Added note about zend_function.reserved[] fields usage

add note about php_url struct changes

Fix bug #44217: Output after stdout/stderr closed cause immediate exit with status 0

We exit with status 255 instead.

Document new configurue options

Optimized base64_encode/decode with SIMD instructions

Added note about changed VM instructions

Make IS_UNUSED to be zero.

Get rid of IS_TYPE_COPYABLE.

Removed IS_TYPE_COPYABLE flag from IS_STRING zvals.

Added ZEND_API zend_cpu_supports

Implement high resolution monotonic timer function hrtime()

zend_fcall_info_cache.initialized is removed (zend_fcall_info_cache is initialized if zend_fcall_info_cache.function_handler is set).

Add _IS_NUMBER as cast_object() target type

convert_scalar_to_number() will now call cast_object() with an
_IS_NUMBER argument, in which case the cast handler should return
either an

Add _IS_NUMBER as cast_object() target type

convert_scalar_to_number() will now call cast_object() with an
_IS_NUMBER argument, in which case the cast handler should return
either an integer or floating point number, whichever is more
appropriate.

Previously convert_scalar_to_number() unconditionally converted
objects to integers instead.

Fixes bug #53033.
Fixes bug #54973.
Fixes bug #73108.

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Remove RAND_RANGE() macro

The behavior of RANGE_RANGE() is 7.1 changed completely, from
rescaling an already generated number to generating a number
itself. Because of this str_shuff

Remove RAND_RANGE() macro

The behavior of RANGE_RANGE() is 7.1 changed completely, from
rescaling an already generated number to generating a number
itself. Because of this str_shuffle() ended up generating two
random numbers on every iteration.

To avoid further misuse the function is dropped entirely. Extensions
for PHP >= 7.1 should directly call php_mt_rand_range().

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[ci skip] Update UPGRADING.INTERNALS

[ci skip] Fix UPGRADING.INTERNALS, seems it was not reset after 7.2

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Persistent resources are "thread-local".
Register persistent resources through new functions zend_register_persistent_resource()/zend_register_persistent_resource_ex().

Remove zend_get_parameters(_ex) APIs

zend_get_parameters_ex() has been marked as deprecated for a long
time already. What zend_get_paramers() does is even more
questionable under PHP

Remove zend_get_parameters(_ex) APIs

zend_get_parameters_ex() has been marked as deprecated for a long
time already. What zend_get_paramers() does is even more
questionable under PHP7. Both functions are obsoleted by the ZPP
mechanism, so I'm dropping them.

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Update UPGRADING.INTERNALS

Always use IS_CONSTANT_AST (IS_CONSTANT is removed).

Changed zend_ast_ref structure to use only one allocation, removing dichotomy between heap/arena ASTs.

HASH_FLAG_PERSISTENT renamed into IS_ARRAY_PERSISTENT and moved into GC_FLAGS (to be consistent with IS_STR_PERSISTENT).

Refactored recursion pretection

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

Refactored array creation API. array_init() and array_init_size() are converted into macros calling zend_new_array(). They are not functions anymore and don't return any values.