Move constants into read-only data segment

Use zend_string_tolower() where it's possible (to avoid reallocations).
Allow zend_string_tolower_ex() to create parsistent strings

Add zend_object_alloc() API

Using ecalloc() to create objects is expensive, because the
dynamic-size memset() is unreasonably slow. Make sure we only
zero the main object structure w

Add zend_object_alloc() API

Using ecalloc() to create objects is expensive, because the
dynamic-size memset() is unreasonably slow. Make sure we only
zero the main object structure with known size, as the properties
are intialized separately anyway.

Technically we do not need to zero the embedded zend_object
structure either, but as long as the memset argument is constant,
a couple more bytes don't really matter.

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Avoid unnecessary reference-counting on strings.

Revert BC break caused by fixing bug #74035

This reverts commit 9ffc6ca62f53431a4b32b30cdda8180142f47cdb.

RC manipulation cleanup

Avoid reference counting (the value may be a persistent string)

Use known strings for reflection properties

Remove some unnecessary duplications

Prevent reference-counting on persistent zvals (internal constants, default properties and constants of internal classes).
New macro ZVAL_COPY_OR_DUP() is used perform duplication, if necessary.

Prevent reference-counting on persistent zvals (internal constants, default properties and constants of internal classes).
New macro ZVAL_COPY_OR_DUP() is used perform duplication, if necessary.
This should eliminate related race-coditions in ZTS build and prevent reference-counting bugs after unclean shutdown.

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Encapsulate reference-counting primitives.
Prohibit direct update of GC_REFCOUNT(), GC_SET_REFCOUNT(), GC_ADDREF() and GC_DELREF() shoukf be instead.
Added mactros to validate reference-count

Encapsulate reference-counting primitives.
Prohibit direct update of GC_REFCOUNT(), GC_SET_REFCOUNT(), GC_ADDREF() and GC_DELREF() shoukf be instead.
Added mactros to validate reference-counting (disabled for now).
These macros are going to be used to eliminate race-condintions during reference-counting on data shared between threads.

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Avoid HashTable allocations for empty arrays (using zend_empty_array).

Always use IS_CONSTANT_AST (IS_CONSTANT is removed).

Changed the way VM accesses constant operands in 64-bit builds.

Fix type-o in ext/reflection comment :speech_balloon:

Fixed bug #74949 (null pointer dereference in _function_string)

Remove superfluous semicolons

code de-duplication in ReflectionType::__toString and ReflectionNamedType::getName

This code duplication introduce an inconsistency in displayed type name
- bool (reflection) vs boolean

code de-duplication in ReflectionType::__toString and ReflectionNamedType::getName

This code duplication introduce an inconsistency in displayed type name
- bool (reflection) vs boolean
- int (reflection) vs integer

And reflection already use zend_get_type_by_const in other methods...

Inconsistenty is kept for BC reason.
Could be fixed in 8.0

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Allow ReflectionClass::isIterable() to return true for Traversables

Current behavior is essentially "Is an INTERNAL iterable class".
This change allows isIterable() to return true for us

Allow ReflectionClass::isIterable() to return true for Traversables

Current behavior is essentially "Is an INTERNAL iterable class".
This change allows isIterable() to return true for userspace classes as well.

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Rename ReflectionClass::isIterateable() to isIterable()

Iterateable is not a word.
Add the correct spelling, but keep the original one around
for BC purposes.

Perhaps we can

Rename ReflectionClass::isIterateable() to isIterable()

Iterateable is not a word.
Add the correct spelling, but keep the original one around
for BC purposes.

Perhaps we can add ZEND_ACC_DEPRECATED at some later date
and even remove it from PHP 8.

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Fixed bug #74673 (Segfault when cast Reflection object to string with undefined constant)

Don't leak internal flags in reflection

If someone complains, we may re-expose specific flags while also
adding corresponding class constants for them.

Revert "Fixed bug #74035"

This reverts commit 9ffc6ca62f53431a4b32b30cdda8180142f47cdb.

ReflectionGenerator now sends ReflectionException as expected

Fixed bug #74035