zend_hash allocates a hash table twice as big as nTableSize
(HT_HASH_SIZE(HT_SIZE_TO_MASK(nTableSize)) == nTableSize*2), so HT_MAX_SIZE
must be half the max table size or less.
Fixes GH-10240
Convert zend_hash_find_ex(..., 1) to zend_hash_find_known_hash(...)
Convert zend_hash_find_ex(..., 0) to zend_hash_find(...)
Also add serializable changes to UPGRADING.INTERNALS summary
This PR corrects misspellings identified by the check-spelling action.
The misspellings have been reported at jsoref@b6ba3e2#commitcomment-48946465
The action reports that the changes in this PR would make it happy: jsoref@602417c
Closes GH-6822.
We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.
Of course, zend_bool is retained as an alias.
If the RHS has INDIRECT elements, we do not those to be added to
the LHS verbatim. As we're using UPDATE_INDIRECT, we might even
create a nested INDIRECT that way.
This is a side-quest of oss-fuzz #26245.
Voidification of Zend API which always succeeded
Use bool argument types instead of int for boolean arguments
Use bool return type for functions which return true/false (1/0)
Use zend_result return type for functions which return SUCCESS/FAILURE as they don't follow normal boolean semantics
Closes GH-6002
Make user-exposed sorts stable, by storing the position of elements
in the original array, and using those positions as a fallback
comparison criterion. The base sort is still hybrid q/insert.
The use of true/false comparison functions is deprecated (but still
supported) and should be replaced by -1/0/1 comparison functions,
driven by the <=> operator.
RFC: https://wiki.php.net/rfc/stable_sorting
Closes GH-5236.
- zend_hash_find_ptr_lc(ht, zend_string *key)
- zend_hash_str_find_ptr_lc(ht, const char *str, size_t len)
Note that zend_hash_str_find_ptr_lc used to exist in zend_compile.c
as zend_hash_find_ptr_lc. When exporting this I figured it
was best to use the same conventions as the rest of zend_hash.h.
On A72, google-benchmark measure before and after the patch:
--------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------
BM_hash_init_before 43.6 ns 43.6 ns 16052937
BM_hash_init_after 27.0 ns 27.0 ns 25877296
Patch written by Ali Saidi <alisaidi@amazon.com>
and Sebastian Pop <spop@amazon.com>
HT_FLAGS() includes the full flag word, including the iterator
count. When we're fully reassigning it, we need to make sure that
we either really do want to copy the iterator count (as in some
cases in array.c) or we need to mask only the actual flag byte.
Add an assert to hash_iterators_del() to make sure the iterator
count is non-zero (which is how I ran into this) and make sure that
the iterator count is correctly preserved during array splicing.
