into the function table
until after the compilation was successful, otherwise the function is
mistakingly registered and a NULL dereference will happen when trying to
call it.

I based my test of Nikita's test, so credits to him for the test:
https://github.com/php/php-src/pull/8933#issuecomment-1259881008

Closes GH-10989.

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