Merge branch 'PHP-7.4'

* PHP-7.4:
More accurate handling of global registers (allow VM with single global register)

More accurate handling of global registers (allow VM with single global register)

Don't silence fatal errors with @

Simplify checks

Remove ZEND_OVERLOADED_FUNCTION and corresponding call_method object handler

Merge branch 'PHP-7.4'

Fix DIM_OBJ specialization in zend_vm_get_opcode_handler_func

DIM_OBJ also specializes over ASSIGN_STATIC_PROP nowadays.

More accurate get_properties() usage.

Reuse cache_slot

Refactor zend_object_handlers API to pass zend_object* and zend_string* insted of zval(s).

Merge branch 'PHP-7.4'

Revert "Don't silence fatal errors with @"

This reverts commit abd36289e26cc0365e82373699aba4c1ffff464d.

This wasn't ready for merging yet, there are still some test
failures.

Merge branch 'PHP-7.4'

* PHP-7.4:
Don't silence fatal errors with @

Don't silence fatal errors with @

Adios, yearly copyright ranges

Adios, yearly copyright ranges

Remove static calls to non-static methods

Implement ??= operator

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

$a ??= $b is $a ?? ($a = $b), with the difference that $a is only
evaluated once, to the degree

Implement ??= operator

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

$a ??= $b is $a ?? ($a = $b), with the difference that $a is only
evaluated once, to the degree that this is possible. In particular
in $a[foo()] ?? $b function foo() is only ever called once.
However, the variable access themselves will be reevaluated.

show more ...

Removed useless Z_REFCOUNTED_P() checks.

Reduce slow code size

Fixed and improved incorrect usage of value_type argument.

Merge branch 'master' of git.php.net:php-src

* 'master' of git.php.net:php-src:
Fix param list for build without global reg

Separated zend_assign_to_typed_prop()

Fix param list for build without global reg

Separated zend_binary_assign_op_typed_ref() and zend_binary_assign_op_typed_prop() helpers