We don't need map_ptr slots for op_array.run_time_cache during preloading.

Fix static variable behavior with inheritance

When a method is inherited, the static variables will now always
use the initial values, rather than the values at the time of
inheritan

Fix static variable behavior with inheritance

When a method is inherited, the static variables will now always
use the initial values, rather than the values at the time of
inheritance. As such, behavior no longer depends on whether
inheritance happens before or after a method has been called.

This is implemented by always keeping static_variables as the
original values, and static_variables_ptr as the modified copy.

Closes GH-6705.

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Merge branch 'PHP-8.0'

* PHP-8.0:
Fix assertion failure in cufa optimization with named args

Fix assertion failure in cufa optimization with named args

Fixes oss-fuzz#30764.

Link unbound simple classes (without parent/intefaces/traits) in first place.

Use zend_type.ce_cache__ptr for caching class resulution during argument/result type checks

Added Inheritance Cache.

This is a new transparent technology that eliminates overhead of PHP class inheritance.

PHP classes are compiled and cached (by opcahce) separately, howeve

Added Inheritance Cache.

This is a new transparent technology that eliminates overhead of PHP class inheritance.

PHP classes are compiled and cached (by opcahce) separately, however their "linking" was done at run-time - on each request. The process of "linking" may involve a number of compatibility checks and borrowing methods/properties/constants form parent and traits. This takes significant time, but the result is the same on each request.

Inheritance Cache performs "linking" for unique set of all the depending classes (parent, interfaces, traits, property types, method types involved into compatibility checks) once and stores result in opcache shared memory. As a part of the this patch, I removed limitations for immutable classes (unresolved constants, typed properties and covariant type checks). So now all classes stored in opcache are "immutable". They may be lazily loaded into process memory, if necessary, but this usually occurs just once (on first linking).

The patch shows 8% improvement on Symphony "Hello World" app.

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Add support for string keys in array unpacking

This adds support for:

$array1 = ['a' => 1, 'b' => 2];
$array2 = ['b' => 3, 'c' => 4];
$array = [...$array1, ...$a

Add support for string keys in array unpacking

This adds support for:

$array1 = ['a' => 1, 'b' => 2];
$array2 = ['b' => 3, 'c' => 4];
$array = [...$array1, ...$array2];
// => ['a' => 1, 'b' => 3, 'c' => 4]

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

Closes GH-6584.

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Merge branch 'PHP-8.0'

* PHP-8.0:
Improve switch continue warning

Improve switch continue warning

Don't suggest "continue N+1" if there is no wrapping loop. The
resulting code would be illegal.

Improve error message for leading comma in keyed list assignment

Print "Cannot use empty array entries in keyed array assignment"
instead of "Cannot mix keyed and unkeyed array entries i

Improve error message for leading comma in keyed list assignment

Print "Cannot use empty array entries in keyed array assignment"
instead of "Cannot mix keyed and unkeyed array entries in assignments"
for a leading comma.

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Fix $GLOBALS[] in isset and unset

I've previously addressed the case of assignments, but the same
issue exists for isset and unset.

Fixes oss-fuzz #29699.

Check for append to $GLOBALS

Fixes oss-fuzz #29389.

Replace zend_bool uses with bool

We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.

Of course, zend_bool

Replace zend_bool uses with bool

We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.

Of course, zend_bool is retained as an alias.

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Merge branch 'PHP-8.0'

* PHP-8.0:
Fixed bug #80596: Fix anonymous class union typehint errors

Fixed bug #80596: Fix anonymous class union typehint errors

Cut off part after null byte when resolving the class name, to
avoid cutting off a larger part lateron.

Closes GH-660

Fixed bug #80596: Fix anonymous class union typehint errors

Cut off part after null byte when resolving the class name, to
avoid cutting off a larger part lateron.

Closes GH-6601.

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Always use CG(arena) for unin type lists

Restrict allowed usages of $GLOBALS

This restricts allowed usage of $GLOBALS, with the effect that
plain PHP arrays can no longer contain INDIRECT elements.

RFC: https://wiki.ph

Restrict allowed usages of $GLOBALS

This restricts allowed usage of $GLOBALS, with the effect that
plain PHP arrays can no longer contain INDIRECT elements.

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

Closes GH-6487.

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Fix use after free with file cache and arena allocated strings

Fixed bug #80334

If assert() was called with named args, add description as named
arg as well.

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fix dynamic function definition in preload script

Fix dynamic function definition in preload script

We should use normal function renaming if the function is declared
during preloading itself, rather than afterwards.

This fixes

Fix dynamic function definition in preload script

We should use normal function renaming if the function is declared
during preloading itself, rather than afterwards.

This fixes a regression introduced by
68f80be9d1380de731930187250a7ed6b55ae196.

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Don't disable early binding during preloading script

We should only disable early binding during the opcache_compile_file()
calls, not inside the preloading script or anything it include

Don't disable early binding during preloading script

We should only disable early binding during the opcache_compile_file()
calls, not inside the preloading script or anything it includes.
The right condition to check for is whether we compile the file
without execution, as declaring classes is "execution".

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Improved error message for typed class properties with null as default value

Closes GH-6396.

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fixed run-time binding of preloaded dynamically declared function