* mysqli_get_server_info() cannot return null. The underlying API
is infallible.
* mysqli_select_db() func info is redundant.
* mb_detect_order() can only return array|true, not array|false.
Also make the func_info.phpt test that is supposed to catch these
kinds of issues actually work.
Make sure they're actually the same up to cases where func info
allows more accurate expressions. There are some awkward edge cases
around true/false/null limitations in union types.
This reverts commit 10b09578a8.
This seems to cause many test failures:
Test === operator : different types [tests/lang/operators/operator_identical_basic.phpt]
Test <=> operator : different types [tests/lang/operators/operator_spaceship_basic.phpt]
comparing different variables for equality [Zend/tests/compare_001_64bit.phpt]
comparing different variables for identity [Zend/tests/compare_002_64bit.phpt]
Rebinding of ::getClosure()s [Zend/tests/closure_061.phpt]
comparing different variables (greater than) [Zend/tests/compare_003_64bit.phpt]
comparing different variables (less than) [Zend/tests/compare_004_64bit.phpt]
comparing different variables (greater or equal than) [Zend/tests/compare_005_64bit.phpt]
comparing different variables (smaller or equal than) [Zend/tests/compare_006_64bit.phpt]
Invalid numeric string E_WARNINGs and E_NOTICEs, combined assignment operations [Zend/tests/numeric_string_errors_assign.phpt]
Bug #51819 (Case discrepancy in timezone names cause Uncaught exception and fatal error) [ext/date/tests/bug51819.phpt]
Test all filters returned by filter_list() [ext/filter/tests/033.phpt]
filter_var() and FILTER_VALIDATE_MAC [ext/filter/tests/055.phpt]
Test strrpos() function : usage variations - unexpected inputs for 'needle' argument [ext/standard/tests/strings/strrpos_variation10.phpt]
Test strtr() function : usage variations - empty string & null for 'str' argument [ext/standard/tests/strings/strtr_variation4.phpt]
Test strtr() function : usage variations - unexpected inputs for 'from' argument [ext/standard/tests/strings/strtr_variation6.phpt]
Test strstr() function [ext/standard/tests/strings/strstr.phpt]
Only set preloading compiler_options while executing the preload
file, not when performing linking afterwards. Otherwise options
like IGNORE_INTERNAL_CLASSES will hide classes from inheritance
verification.
Tricky edge case: We inherit a property from an internal class,
in which case no property duplication takes place. We should not
try to persist the property info in that case. This didn't really
matter previously, but now that the property has some non-interned
owned data (the type), we need to make sure we don't try to free
that.
