ext/spl: mark all zend_object_handlers as static (#13547)

Author: Girgias

ext/spl/spl_array.c

@@ -34,12 +34,12 @@
 #include "spl_exceptions.h"
 
 /* Defined later in the file */
-zend_object_handlers spl_handler_ArrayIterator;
+static zend_object_handlers spl_handler_ArrayIterator;
 PHPAPI zend_class_entry  *spl_ce_ArrayIterator;
 PHPAPI zend_class_entry  *spl_ce_RecursiveArrayIterator;
 
 /* ArrayObject class */
-zend_object_handlers spl_handler_ArrayObject;
+static zend_object_handlers spl_handler_ArrayObject;
 PHPAPI zend_class_entry  *spl_ce_ArrayObject;
 
 typedef struct _spl_array_object {

ext/spl/spl_dllist.c

@@ -33,7 +33,7 @@
 #include "spl_dllist_arginfo.h"
 #include "spl_exceptions.h"
 
-zend_object_handlers spl_handler_SplDoublyLinkedList;
+static zend_object_handlers spl_handler_SplDoublyLinkedList;
 PHPAPI zend_class_entry  *spl_ce_SplDoublyLinkedList;
 PHPAPI zend_class_entry  *spl_ce_SplQueue;
 PHPAPI zend_class_entry  *spl_ce_SplStack;

ext/spl/spl_fixedarray.c

@@ -33,7 +33,7 @@
 #include "spl_iterators.h"
 #include "ext/json/php_json.h"
 
-zend_object_handlers spl_handler_SplFixedArray;
+static zend_object_handlers spl_handler_SplFixedArray;
 PHPAPI zend_class_entry *spl_ce_SplFixedArray;
 
 #ifdef COMPILE_DL_SPL_FIXEDARRAY

ext/spl/spl_heap.c

@@ -33,8 +33,8 @@
 
 #define SPL_HEAP_CORRUPTED       0x00000001
 
-zend_object_handlers spl_handler_SplHeap;
-zend_object_handlers spl_handler_SplPriorityQueue;
+static zend_object_handlers spl_handler_SplHeap;
+static zend_object_handlers spl_handler_SplPriorityQueue;
 
 PHPAPI zend_class_entry  *spl_ce_SplHeap;
 PHPAPI zend_class_entry  *spl_ce_SplMaxHeap;

ext/spl/spl_observer.c

@@ -42,7 +42,7 @@ PHPAPI zend_class_entry     *spl_ce_SplSubject;
 PHPAPI zend_class_entry     *spl_ce_SplObjectStorage;
 PHPAPI zend_class_entry     *spl_ce_MultipleIterator;
 
-PHPAPI zend_object_handlers spl_handler_SplObjectStorage;
+static zend_object_handlers spl_handler_SplObjectStorage;
 
 /* Bit flags for marking internal functionality overridden by SplObjectStorage subclasses. */
 #define SOS_OVERRIDDEN_READ_DIMENSION  1