chore: standardize the visibility of functions. (#10708)

Co-authored-by: Marcos Marcolin <marcos@ixcsoft.com.br>

Author: marcosmarcolin

ext/spl/spl_array.c

@@ -1054,7 +1054,7 @@ static const zend_object_iterator_funcs spl_array_it_funcs = {
 	spl_array_it_get_gc,
 };
 
-zend_object_iterator *spl_array_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
+static zend_object_iterator *spl_array_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
 {
 	zend_object_iterator *iterator = emalloc(sizeof(zend_object_iterator));
 	zend_iterator_init(iterator);

ext/spl/spl_directory.c

@@ -695,7 +695,7 @@ static inline HashTable *spl_filesystem_object_get_debug_info(zend_object *objec
 }
 /* }}} */
 
-zend_function *spl_filesystem_object_get_method_check(zend_object **object, zend_string *method, const zval *key) /* {{{ */
+static zend_function *spl_filesystem_object_get_method_check(zend_object **object, zend_string *method, const zval *key) /* {{{ */
 {
 	spl_filesystem_object *fsobj = spl_filesystem_from_obj(*object);
 
@@ -711,7 +711,7 @@ zend_function *spl_filesystem_object_get_method_check(zend_object **object, zend
 #define DIT_CTOR_FLAGS  0x00000001
 #define DIT_CTOR_GLOB   0x00000002
 
-void spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAMETERS, zend_long ctor_flags) /* {{{ */
+static void spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAMETERS, zend_long ctor_flags) /* {{{ */
 {
 	spl_filesystem_object *intern;
 	zend_string *path;
@@ -1637,7 +1637,7 @@ static const zend_object_iterator_funcs spl_filesystem_dir_it_funcs = {
 /* }}} */
 
 /* {{{ spl_ce_dir_get_iterator */
-zend_object_iterator *spl_filesystem_dir_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
+static zend_object_iterator *spl_filesystem_dir_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
 {
 	spl_filesystem_iterator *iterator;
 	spl_filesystem_object *dir_object;
@@ -1830,7 +1830,7 @@ static const zend_object_iterator_funcs spl_filesystem_tree_it_funcs = {
 /* }}} */
 
 /* {{{ spl_ce_dir_get_iterator */
-zend_object_iterator *spl_filesystem_tree_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
+static zend_object_iterator *spl_filesystem_tree_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
 {
 	spl_filesystem_iterator *iterator;
 	spl_filesystem_object *dir_object;

ext/spl/spl_dllist.c

@@ -1223,7 +1223,7 @@ static const zend_object_iterator_funcs spl_dllist_it_funcs = {
 	NULL, /* get_gc */
 }; /* }}} */
 
-zend_object_iterator *spl_dllist_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
+static zend_object_iterator *spl_dllist_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
 {
 	spl_dllist_object *dllist_object = Z_SPLDLLIST_P(object);
 

ext/spl/spl_fixedarray.c

@@ -927,7 +927,7 @@ static const zend_object_iterator_funcs spl_fixedarray_it_funcs = {
 	NULL, /* get_gc */
 };
 
-zend_object_iterator *spl_fixedarray_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
+static zend_object_iterator *spl_fixedarray_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
 {
 	spl_fixedarray_it *iterator;
 

ext/spl/spl_heap.c

@@ -1085,7 +1085,7 @@ static const zend_object_iterator_funcs spl_pqueue_it_funcs = {
 	NULL, /* get_gc */
 };
 
-zend_object_iterator *spl_heap_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
+static zend_object_iterator *spl_heap_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
 {
 	if (by_ref) {
 		zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");
@@ -1104,7 +1104,7 @@ zend_object_iterator *spl_heap_get_iterator(zend_class_entry *ce, zval *object,
 }
 /* }}} */
 
-zend_object_iterator *spl_pqueue_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
+static zend_object_iterator *spl_pqueue_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
 {
 	if (by_ref) {
 		zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");

ext/spl/spl_iterators.c

@@ -2901,7 +2901,7 @@ int spl_append_it_next_iterator(spl_dual_it_object *intern) /* {{{*/
 	}
 } /* }}} */
 
-void spl_append_it_fetch(spl_dual_it_object *intern) /* {{{*/
+static void spl_append_it_fetch(spl_dual_it_object *intern) /* {{{*/
 {
 	while (spl_dual_it_valid(intern) != SUCCESS) {
 		intern->u.append.iterator->funcs->move_forward(intern->u.append.iterator);
@@ -2912,7 +2912,7 @@ void spl_append_it_fetch(spl_dual_it_object *intern) /* {{{*/
 	spl_dual_it_fetch(intern, 0);
 } /* }}} */
 
-void spl_append_it_next(spl_dual_it_object *intern) /* {{{ */
+static void spl_append_it_next(spl_dual_it_object *intern) /* {{{ */
 {
 	if (spl_dual_it_valid(intern) == SUCCESS) {
 		spl_dual_it_next(intern, 1);

ext/spl/spl_observer.c

@@ -173,7 +173,7 @@ static spl_SplObjectStorageElement *spl_object_storage_attach_handle(spl_SplObje
 	return pelement;
 } /* }}} */
 
-spl_SplObjectStorageElement *spl_object_storage_attach(spl_SplObjectStorage *intern, zend_object *obj, zval *inf) /* {{{ */
+static spl_SplObjectStorageElement *spl_object_storage_attach(spl_SplObjectStorage *intern, zend_object *obj, zval *inf) /* {{{ */
 {
 	if (EXPECTED(!(intern->flags & SOS_OVERRIDDEN_WRITE_DIMENSION))) {
 		return spl_object_storage_attach_handle(intern, obj, inf);
@@ -238,7 +238,7 @@ static zend_result spl_object_storage_detach(spl_SplObjectStorage *intern, zend_
 	return ret;
 } /* }}}*/
 
-void spl_object_storage_addall(spl_SplObjectStorage *intern, spl_SplObjectStorage *other) { /* {{{ */
+static void spl_object_storage_addall(spl_SplObjectStorage *intern, spl_SplObjectStorage *other) { /* {{{ */
 	spl_SplObjectStorageElement *element;
 
 	ZEND_HASH_FOREACH_PTR(&other->storage, element) {
@@ -406,7 +406,7 @@ static zend_object *spl_SplObjectStorage_new(zend_class_entry *class_type)
 /* }}} */
 
 /* Returns true if the SplObjectStorage contains an entry for getHash(obj), even if the corresponding value is null. */
-bool spl_object_storage_contains(spl_SplObjectStorage *intern, zend_object *obj) /* {{{ */
+static bool spl_object_storage_contains(spl_SplObjectStorage *intern, zend_object *obj) /* {{{ */
 {
 	if (EXPECTED(!intern->fptr_get_hash)) {
 		return zend_hash_index_find(&intern->storage, obj->handle) != NULL;