Avoid subtle differences in behavior depending on whether the
handler is absent or returns FAILURE.
If you previously set cast_object to NULL, create a handler that
always returns FAILURE instead.
To explicitly indicate that objects are uncomparable. For now
this has no functional difference from the usual 1 return value,
but makes intent clearer.
Make cast_object return FAILURE for casts to int/float, rather than
throwing a notice and returning SUCCESS. Instead move the emission
of the notice to the code invoking cast_object. This will allow us
to customize the behavior per call-site.
This change is written to be NFC, and the code in
zend_std_compare_objects() should illustrate the current behavior
doesn't make a lot of sense.
Even if default_charset is set to "", we should still return
"UTF-8" as the default value here. Setting default_charset to ""
suppresses the header emission, but shouldn't change anything
about our encoding defaults.
The comment on `PS_VALIDATE_SID_FUNC(files)` is very clear that the
function is supposed to return `SUCCESS` if the session already exists.
So to detect a collision, we have to check for `SUCCESS`, not
`FAILURE`.
We also fix the wrong condition in session_regenerate_id() as well.
Symfony is currently has an expected incompatibility with PHP 8:
Fatal error: Declaration of Symfony\Component\HttpClient\Response\MockResponse::schedule(Symfony\Component\HttpClient\Response\MockResponse $response, array &$runningResponses): void must be compatible with Symfony\Component\HttpClient\Response\ResponseTrait::schedule(Symfony\Component\HttpClient\Response\ResponseTrait $response, array &$runningResponses): void in /home/vsts/work/1/s/symfony/src/Symfony/Component/HttpClient/Response/MockResponse.php on line 135
Disable the job until this is fixed.
It seems like on many filesystems nlink for directories is the
number of subdirectories (plus two, due to . and ..). However,
this is not a POSIX requirement, and some filesystems don't
implement it this way. This seems to be the case for whatever is
used on the Travis AArch64 builders now.
Since `DateTimeZone` does not implement a `compare_objects` handler,
nor has any properties, two `DateTimeZone` instances always compare as
being equal, even if they designate totally different timezones. Even
worse, after calling `var_dump()` on these objects, the actual
comparison may yield a correct result.
We therefore introduce a `compare_objects` handlers, which prevents
different behavior before/after `var_dump()`, and which allows us to
clearly define the intended semantics.