If the script was serialized as file_cache_only (thus non-immutable)
and then gets unserialized into SHM, we need to allocate a new
run_time_cache slot and can't use the serialized arena pointer.
Instead of populating a hashtable of property names and then
directly serializing.
This has the advantage of a) detecting duplicate properties more
precisely and b) gives us the ability to discard values without
rewriting the serialization string after the fact for GH-5027.
This has two advantages: If the string is already lowercase, we
do not need to copy it, and it will hopefully match the interned
string name of the hash, making the comparison more efficient.
The ftruncate() test will fill up the disk when the disk has less than
2GB of space left, on some systems.
I think it expands the file to less than 2GB, then returns an error code,
and the file remains at the larger size.
Because the disk is full, the `--CLEAN--` script can't be saved to
`ftruncate_bug76422.clean.php` to be executed, and the cleanup can't be run.
Subsequent tests also fail to run.
Closes GH-5043
Although the `mysqli` parameter is unused, it had been accepted so far,
and the documentation even claims that parameter would be required. To
not break BC, we allow it again.
We must not use the same shared memory OPcache instance for different
SAPIs, since their memory layout is different. To avoid this, we add
the SAPI name (truncated to at most 20 characters) to the names of the
memory base file, the mutex and the file mapping.
Both filters are equivalent, but FILTER_VALIDATE_BOOL uses our
canonical name for the type (the only one permitted in type
declarations for example), so the new name is preferred long
term.
The old name may be deprecated in the future, but no specific
timeline is planned.
This reverts commit b8ef7c35ab.
See bug #79031. The semantics of serialize locking aren't quite
correct right now, and the use of the lock in this particular
place makes us hit the issue in a common case. I'm reverting this
commit for PHP 7.4 and will try to fix this properly for PHP 8,
as I believe it will require ABI breakage.
* PHP-7.4:
Handle empty password fast path in caching_sha2_password
Handle error response during caching_sha2_password auth
Add support for caching_sha2_password in change user authentication
Fix unix socket check during caching_sha2_password
Support auth switch request during caching sha2 auth
Nikita Popov