Drop various unused macros/APIs

Also convert_libmagic_pattern() to return a zend_string*

Closes phpGH-6029

Author: Girgias

UPGRADING.INTERNALS

@@ -22,6 +22,7 @@ PHP 8.0 INTERNALS UPGRADE NOTES
   s. zend_fcall_info no_separation flag removed
   t. Signature changes
   u. Error Notification callbacks to replace zend_error_cb overwrite use-cases
+  v. Removed Zend APIs
 
 2. Build system changes
   a. Abstract
@@ -201,6 +202,17 @@ PHP 8.0 INTERNALS UPGRADE NOTES
 		}
 		zend_register_error_notify_callback(my_error_notify_cb);
 
+  v. The following APIs have been removed from the Zend Engine:
+     - zend_ts_hash_init_ex(), drop the last argument and use zend_ts_hash_init() instead
+     - zend_hash_init_ex(), drop the last argument and use zend_hash_init() instead
+     - zval_internal_dtor(), use zval_internal_ptr_dtor() instead
+     - zval_dtor_func(), use rc_dtor_func() instead
+     - zval_ptr_dtor_wrapper(), use zval_ptr_dtor() instead
+     - zval_internal_ptr_dtor_wrapper(), use zval_internal_ptr_dtor() instead
+
+  w. The following APIs have been renamed:
+     - _zend_ts_hash_init() to zend_ts_hash_init()
+
 ========================
 2. Build system changes
 ========================

Zend/zend.c

@@ -650,17 +650,17 @@ static void compiler_globals_ctor(zend_compiler_globals *compiler_globals) /* {{
 	compiler_globals->compiled_filename = NULL;
 
 	compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
-	zend_hash_init_ex(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0);
+	zend_hash_init(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1);
 	zend_hash_copy(compiler_globals->function_table, global_function_table, function_copy_ctor);
 
 	compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
-	zend_hash_init_ex(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1, 0);
+	zend_hash_init(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1);
 	zend_hash_copy(compiler_globals->class_table, global_class_table, zend_class_add_ref);
 
 	zend_set_default_compile_time_values();
 
 	compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
-	zend_hash_init_ex(compiler_globals->auto_globals, 8, NULL, auto_global_dtor, 1, 0);
+	zend_hash_init(compiler_globals->auto_globals, 8, NULL, auto_global_dtor, 1);
 	zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, auto_global_copy_ctor);
 
 	compiler_globals->script_encoding_list = NULL;
@@ -894,12 +894,12 @@ int zend_startup(zend_utility_functions *utility_functions) /* {{{ */
 	GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
 	GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
 
-	zend_hash_init_ex(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0);
-	zend_hash_init_ex(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1, 0);
-	zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1, 0);
-	zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1, 0);
+	zend_hash_init(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1);
+	zend_hash_init(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1);
+	zend_hash_init(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1);
+	zend_hash_init(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1);
 
-	zend_hash_init_ex(&module_registry, 32, NULL, module_destructor_zval, 1, 0);
+	zend_hash_init(&module_registry, 32, NULL, module_destructor_zval, 1);
 	zend_init_rsrc_list_dtors();
 
 #ifdef ZTS

Zend/zend_compile.c

@@ -1810,9 +1810,9 @@ ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify
 
 	ce->default_properties_table = NULL;
 	ce->default_static_members_table = NULL;
-	zend_hash_init_ex(&ce->properties_info, 8, NULL, (persistent_hashes ? zend_destroy_property_info_internal : NULL), persistent_hashes, 0);
-	zend_hash_init_ex(&ce->constants_table, 8, NULL, NULL, persistent_hashes, 0);
-	zend_hash_init_ex(&ce->function_table, 8, NULL, ZEND_FUNCTION_DTOR, persistent_hashes, 0);
+	zend_hash_init(&ce->properties_info, 8, NULL, (persistent_hashes ? zend_destroy_property_info_internal : NULL), persistent_hashes);
+	zend_hash_init(&ce->constants_table, 8, NULL, NULL, persistent_hashes);
+	zend_hash_init(&ce->function_table, 8, NULL, ZEND_FUNCTION_DTOR, persistent_hashes);
 
 	if (ce->type == ZEND_INTERNAL_CLASS) {
 		ZEND_MAP_PTR_INIT(ce->static_members_table, NULL);

Zend/zend_hash.h

@@ -103,8 +103,6 @@ ZEND_API void ZEND_FASTCALL zend_hash_clean(HashTable *ht);
 
 #define zend_hash_init(ht, nSize, pHashFunction, pDestructor, persistent) \
 	_zend_hash_init((ht), (nSize), (pDestructor), (persistent))
-#define zend_hash_init_ex(ht, nSize, pHashFunction, pDestructor, persistent, bApplyProtection) \
-	_zend_hash_init((ht), (nSize), (pDestructor), (persistent))
 
 ZEND_API void ZEND_FASTCALL zend_hash_real_init(HashTable *ht, zend_bool packed);
 ZEND_API void ZEND_FASTCALL zend_hash_real_init_packed(HashTable *ht);

Zend/zend_ini.c

@@ -96,7 +96,7 @@ ZEND_API int zend_ini_startup(void) /* {{{ */
 	EG(ini_directives) = registered_zend_ini_directives;
 	EG(modified_ini_directives) = NULL;
 	EG(error_reporting_ini_entry) = NULL;
-	zend_hash_init_ex(registered_zend_ini_directives, 128, NULL, free_ini_entry, 1, 0);
+	zend_hash_init(registered_zend_ini_directives, 128, NULL, free_ini_entry, 1);
 	return SUCCESS;
 }
 /* }}} */
@@ -164,7 +164,7 @@ ZEND_API int zend_copy_ini_directives(void) /* {{{ */
 	EG(modified_ini_directives) = NULL;
 	EG(error_reporting_ini_entry) = NULL;
 	EG(ini_directives) = (HashTable *) malloc(sizeof(HashTable));
-	zend_hash_init_ex(EG(ini_directives), registered_zend_ini_directives->nNumOfElements, NULL, free_ini_entry, 1, 0);
+	zend_hash_init(EG(ini_directives), registered_zend_ini_directives->nNumOfElements, NULL, free_ini_entry, 1);
 	zend_hash_copy(EG(ini_directives), registered_zend_ini_directives, copy_ini_entry);
 	return SUCCESS;
 }

Zend/zend_language_scanner.l

@@ -699,7 +699,7 @@ ZEND_API zend_ast *zend_compile_string_to_ast(
 	zend_restore_lexical_state(&original_lex_state);
 	CG(in_compilation) = original_in_compilation;
 
-	zval_dtor(&code_zv);
+	zval_ptr_dtor_str(&code_zv);
 
 	return ast;
 }

Zend/zend_list.c

@@ -213,7 +213,7 @@ ZEND_API int zend_init_rsrc_list(void)
 
 int zend_init_rsrc_plist(void)
 {
-	zend_hash_init_ex(&EG(persistent_list), 8, NULL, plist_entry_destructor, 1, 0);
+	zend_hash_init(&EG(persistent_list), 8, NULL, plist_entry_destructor, 1);
 	return SUCCESS;
 }
 

Zend/zend_ts_hash.c

@@ -57,7 +57,7 @@ static void end_write(TsHashTable *ht)
 }
 
 /* delegates */
-ZEND_API void _zend_ts_hash_init(TsHashTable *ht, uint32_t nSize, dtor_func_t pDestructor, zend_bool persistent)
+ZEND_API void zend_ts_hash_init(TsHashTable *ht, uint32_t nSize, dtor_func_t pDestructor, zend_bool persistent)
 {
 #ifdef ZTS
 	ht->mx_reader = tsrm_mutex_alloc();

Zend/zend_ts_hash.h

@@ -35,15 +35,10 @@ BEGIN_EXTERN_C()
 #define TS_HASH(table) (&(table->hash))
 
 /* startup/shutdown */
-ZEND_API void _zend_ts_hash_init(TsHashTable *ht, uint32_t nSize, dtor_func_t pDestructor, zend_bool persistent);
+ZEND_API void zend_ts_hash_init(TsHashTable *ht, uint32_t nSize, dtor_func_t pDestructor, zend_bool persistent);
 ZEND_API void zend_ts_hash_destroy(TsHashTable *ht);
 ZEND_API void zend_ts_hash_clean(TsHashTable *ht);
 
-#define zend_ts_hash_init(ht, nSize, pHashFunction, pDestructor, persistent)	\
-	_zend_ts_hash_init(ht, nSize, pDestructor, persistent)
-#define zend_ts_hash_init_ex(ht, nSize, pHashFunction, pDestructor, persistent, bApplyProtection)	\
-	_zend_ts_hash_init(ht, nSize, pDestructor, persistent)
-
 
 /* additions/updates/changes */
 ZEND_API zval *zend_ts_hash_update(TsHashTable *ht, zend_string *key, zval *pData);

Zend/zend_variables.h

@@ -81,10 +81,6 @@ ZEND_API void zval_internal_ptr_dtor(zval *zvalue);
 
 /* Kept for compatibility */
 #define zval_dtor(zvalue) zval_ptr_dtor_nogc(zvalue)
-#define zval_internal_dtor(zvalue) zval_internal_ptr_dtor(zvalue)
-#define zval_dtor_func rc_dtor_func
-#define zval_ptr_dtor_wrapper zval_ptr_dtor
-#define zval_internal_ptr_dtor_wrapper zval_internal_ptr_dtor
 
 ZEND_API void zval_add_ref(zval *p);