Add support for verifying optimizer func info

This is guarded by -DZEND_VERIFY_FUNC_INFO=1. Enable this on the
variation job.

Closes GH-6924.

Remove leading underscore for _zend_hash_find_known_hash (#7260)

Convert zend_hash_find_ex(..., 1) to zend_hash_find_known_hash(...)
Convert zend_hash_find_ex(..., 0) to zend_hash_find(.

Remove leading underscore for _zend_hash_find_known_hash (#7260)

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

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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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Merge branch 'PHP-8.0'

* PHP-8.0:
Drop incorrect cache_slot optimization for typed properties

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Drop incorrect cache_slot optimization for typed properties

Drop incorrect cache_slot optimization for typed properties

For a particular assignment, a non-coerced constant assignment
value will remain valid. However, opcache merges cache slots fo

Drop incorrect cache_slot optimization for typed properties

For a particular assignment, a non-coerced constant assignment
value will remain valid. However, opcache merges cache slots for
all identical property references, which means that this
optimization also disables property type checks for all other
operands on the property that occur in the same functions.

This could be addressed by blocking cache slot merging in opcache,
but I prefer dropping it entirely instead. It does not seem
important enough to warrant doing that.

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Add first-class callables

Support acquiring a Closure to a callable using the syntax
func(...), $obj->method(...), etc. This is essentially a
shortcut for Closure::fromCallable().

Add first-class callables

Support acquiring a Closure to a callable using the syntax
func(...), $obj->method(...), etc. This is essentially a
shortcut for Closure::fromCallable().

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

Closes GH-7019.

Co-Authored-By: Nikita Popov <nikita.ppv@gmail.com>

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Deprecate direct access to static trait members

Static trait members may only be accessed through a class in which
the trait is used, not directly on the trait.

A complication h

Deprecate direct access to static trait members

Static trait members may only be accessed through a class in which
the trait is used, not directly on the trait.

A complication here is that we should not store static
methods/properties for which a deprecation is triggered in a
cache slot. As the check for this is simple and cheap, I'm handling
this in the cache slot population code in the VM. The alternative
would be to pass the cache slot down into the fetching code.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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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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Merge branch 'PHP-8.0'

* PHP-8.0:
Fix return value of wrong fucntion by-ref assign

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fix return value of wrong fucntion by-ref assign

Fix return value of wrong fucntion by-ref assign

We should be using the result of zend_assign_to_variable() here,
which will deref prior to potential freeing.

Fixes oss-fuzz #29

Fix return value of wrong fucntion by-ref assign

We should be using the result of zend_assign_to_variable() here,
which will deref prior to potential freeing.

Fixes oss-fuzz #29899.

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Init STRLEN result when deprecation promoted to exception

Move the result initialization before HANDLE_EXCEPTION(), the
actual value doesn't matter.

This fixes one of the issues

Init STRLEN result when deprecation promoted to exception

Move the result initialization before HANDLE_EXCEPTION(), the
actual value doesn't matter.

This fixes one of the issues report in bug #81190.

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Fix missing error for single index unset on wrong type

The error was correctly thrown for a nested index, but not for a
single index. Make sure both have the same behavior.

Remove unnecessary IS_UNUSED check

This operand cannot be UNUSED.

Drop fast_div_function

This is the same as div_function nowadays.

Implement "Deprecate implicit non-integer-compatible float to int conversions" RFC. (#6661)

RFC: https://wiki.php.net/rfc/implicit-float-int-deprecate

Co-authored-by: Nikita Popov <

Implement "Deprecate implicit non-integer-compatible float to int conversions" RFC. (#6661)

RFC: https://wiki.php.net/rfc/implicit-float-int-deprecate

Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

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Correctly parse array_slice() argument in call_user_func_array() opt

We should be treating this argument using the normal zpp rules,
rather than performing a simple integer cast.

ReflectionFunctionAbstract::getClosureUsedVariables

Make a distinction at compile time between bind types for static
variables

getStaticVariables remains unchanged

ReflectionFunctionAbstract::getClosureUsedVariables

Make a distinction at compile time between bind types for static
variables

getStaticVariables remains unchanged

Fixes #80071

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Add ZEND_CLASS_CONST_FLAGS() macro

And drop Z_ACCESS_FLAGS(). We no longer store *only* access flags
in these.

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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micro-optimization

Avoid reading of property name in ASSIGN_OBJ if it can be accessed through run-time cache slot.