Fix access on NULL pointer in array_merge_recursive()

Closes GH-11303

Revert "Fix GH-10168: heap-buffer-overflow at zval_undefined_cv"

This reverts commit 71ddede5655fe654002ae18af6a18e033f717287.

Fix colletion of unfinished function call in fibers

Fixes GH-10496.

Co-authored-by: Bob Weinand <bobwei9@hotmail.com>

Fix GH-10168: heap-buffer-overflow at zval_undefined_cv

The problem is that we're using the variable_ptr in the opcode handler
*after* it has already been destroyed. The solution is to c

Fix GH-10168: heap-buffer-overflow at zval_undefined_cv

The problem is that we're using the variable_ptr in the opcode handler
*after* it has already been destroyed. The solution is to create a
specialised version of zend_assign_to_variable which takes in two
destination zval pointers.

Closes GH-10524

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GC fiber unfinished executions (#9810)

Fix generator memory leaks when interrupted during argument evaluation (#9756)

Disallow assigning reference to unset readonly property

Closes GH-7942
Closes GH-8188

Fix bug #81611

Add zend_fetch_class_with_scope() which accepts a scope to use for
self/parent, and use that during constant expression evaluation.

Closes GH-7649.

Reuse wrong string offset logic in jit

JIT contains a copy of this function that effectively only differs
by fetching current_execute_data from EG. We can do that in the VM
version a

Reuse wrong string offset logic in jit

JIT contains a copy of this function that effectively only differs
by fetching current_execute_data from EG. We can do that in the VM
version as well, as this is just used to throw an error.

Export the VM function and reuse it in JIT.

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Export zend_use_resource_as_offset()

Use a common implementation to generate this error message, as
we do so in quite a few places dealing with array keys.

Reuse parts of normal executor shutdown for preloading

preloading currently reimplements parts of shutdown_executor(),
so it's easy for that code to go out of sync.

Extract this

Reuse parts of normal executor shutdown for preloading

preloading currently reimplements parts of shutdown_executor(),
so it's easy for that code to go out of sync.

Extract this into an zend_shutdown_executor_values() API function
and use it as part of the preloading pre-shutdown.

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Fix bug #81303 improve match errors

Assert that call to method always has called scope or object

Implement readonly properties

Add support for readonly properties, for which only a single
initializing assignment from the declaring scope is allowed.

RFC: https://wiki.php.net

Implement readonly properties

Add support for readonly properties, for which only a single
initializing assignment from the declaring scope is allowed.

RFC: https://wiki.php.net/rfc/readonly_properties_v2

Closes GH-7089.

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Deprecate autovivification on false

Deprecate automatically converting "false" into an empty array
on write operands. Autovivification continues to be supported
for "null" values, as

Deprecate autovivification on false

Deprecate automatically converting "false" into an empty array
on write operands. Autovivification continues to be supported
for "null" values, as well as undefined/uninitialized values.

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

Closes GH-7131.

Co-authored-by: Tyson Andre <tysonandre775@hotmail.com>
Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

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Check internal function type consistency in zend_call_function

We do this for calls in the engine, but not those going through
zend_call_function().

Pure Intersection types (#6799)

Implement pure intersection types RFC

RFC: https://wiki.php.net/rfc/pure-intersection-types

Co-authored-by: Nikita Popov <nikic@php.net>

Pure Intersection types (#6799)

Implement pure intersection types RFC

RFC: https://wiki.php.net/rfc/pure-intersection-types

Co-authored-by: Nikita Popov <nikic@php.net>
Co-authored-by: Ilija Tovilo <ilutov@php.net>

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Move the whole "cold" path into the "cold" function.

JIT: Avoid too aggressive loop unrolling

This fixes tests/func/010.phpt failure with tracing JIT on ARM64.

move zend_vm_stack_new_page into header for sharing with fibers

Implement never return type

The never type can be used to indicate that a function never
returns, for example because it always unwinds.

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

Implement never return type

The never type can be used to indicate that a function never
returns, for example because it always unwinds.

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

Closes GH-6761.

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Fix spelling and grammar mistakes

This PR corrects misspellings identified by the check-spelling action.

The misspellings have been reported at jsoref@b6ba3e2#commitcomment-48946465

Fix spelling and grammar mistakes

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.

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Drop unneessary if branch and adjust arg_num type

This if branch seems to be a remain of when certain type errors where E_WARNINGs, something which isn't the case since PHP 8.0.

Replace zend_bool uses with bool

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

Replace zend_bool uses with bool

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.

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Change calling convention of zval_update_constant[_ex]() to fastcall.