Change representation of zend_type from type code to MAY_BE_* mask

This switches zend_type from storing a single IS_* type code to
storing a MAY_BE_* type mask. Right now most code still

Change representation of zend_type from type code to MAY_BE_* mask

This switches zend_type from storing a single IS_* type code to
storing a MAY_BE_* type mask. Right now most code still assumes
that there is only a single type in the mask (or two together
with MAY_BE_NULL). But this will make it a lot simpler to introduce
union types.

An additional advantage (and why I'm doing this separately), is
that a number of special cases no longer need to be handled
separately: We can do a single mask & (1 << type) check to handle
all simple types, booleans (true|false) and null.

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Promote warning to error in zend_forbid_dynamic_call()

Remove Z_PARAM_ZVAL_DEREF

Since PHP 7.4 using this is very likely wrong, and we don't have
any core uses of it for that reason. Extensions shouldn't be using
it either. Accept as Z_P

Remove Z_PARAM_ZVAL_DEREF

Since PHP 7.4 using this is very likely wrong, and we don't have
any core uses of it for that reason. Extensions shouldn't be using
it either. Accept as Z_PARAM_ZVAL and then assign using
ZEND_TRY_ASSIGN macros.

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Add ZEND_DEP_ME macro

Delay EG(exception) check on slow path

Eliminate useless checks

Turn add_index_zval and add_next_index_zval into inline function

Avoids expression warnings and allows explicitly namespaced use in
C++.

Closes GH-4250.

Constify some char* arguments or return values of ZEND_API

Closes GH-4247.

Add do...while(0) for RETURN_* and ZVAL_* APIs

Closes GH-4255.

Allow exceptions in __toString()

RFC: https://wiki.php.net/rfc/tostring_exceptions

And convert some object to string conversion related recoverable
fatal errors into Error excep

Allow exceptions in __toString()

RFC: https://wiki.php.net/rfc/tostring_exceptions

And convert some object to string conversion related recoverable
fatal errors into Error exceptions.

Improve exception safety of internal code performing string
conversions.

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Add Z_PARAM_NUMBER and use it for some functions

Remove zpp L specifier

We don't use this internally anymore, and external usages should
be encouraged to move towards 'l'.

Better hot/cold code splitting

Mark "cold" functions

These macros should not expect any argument

Put phpinfo() related code into cold code segment

Add RETURN_EMPTY_ARRAY() / RETVAL_EMPTY_ARRAY()

The usual wrappers around ZVAL_EMPTY_ARRAY()...

Fix typo in TRY_ASSIGN macro name

Use ZEND_TRY_ASSIGN_REF_... macros for arguments passed to internal function by reference

Use ZEND_TRA_ASSIGN_REF_... macros for by reference arguments of internal functions.

Fixed bug #74345

Export zend_release_fcall_info_cache(). It is only necessary to
call it if the fcc may not have been used -- if it is passed to
zend_call_function() and friends, the

Fixed bug #74345

Export zend_release_fcall_info_cache(). It is only necessary to
call it if the fcc may not have been used -- if it is passed to
zend_call_function() and friends, then they will take care of
freeing trampolines.

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Make zpp failures always throw, independent of strict_types

Previously zend_parse_parameters (and FastZPP) would handle invalid
arguments depending on strict_types: With strict_types=1,

Make zpp failures always throw, independent of strict_types

Previously zend_parse_parameters (and FastZPP) would handle invalid
arguments depending on strict_types: With strict_types=1, a TypeError
is thrown, with strict_types=0 a warning is thrown and (usually) NULL
is returned. Additionally, some functions (constructors always and
other methods sometimes) opt-it to throwing regardless of strict_types.

This commit changes zpp to always generate a TypeError exception in
PHP 8.

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Add ZEND_TRY_ASSIGN_BOOL API

Cherry-picked from master, this is of course also necessary in 7.4...

Add ZEND_TRY_ASSIGN_BOOL API

Refactor zend_object_handlers API to pass zend_object* and zend_string* insted of zval(s).