Error on multiple default blocks in a switch

Part of RFC: https://wiki.php.net/rfc/switch.default.multiple

Use zval_ptr_dtor_nogc to destroy literals

Also move the definition of zval_ptr_dtor_nogc to zend_variables.h
(from zend_execute.h/.c) as it's used in a few places.

Disabled usage of built-in functions in write context (e.g. strlen($s)[] = ...)

Simplify BEGIN_SILENCE/END_SILENCE to not modify ini entry value back and force

Fix bug #67938: Segfault when extending interface method with variadic

We only want to check extra optional args if the proto function is
variadic, not when we're adding extra variadic a

Fix bug #67938: Segfault when extending interface method with variadic

We only want to check extra optional args if the proto function is
variadic, not when we're adding extra variadic args.

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Combine foreach copy / switch cond stacks

Now one common stack to handle both, which stores znodes instead of
full oplines (foreach copy stack) or switch entries (switch cond
stack).

Combine foreach copy / switch cond stacks

Now one common stack to handle both, which stores znodes instead of
full oplines (foreach copy stack) or switch entries (switch cond
stack).

Also removed EG(start_op) while at it.

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Don't distinguish between ast/list in parser

This removes the need to use $<ast>{n} or $<list>$ casts in the
reduction actions.

Keeping the distinction in the parser doesn't rea

Don't distinguish between ast/list in parser

This removes the need to use $<ast>{n} or $<list>$ casts in the
reduction actions.

Keeping the distinction in the parser doesn't really give us any
benefit and only makes changing the grammar harder.

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use zend_string_equals_ci

Keep folder mark style in this file

Fix comparison in case of constant NULL as default value

Fixes "Fatal error: Default value for parameters with a class type hint
can only be NULL in ext/phar/phar.php on line 1120" whie

Fix comparison in case of constant NULL as default value

Fixes "Fatal error: Default value for parameters with a class type hint
can only be NULL in ext/phar/phar.php on line 1120" whie creating phar.phar

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Fix bug #67922

Special-case aliases, add warning comments to implementations

remove duplicate condition already present a line upper

Use 'const' qualifier for pointrs to code used at run-time (the code must not be changed)

Reorder fields for better nenory consumtion and data locality on 64-bit systems

Use efree_size() instead of efree() where posible

Move =&new deprecation message into compiler

Handle remaining magic constants in parser as well

As far as I can see the !filename case cannot occur, so I dropped
it.

Don't alloc empty jmp opnum list for single-branch if

Fixed return operand type (Use IS_TMP_VAR instead of IS_VAR in the same way as it was before AST patch)

fixed several long vs zend_long casts

Fixed compile-time constants substitution

Remove ZEND_ACC_INTERACTIVE and CG(interactive)

As far as I can discern these are leftovers of the interactive
shell implementation that was used before PHP 5.4. Now the readline
ext

Remove ZEND_ACC_INTERACTIVE and CG(interactive)

As far as I can discern these are leftovers of the interactive
shell implementation that was used before PHP 5.4. Now the readline
ext makes use of normal eval calls for this.

So, dropping these until there is evidence to the contrary, as they
currently wouldn't work anyway.

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make bp type uint32_t everywhere

Add zend_string_equals and zend_string_equals_literal