golden hour

/opt/cpanel/ea-php81/root/usr/include/php/Zend

File/Folder	Size	Actions
Optimizer	-
zend.h	15.06 KB
zend_API.h	93.85 KB
zend_alloc.h	18.84 KB
zend_alloc_sizes.h	2.57 KB
zend_arena.h	5.92 KB
zend_ast.h	12.63 KB
zend_attributes.h	5.11 KB
zend_attributes_arginfo.h	1.78 KB
zend_bitset.h	7.74 KB
zend_build.h	1.59 KB
zend_builtin_functions.h	1.48 KB
zend_builtin_functions_arginfo.h	13.32 KB
zend_closures.h	2.24 KB
zend_closures_arginfo.h	2.04 KB
zend_compile.h	45.86 KB
zend_config.h	32 B
zend_constants.h	6.55 KB
zend_cpuinfo.h	7.38 KB
zend_dtrace.h	2 KB
zend_enum.h	2.56 KB
zend_enum_arginfo.h	1.66 KB
zend_errors.h	2.34 KB
zend_exceptions.h	4.44 KB
zend_exceptions_arginfo.h	16.94 KB
zend_execute.h	20.02 KB
zend_extensions.h	6.08 KB
zend_fibers.h	4.61 KB
zend_fibers_arginfo.h	3.49 KB
zend_float.h	15.08 KB
zend_gc.h	3.82 KB
zend_gdb.h	1.39 KB
zend_generators.h	7.24 KB
zend_generators_arginfo.h	2.72 KB
zend_globals.h	8.81 KB
zend_globals_macros.h	2.74 KB
zend_hash.h	39.67 KB
zend_highlight.h	2.24 KB
zend_inheritance.h	2.3 KB
zend_ini.h	10.05 KB
zend_ini_parser.h	3.43 KB
zend_ini_scanner.h	1.84 KB
zend_ini_scanner_defs.h	183 B
zend_interfaces.h	3.7 KB
zend_interfaces_arginfo.h	7.84 KB
zend_istdiostream.h	1.5 KB
zend_iterators.h	3.5 KB
zend_language_parser.h	10.48 KB
zend_language_scanner.h	2.97 KB
zend_language_scanner_defs.h	263 B
zend_list.h	3.39 KB
zend_llist.h	3.71 KB
zend_long.h	4.12 KB
zend_map_ptr.h	3.57 KB
zend_max_execution_timer.h	1.45 KB
zend_modules.h	4.72 KB
zend_multibyte.h	4.78 KB
zend_multiply.h	9.62 KB
zend_object_handlers.h	13.97 KB
zend_objects.h	1.77 KB
zend_objects_API.h	4.54 KB
zend_observer.h	4.21 KB
zend_operators.h	29.56 KB
zend_portability.h	21.64 KB
zend_ptr_stack.h	4.19 KB
zend_range_check.h	2.93 KB
zend_signal.h	3.98 KB
zend_smart_str.h	5.67 KB
zend_smart_str_public.h	1.1 KB
zend_smart_string.h	4.11 KB
zend_smart_string_public.h	1.21 KB
zend_sort.h	1.5 KB
zend_stack.h	2.3 KB
zend_stream.h	3.53 KB
zend_string.h	19.23 KB
zend_strtod.h	2.1 KB
zend_strtod_int.h	3.33 KB
zend_system_id.h	1.37 KB
zend_type_info.h	4.29 KB
zend_types.h	45.2 KB
zend_variables.h	2.99 KB
zend_virtual_cwd.h	12.32 KB
zend_vm.h	1.91 KB
zend_vm_def.h	277.72 KB
zend_vm_execute.h	2.01 MB
zend_vm_handlers.h	89.42 KB
zend_vm_opcodes.h	12.43 KB
zend_vm_trace_handlers.h	3.14 KB
zend_vm_trace_lines.h	1.71 KB
zend_vm_trace_map.h	2.6 KB
zend_weakrefs.h	1.67 KB
zend_weakrefs_arginfo.h	3.4 KB

Edit: zend_gc.h

/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) Zend Technologies Ltd. (http://www.zend.com)           |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: David Wang <planetbeing@gmail.com>                          |
   |          Dmitry Stogov <dmitry@php.net>                              |
   +----------------------------------------------------------------------+
*/

#ifndef ZEND_GC_H
#define ZEND_GC_H

BEGIN_EXTERN_C()

typedef struct _zend_gc_status {
	uint32_t runs;
	uint32_t collected;
	uint32_t threshold;
	uint32_t num_roots;
} zend_gc_status;

ZEND_API extern int (*gc_collect_cycles)(void);

ZEND_API void ZEND_FASTCALL gc_possible_root(zend_refcounted *ref);
ZEND_API void ZEND_FASTCALL gc_remove_from_buffer(zend_refcounted *ref);

/* enable/disable automatic start of GC collection */
ZEND_API bool gc_enable(bool enable);
ZEND_API bool gc_enabled(void);

/* enable/disable possible root additions */
ZEND_API bool gc_protect(bool protect);
ZEND_API bool gc_protected(void);

/* The default implementation of the gc_collect_cycles callback. */
ZEND_API int  zend_gc_collect_cycles(void);

ZEND_API void zend_gc_get_status(zend_gc_status *status);

void gc_globals_ctor(void);
void gc_globals_dtor(void);
void gc_reset(void);

#ifdef ZTS
size_t zend_gc_globals_size(void);
#endif

#define GC_REMOVE_FROM_BUFFER(p) do { \
		zend_refcounted *_p = (zend_refcounted*)(p); \
		if (GC_TYPE_INFO(_p) & GC_INFO_MASK) { \
			gc_remove_from_buffer(_p); \
		} \
	} while (0)

#define GC_MAY_LEAK(ref) \
	((GC_TYPE_INFO(ref) & \
		(GC_INFO_MASK | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))) == 0)

static zend_always_inline void gc_check_possible_root(zend_refcounted *ref)
{
	if (EXPECTED(GC_TYPE_INFO(ref) == GC_REFERENCE)) {
		zval *zv = &((zend_reference*)ref)->val;

if (!Z_COLLECTABLE_P(zv)) {
			return;
		}
		ref = Z_COUNTED_P(zv);
	}
	if (UNEXPECTED(GC_MAY_LEAK(ref))) {
		gc_possible_root(ref);
	}
}

/* These APIs can be used to simplify object get_gc implementations
 * over heterogeneous structures. See zend_generator_get_gc() for
 * a usage example. */

typedef struct {
	zval *cur;
	zval *end;
	zval *start;
} zend_get_gc_buffer;

ZEND_API zend_get_gc_buffer *zend_get_gc_buffer_create(void);
ZEND_API void zend_get_gc_buffer_grow(zend_get_gc_buffer *gc_buffer);

static zend_always_inline void zend_get_gc_buffer_add_zval(
		zend_get_gc_buffer *gc_buffer, zval *zv) {
	if (Z_REFCOUNTED_P(zv)) {
		if (UNEXPECTED(gc_buffer->cur == gc_buffer->end)) {
			zend_get_gc_buffer_grow(gc_buffer);
		}
		ZVAL_COPY_VALUE(gc_buffer->cur, zv);
		gc_buffer->cur++;
	}
}

static zend_always_inline void zend_get_gc_buffer_add_obj(
		zend_get_gc_buffer *gc_buffer, zend_object *obj) {
	if (UNEXPECTED(gc_buffer->cur == gc_buffer->end)) {
		zend_get_gc_buffer_grow(gc_buffer);
	}
	ZVAL_OBJ(gc_buffer->cur, obj);
	gc_buffer->cur++;
}

static zend_always_inline void zend_get_gc_buffer_use(
		zend_get_gc_buffer *gc_buffer, zval **table, int *n) {
	*table = gc_buffer->start;
	*n = gc_buffer->cur - gc_buffer->start;
}

END_EXTERN_C()

#endif /* ZEND_GC_H */