Introduce Zend guard recursion protection

This PR introduces a new way of recursion protection in JSON, var_dump
and friends. It fixes issue in master for __debugInfo and also improves

Introduce Zend guard recursion protection

This PR introduces a new way of recursion protection in JSON, var_dump
and friends. It fixes issue in master for __debugInfo and also improves
perf for jsonSerializable in some cases. More info can be found in
GH-10020.

Closes GH-11812

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Expose JSON internal function to escape string

RFC - json_validate() (#9399)

* Add `json_validate(string $json, int $depth = 512, int $flags = 0): bool` from https://wiki.php.net/rfc/json_validate
* In json_validate, use a different

RFC - json_validate() (#9399)

* Add `json_validate(string $json, int $depth = 512, int $flags = 0): bool` from https://wiki.php.net/rfc/json_validate
* In json_validate, use a different set of C no-op functions for creating/updating
arrays/objects when validating while reusing the unmodified parser/scanner code
* Forbid unsupported flags in json_validate()
* Remove test of passing NULL as parameter (normal behavior of https://wiki.php.net/rfc/deprecate_null_to_scalar_internal_arg for internal functions)

Co-authored-by: jcm <juan.carlos.morales@tradebyte.com>

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Reduce memory allocated by var_export, json_encode, serialize, and other (#8902)

smart_str uses an over-allocated string to optimize for append operations. Functions that use smart_str tend

Reduce memory allocated by var_export, json_encode, serialize, and other (#8902)

smart_str uses an over-allocated string to optimize for append operations. Functions that use smart_str tend to return the over-allocated string directly. This results in unnecessary memory usage, especially for small strings.

The overhead can be up to 231 bytes for strings smaller than that, and 4095 for other strings. This can be avoided for strings smaller than `4096 - zend_string header size - 1` by reallocating the string.

This change introduces `smart_str_trim_to_size()`, and calls it in `smart_str_extract()`. Functions that use `smart_str` are updated to use `smart_str_extract()`.

Fixes GH-8896

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Declare ext/json constants in stubs (#8716)

Merge branch 'PHP-8.1'

* PHP-8.1:
Register JSON_ERROR_NON_BACKED_ENUM constant (#8285)

Register JSON_ERROR_NON_BACKED_ENUM constant (#8285)

Fixes GH-8238

Use more appropriate types in JSON extension (#8194)

Mainly zend_result

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as 3.0 states "php 5.1.1, 4.1.1, and earlier".
3. In some license comments is "at through the world-wide-web" while most is without "at", so deleted.
4. fixed indentation in some files before |

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Implement enums

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

Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

Closes GH-6489.

Generate class entries from stubs for another batch of extensions

Closes GH-6669

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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Remove Z_PARAM separate params where they don't make sense

Separation can only possibly make sense for array parameters
(or something that can contain arrays, like zval parameters). It

Remove Z_PARAM separate params where they don't make sense

Separation can only possibly make sense for array parameters
(or something that can contain arrays, like zval parameters). It
never makes sense to separate a bool.

The deref parameters are also of dubious utility, but leaving them
for now.

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Don't leak json error_code across requests

Remove proto comments from C files

Closes GH-5758

Constify char * arguments of APIs

Closes GH-5676.

Generate method entries from stubs for a couple of extensions

Closes GH-5368

Improve some ValueError messages

Closes GH-5340

Generate functions entries from stubs for another set of extensions

Closes GH-5351

Convert zend_parse_parameters_none() to fast ZPP

I've done the conversion in those extensions where fast ZPP is predominant.

Use RETURN_THROWS() after zend_throw_exception() in most of the extensions

Use RETURN_THROWS() after zend_value_error()

Use RETURN_THROWS() during ZPP in most of the extensions

Except for some bigger ones: reflection, sodium, spl

Convert warnings to ValueError

Add arginfo stub for JsonSerializable