The "callable name" may be the same for multiple distinct callables.
The code already worked around this for the case of instance methods,
but there are other cases in which callable names clash, such as
the use of self:: reported in the referenced bug.
Rather than trying to generate a unique name for callables, compare
the content of the alfi structures. This is less efficient if there
are many autoload functions, but autoload *registration* does not
need to be particularly efficient.
As a side-effect, this no longer permits unregistering non-callables.
Similar to 097043db2a, but for the
zend_call_method() API. I don't think we ever use this for
static methods, but this logic shouldn't be there. If you want
to inherit the active LSB scope for some reason, do so explicitly.
We should use the scope specified in the spl_autoload_register()
call, not whatever LSB scope just so happens to be active at the
time of the autoloader call.
This was only used to decide between a hash clean and a hash
destroyed in spl_autoload_remove(). But now that
spl_autoload_functions() no longer distinguishes between NULL and
an empty array here, there's really no need to try and destroy
the hashtable here.
Replace EG(autoload_func) with a C level zend_autoload hook.
This avoids having to do one indirection through PHP function
calls. The need for EG(autoload_func) was a leftover from the
__autoload() implementation.
Additionally, drop special-casing of spl_autoload(), and instead
register it just like any other autoloading function. This fixes
bug #71236 as a side-effect.
Finally, change spl_autoload_functions() to always return an array.
The distinction between false and an empty array no longer makes
sense here.
Closes GH-5696.
Formerly, this had to be enabled by passing the configuration flag
`--enable-crt-debug`; now it can be enabled by setting the environment
variable `PHP_WIN32_DEBUG_HEAP`. The advantage is that it is no longer
necessary to do separate builds, at the cost of a very minor
performance penalty during process startup.
In module startup stage, we should not initiliaze
EG(modified_ini_directives) as it use zend MM, the zend MM will be
restart at the end of modules startup stage,
by say "partial", because this issue still exists if altering ZEND_USER
inis, we should add a zend_ini_deactive at the end of modules startup
stage, but it brings some new cost, and I think no one would do things
like that
For snapshot builds (`--enable-snapshot-build`), after the build has
been completely finished, running `nmake` causes a lot of DLLs to be
rebuilt. The problem is that the build folders OptimizerObj and
opcache_jit are dependencies of the main PHP DLL, but these folders do
not exists in the source tree, so nmake assumes it has to re-link the
main PHP DLL, and that makes several other DLLs stale.
We solve that by mirroring the folder structure of the respective
source folders.
The `timercmp()` manpage[1] points out that some systems have a broken
implementation which does not support `>=`. This is definitely the
case for the Windows SDK, which only supports `<` and `>`.
[1] <https://linux.die.net/man/3/timercmp>
We regularly find new places where we forgot to reset fake_scope.
Instead of having to handle this for each caller of zend_call_function()
and similar APIs, handle it directly in zend_call_function().
This adds the following APIs:
void zend_call_known_function(
zend_function *fn, zend_object *object, zend_class_entry *called_scope,
zval *retval_ptr, int param_count, zval *params);
void zend_call_known_instance_method(
zend_function *fn, zend_object *object, zval *retval_ptr, int param_count, zval *params);
void zend_call_known_instance_method_with_0_params(
zend_function *fn, zend_object *object, zval *retval_ptr);
void zend_call_known_instance_method_with_1_params(
zend_function *fn, zend_object *object, zval *retval_ptr, zval *param);
void zend_call_known_instance_method_with_2_params(
zend_function *fn, zend_object *object, zval *retval_ptr, zval *param1, zval *param2);
These are used to perform a call if you already have the
zend_function you want to call. zend_call_known_function()
is the base API, the rest are just really thin wrappers around
it for the common case of instance method calls.
Closes GH-5692.
Don't treat the !fn_proxy && !obj_ce case differently. There doesn't
seem to be any need for it, and it will result in subtly different
behavior (e.g. it will accept "Foo::bar" syntax, but break as soon
as you pass in an fn_proxy cache).
If the current character is a line break character, it cannot be a tab
or space character, so we would always fail with an invalid sequence
error. Obviously, these `scan_stat == 4` conditions are meant to be
exclusive.
Furthermore, if `in_pp == NULL || in_left_p == NULL` is true, we hit a
segfault if we are not returning right away. Obviously, the additional
constraints don't make sense, so we remove them.
Add ZVAL_CHAR/RETVAL_CHAR/RETURN_CHAR as a shortcut for using
ZVAL_INTERNED_STRING and ZSTR_CHAR.
Add zend_string_init_fast() as a helper for the empty string /
one char interned string / zend_string_init() pattern.
Also add corresponding ZVAL_STRINGL_FAST etc macros.
Closes GH-5684.
If the array is empty, then I'd expect that the generator is never left,
and that can be converted to a no-op and the return value would always be `null`.
Make `yield from [];` as efficient as `if (false) { yield null; }`
when opcache's sccp pass is enabled.
Closes GH-5679
This is a bit tricky: In this cases we have "namespace as", which
means that we will only recognize "namespace" as an identifier when
the lookahead token is already at the "as". This means that
zend_lex_tstring picks up the wrong identifier.
We solve this by actually assigning the identifier as the semantic
value on the parser stack -- as in almost all cases we will not
actually need the identifier, this is just an (offset, size)
reference, not a copy of the string.
Additionally, we need to teach the lexer feedback mechanism used
by tokenizer TOKEN_PARSE mode to apply feedback to something
other than the very last token. To that purpose we pass through
the token text and check the tokens in reverse order to find the
right one.
Closes GH-5668.
