Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Fix access on NULL pointer in array_merge_recursive()

Fix access on NULL pointer in array_merge_recursive()

Closes GH-11303

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Revert "Fix GH-10168: heap-buffer-overflow at zval_undefined_cv"

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

This reverts commit 71ddede5655fe654002ae18af6a18e033f717287.

Merge branch 'PHP-8.1' into PHP-8.2

Fix colletion of unfinished function call in fibers

Fixes GH-10496.

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

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Fix GH-10168: heap-buffer-overflow at zval_undefined_cv

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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Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Reduce HT_MAX_SIZE to account for the max load factor of 0.5 (#10242)
GC fiber unfinished executions (#9810)

GC fiber unfinished executions (#9810)

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
[ci skip] NEWS
[ci skip] NEWS
Fix generator memory leaks when interrupted during argument evaluation (#9756)

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
[ci skip] NEWS
Fix generator memory leaks when interrupted during argument evaluation (#9756)

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

Save previous observer on the VM stack

This avoids a possible significant performance penalty, when some leaf function was observed, deep in the stack.
As a side effect, we are not itera

Save previous observer on the VM stack

This avoids a possible significant performance penalty, when some leaf function was observed, deep in the stack.
As a side effect, we are not iterating over prev_execute_data anymore and thus, non-observed fake frames, possibly on stack, cannot have any impact on the observer anymore (especially within zend_observer_fcall_end_all).

Saving the previous observer happens now directly on the VM stack. If there is any observer, function frames are allocated an extra zval (the last temporary), which will, on observed frames, contain the previous observed frame address.

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Change fetch_type from int to uint32_t (#9152)

This is because it is derived from the opcode num which is an uint32_t

Merge branch 'PHP-8.1'

* PHP-8.1:
Disallow assigning reference to unset readonly property

Disallow assigning reference to unset readonly property

Closes GH-7942
Closes GH-8188

Add function exposing HAVE_GCC_GLOBAL_REGS (#8359)

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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