Intern auto global name strings in first place

Enable and fix printf() format warnings

Add _unchecked() variants of zend_spprintf and zend_strpprintf for
cases where we specifically want to disable these checks, such as
use of %H.

Avoid unnecessary reference-counting on strings.

Removed "_" from API functions.

Use internet strings for EG(ini_entries)

Encapsulate reference-counting primitives.
Prohibit direct update of GC_REFCOUNT(), GC_SET_REFCOUNT(), GC_ADDREF() and GC_DELREF() shoukf be instead.
Added mactros to validate reference-count

Encapsulate reference-counting primitives.
Prohibit direct update of GC_REFCOUNT(), GC_SET_REFCOUNT(), GC_ADDREF() and GC_DELREF() shoukf be instead.
Added mactros to validate reference-counting (disabled for now).
These macros are going to be used to eliminate race-condintions during reference-counting on data shared between threads.

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Move a part of opcache initialization into post_startup phase (when all extensions already loaded).

Refactored recursion pretection

Fixed bug #75252

Fixed bug #75063

fixed #endif comments

move zend_ato*() to size_t and remove casts

Move cwd_state and path related routines to size_t

Having `int` there is no real profit in the size or speed, while unsigned
improves security and overall integration. ZPP supplied strin

Move cwd_state and path related routines to size_t

Having `int` there is no real profit in the size or speed, while unsigned
improves security and overall integration. ZPP supplied strings can
be then accepted directly and structs can be still handled with smaller
unsigned types for size reasons, which is safe. Yet some related places
are to go.

basic move tsrm_realpath_r to size_t

fix conditions and sync with affected places

touch ocurrences of php_sys_readlink usage

follow up on phar path handling

remove duplicated check

move zend_resolve_path and related pieces to size_t

touch yet resolve path related places

remove cast

missing pieces

missing piece

yet cleanups for php_sys_readlink for ssize_t

fix wrong return

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further sync for vim mode lines

Bug #74815 crash with a combination of INI entries at startup

TS related VCWD routines depend on CWD. Thus, a premature CWD
deactivation renders the VCWD layer unusable. Same issue seems

Bug #74815 crash with a combination of INI entries at startup

TS related VCWD routines depend on CWD. Thus, a premature CWD
deactivation renders the VCWD layer unusable. Same issue seems to
persist in versions < 7.2, just that the code path is actually unused so
the issue didn't show up. Still might make sense to backport this into
lower branches.

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Removed EG(valid_symbol_table). Used EG(active) instead.

Move va_copy compatibility code into zend_portability.h

Previously this was defined in zend.c and php.h and also handled
in another way in soap.c.

Remove unnecessary string copy

shutdown_executor() refactoring (reuse opcache fast request shutdown code)

Constify to void build warning for C++ ext. [-Wwrite-strings]

Example (with v8js):

/builddir/build/BUILD/php-pecl-v8js-1.3.4/NTS/v8js_class.cc: In function 'void v8js_execute_script

Constify to void build warning for C++ ext. [-Wwrite-strings]

Example (with v8js):

/builddir/build/BUILD/php-pecl-v8js-1.3.4/NTS/v8js_class.cc: In function 'void v8js_execute_script(zval*, v8js_script*, long int, long int, long int, zval**)':
/usr/include/php/Zend/zend.h:204:57: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
#define zend_bailout() _zend_bailout(__FILE__, __LINE__)
^
/builddir/build/BUILD/php-pecl-v8js-1.3.4/NTS/v8js_class.cc:633:3: note: in expansion of macro 'zend_bailout'
zend_bailout();
^~~~~~~~~~~~

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Interned strings unification for TS/NTS

Hereby, interned strings are supported in thread safe PHP. The patch
implements two types of interned strings

- interning per process, st

Interned strings unification for TS/NTS

Hereby, interned strings are supported in thread safe PHP. The patch
implements two types of interned strings

- interning per process, strings are not freed till process end
- interning per request, strings are freed at request end

There is no runtime interning.

With Opcache, all the permanent iterned strings are copied into SHM on
startup, additional copying into SHM might happen on demand.

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use the delivered global arg instead of fetching it

initialize valid_symbol_table, important for the main thread

to prevent php_errormsg population on invalid symlol_table

Added EG(flags) - executor global flags
EG_FLAGS_IN_SHUTDOWN - is set when PHP is in shutdown state

Fixed bug #73965 DTrace reported as enabled when disabled