]> granicus.if.org Git - php/commitdiff
Re-add var_unserializer.c
authorStanislav Malyshev <stas@php.net>
Tue, 3 Jan 2017 17:44:31 +0000 (09:44 -0800)
committerStanislav Malyshev <stas@php.net>
Tue, 3 Jan 2017 17:44:31 +0000 (09:44 -0800)
ext/standard/var_unserializer.c [new file with mode: 0644]

diff --git a/ext/standard/var_unserializer.c b/ext/standard/var_unserializer.c
new file mode 100644 (file)
index 0000000..5502b00
--- /dev/null
@@ -0,0 +1,1432 @@
+/* Generated by re2c 0.13.7.5 */
+#line 1 "ext/standard/var_unserializer.re"
+/*
+  +----------------------------------------------------------------------+
+  | PHP Version 7                                                        |
+  +----------------------------------------------------------------------+
+  | Copyright (c) 1997-2016 The PHP Group                                |
+  +----------------------------------------------------------------------+
+  | This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt                                  |
+  | If you did not receive a copy of the PHP license and are unable to   |
+  | obtain it through the world-wide-web, please send a note to          |
+  | license@php.net so we can mail you a copy immediately.               |
+  +----------------------------------------------------------------------+
+  | Author: Sascha Schumann <sascha@schumann.cx>                         |
+  +----------------------------------------------------------------------+
+*/
+
+/* $Id$ */
+
+#include "php.h"
+#include "ext/standard/php_var.h"
+#include "php_incomplete_class.h"
+#include "zend_portability.h"
+
+struct php_unserialize_data {
+       void *first;
+       void *last;
+       void *first_dtor;
+       void *last_dtor;
+       HashTable *allowed_classes;
+};
+
+PHPAPI php_unserialize_data_t php_var_unserialize_init() {
+       php_unserialize_data_t d;
+       /* fprintf(stderr, "UNSERIALIZE_INIT    == lock: %u, level: %u\n", BG(serialize_lock), BG(unserialize).level); */
+       if (BG(serialize_lock) || !BG(unserialize).level) {
+               d = ecalloc(1, sizeof(struct php_unserialize_data));
+               if (!BG(serialize_lock)) {
+                       BG(unserialize).data = d;
+                       BG(unserialize).level = 1;
+               }
+       } else {
+               d = BG(unserialize).data;
+               ++BG(unserialize).level;
+       }
+       return d;
+}
+
+PHPAPI void php_var_unserialize_destroy(php_unserialize_data_t d) {
+       /* fprintf(stderr, "UNSERIALIZE_DESTROY == lock: %u, level: %u\n", BG(serialize_lock), BG(unserialize).level); */
+       if (BG(serialize_lock) || BG(unserialize).level == 1) {
+               var_destroy(&d);
+               efree(d);
+       }
+       if (!BG(serialize_lock) && !--BG(unserialize).level) {
+               BG(unserialize).data = NULL;
+       }
+}
+
+PHPAPI HashTable *php_var_unserialize_get_allowed_classes(php_unserialize_data_t d) {
+       return d->allowed_classes;
+}
+PHPAPI void php_var_unserialize_set_allowed_classes(php_unserialize_data_t d, HashTable *classes) {
+       d->allowed_classes = classes;
+}
+
+
+/* {{{ reference-handling for unserializer: var_* */
+#define VAR_ENTRIES_MAX 1024
+#define VAR_ENTRIES_DBG 0
+
+typedef struct {
+       zval *data[VAR_ENTRIES_MAX];
+       zend_long used_slots;
+       void *next;
+} var_entries;
+
+typedef struct {
+       zval data[VAR_ENTRIES_MAX];
+       zend_long used_slots;
+       void *next;
+} var_dtor_entries;
+
+static inline void var_push(php_unserialize_data_t *var_hashx, zval *rval)
+{
+       var_entries *var_hash = (*var_hashx)->last;
+#if VAR_ENTRIES_DBG
+       fprintf(stderr, "var_push(%ld): %d\n", var_hash?var_hash->used_slots:-1L, Z_TYPE_P(rval));
+#endif
+
+       if (!var_hash || var_hash->used_slots == VAR_ENTRIES_MAX) {
+               var_hash = emalloc(sizeof(var_entries));
+               var_hash->used_slots = 0;
+               var_hash->next = 0;
+
+               if (!(*var_hashx)->first) {
+                       (*var_hashx)->first = var_hash;
+               } else {
+                       ((var_entries *) (*var_hashx)->last)->next = var_hash;
+               }
+
+               (*var_hashx)->last = var_hash;
+       }
+
+       var_hash->data[var_hash->used_slots++] = rval;
+}
+
+PHPAPI void var_push_dtor(php_unserialize_data_t *var_hashx, zval *rval)
+{
+       zval *tmp_var = var_tmp_var(var_hashx);
+    if (!tmp_var) {
+        return;
+    }
+       ZVAL_COPY(tmp_var, rval);
+}
+
+PHPAPI zval *var_tmp_var(php_unserialize_data_t *var_hashx)
+{
+    var_dtor_entries *var_hash;
+
+    if (!var_hashx || !*var_hashx) {
+        return NULL;
+    }
+
+    var_hash = (*var_hashx)->last_dtor;
+    if (!var_hash || var_hash->used_slots == VAR_ENTRIES_MAX) {
+        var_hash = emalloc(sizeof(var_dtor_entries));
+        var_hash->used_slots = 0;
+        var_hash->next = 0;
+
+        if (!(*var_hashx)->first_dtor) {
+            (*var_hashx)->first_dtor = var_hash;
+        } else {
+            ((var_dtor_entries *) (*var_hashx)->last_dtor)->next = var_hash;
+        }
+
+        (*var_hashx)->last_dtor = var_hash;
+    }
+    ZVAL_UNDEF(&var_hash->data[var_hash->used_slots]);
+    return &var_hash->data[var_hash->used_slots++];
+}
+
+PHPAPI void var_replace(php_unserialize_data_t *var_hashx, zval *ozval, zval *nzval)
+{
+       zend_long i;
+       var_entries *var_hash = (*var_hashx)->first;
+#if VAR_ENTRIES_DBG
+       fprintf(stderr, "var_replace(%ld): %d\n", var_hash?var_hash->used_slots:-1L, Z_TYPE_P(nzval));
+#endif
+
+       while (var_hash) {
+               for (i = 0; i < var_hash->used_slots; i++) {
+                       if (var_hash->data[i] == ozval) {
+                               var_hash->data[i] = nzval;
+                               /* do not break here */
+                       }
+               }
+               var_hash = var_hash->next;
+       }
+}
+
+static zval *var_access(php_unserialize_data_t *var_hashx, zend_long id)
+{
+       var_entries *var_hash = (*var_hashx)->first;
+#if VAR_ENTRIES_DBG
+       fprintf(stderr, "var_access(%ld): %ld\n", var_hash?var_hash->used_slots:-1L, id);
+#endif
+
+       while (id >= VAR_ENTRIES_MAX && var_hash && var_hash->used_slots == VAR_ENTRIES_MAX) {
+               var_hash = var_hash->next;
+               id -= VAR_ENTRIES_MAX;
+       }
+
+       if (!var_hash) return NULL;
+
+       if (id < 0 || id >= var_hash->used_slots) return NULL;
+
+       return var_hash->data[id];
+}
+
+PHPAPI void var_destroy(php_unserialize_data_t *var_hashx)
+{
+       void *next;
+       zend_long i;
+       var_entries *var_hash = (*var_hashx)->first;
+       var_dtor_entries *var_dtor_hash = (*var_hashx)->first_dtor;
+#if VAR_ENTRIES_DBG
+       fprintf(stderr, "var_destroy(%ld)\n", var_hash?var_hash->used_slots:-1L);
+#endif
+
+       while (var_hash) {
+               next = var_hash->next;
+               efree_size(var_hash, sizeof(var_entries));
+               var_hash = next;
+       }
+
+       while (var_dtor_hash) {
+               for (i = 0; i < var_dtor_hash->used_slots; i++) {
+#if VAR_ENTRIES_DBG
+                       fprintf(stderr, "var_destroy dtor(%p, %ld)\n", var_dtor_hash->data[i], Z_REFCOUNT_P(var_dtor_hash->data[i]));
+#endif
+                       zval_ptr_dtor(&var_dtor_hash->data[i]);
+               }
+               next = var_dtor_hash->next;
+               efree_size(var_dtor_hash, sizeof(var_dtor_entries));
+               var_dtor_hash = next;
+       }
+}
+
+/* }}} */
+
+static zend_string *unserialize_str(const unsigned char **p, size_t len, size_t maxlen)
+{
+       size_t i, j;
+       zend_string *str = zend_string_safe_alloc(1, len, 0, 0);
+       unsigned char *end = *(unsigned char **)p+maxlen;
+
+       if (end < *p) {
+               zend_string_free(str);
+               return NULL;
+       }
+
+       for (i = 0; i < len; i++) {
+               if (*p >= end) {
+                       zend_string_free(str);
+                       return NULL;
+               }
+               if (**p != '\\') {
+                       ZSTR_VAL(str)[i] = (char)**p;
+               } else {
+                       unsigned char ch = 0;
+
+                       for (j = 0; j < 2; j++) {
+                               (*p)++;
+                               if (**p >= '0' && **p <= '9') {
+                                       ch = (ch << 4) + (**p -'0');
+                               } else if (**p >= 'a' && **p <= 'f') {
+                                       ch = (ch << 4) + (**p -'a'+10);
+                               } else if (**p >= 'A' && **p <= 'F') {
+                                       ch = (ch << 4) + (**p -'A'+10);
+                               } else {
+                                       zend_string_free(str);
+                                       return NULL;
+                               }
+                       }
+                       ZSTR_VAL(str)[i] = (char)ch;
+               }
+               (*p)++;
+       }
+       ZSTR_VAL(str)[i] = 0;
+       ZSTR_LEN(str) = i;
+       return str;
+}
+
+static inline int unserialize_allowed_class(
+               zend_string *class_name, php_unserialize_data_t *var_hashx)
+{
+       HashTable *classes = (*var_hashx)->allowed_classes;
+       zend_string *lcname;
+       int res;
+       ALLOCA_FLAG(use_heap)
+
+       if(classes == NULL) {
+               return 1;
+       }
+       if(!zend_hash_num_elements(classes)) {
+               return 0;
+       }
+
+       ZSTR_ALLOCA_ALLOC(lcname, ZSTR_LEN(class_name), use_heap);
+       zend_str_tolower_copy(ZSTR_VAL(lcname), ZSTR_VAL(class_name), ZSTR_LEN(class_name));
+       res = zend_hash_exists(classes, lcname);
+       ZSTR_ALLOCA_FREE(lcname, use_heap);
+       return res;
+}
+
+#define YYFILL(n) do { } while (0)
+#define YYCTYPE unsigned char
+#define YYCURSOR cursor
+#define YYLIMIT limit
+#define YYMARKER marker
+
+
+#line 292 "ext/standard/var_unserializer.re"
+
+
+
+
+static inline zend_long parse_iv2(const unsigned char *p, const unsigned char **q)
+{
+       char cursor;
+       zend_long result = 0;
+       int neg = 0;
+
+       switch (*p) {
+               case '-':
+                       neg++;
+                       /* fall-through */
+               case '+':
+                       p++;
+       }
+
+       while (1) {
+               cursor = (char)*p;
+               if (cursor >= '0' && cursor <= '9') {
+                       result = result * 10 + (size_t)(cursor - (unsigned char)'0');
+               } else {
+                       break;
+               }
+               p++;
+       }
+       if (q) *q = p;
+       if (neg) return -result;
+       return result;
+}
+
+static inline zend_long parse_iv(const unsigned char *p)
+{
+       return parse_iv2(p, NULL);
+}
+
+/* no need to check for length - re2c already did */
+static inline size_t parse_uiv(const unsigned char *p)
+{
+       unsigned char cursor;
+       size_t result = 0;
+
+       if (*p == '+') {
+               p++;
+       }
+
+       while (1) {
+               cursor = *p;
+               if (cursor >= '0' && cursor <= '9') {
+                       result = result * 10 + (size_t)(cursor - (unsigned char)'0');
+               } else {
+                       break;
+               }
+               p++;
+       }
+       return result;
+}
+
+#define UNSERIALIZE_PARAMETER zval *rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash
+#define UNSERIALIZE_PASSTHRU rval, p, max, var_hash
+
+static int php_var_unserialize_internal(UNSERIALIZE_PARAMETER);
+
+static zend_always_inline int process_nested_data(UNSERIALIZE_PARAMETER, HashTable *ht, zend_long elements, int objprops)
+{
+       while (elements-- > 0) {
+               zval key, *data, d, *old_data;
+               zend_ulong idx;
+
+               ZVAL_UNDEF(&key);
+
+               if (!php_var_unserialize_internal(&key, p, max, NULL)) {
+                       zval_dtor(&key);
+                       return 0;
+               }
+
+               data = NULL;
+               ZVAL_UNDEF(&d);
+
+               if (!objprops) {
+                       if (Z_TYPE(key) == IS_LONG) {
+                               idx = Z_LVAL(key);
+numeric_key:
+                               if (UNEXPECTED((old_data = zend_hash_index_find(ht, idx)) != NULL)) {
+                                       //??? update hash
+                                       var_push_dtor(var_hash, old_data);
+                                       data = zend_hash_index_update(ht, idx, &d);
+                               } else {
+                                       data = zend_hash_index_add_new(ht, idx, &d);
+                               }
+                       } else if (Z_TYPE(key) == IS_STRING) {
+                               if (UNEXPECTED(ZEND_HANDLE_NUMERIC(Z_STR(key), idx))) {
+                                       goto numeric_key;
+                               }
+                               if (UNEXPECTED((old_data = zend_hash_find(ht, Z_STR(key))) != NULL)) {
+                                       //??? update hash
+                                       var_push_dtor(var_hash, old_data);
+                                       data = zend_hash_update(ht, Z_STR(key), &d);
+                               } else {
+                                       data = zend_hash_add_new(ht, Z_STR(key), &d);
+                               }
+                       } else {
+                               zval_dtor(&key);
+                               return 0;
+                       }
+               } else {
+                       if (EXPECTED(Z_TYPE(key) == IS_STRING)) {
+string_key:
+                               if ((old_data = zend_hash_find(ht, Z_STR(key))) != NULL) {
+                                       if (Z_TYPE_P(old_data) == IS_INDIRECT) {
+                                               old_data = Z_INDIRECT_P(old_data);
+                                       }
+                                       var_push_dtor(var_hash, old_data);
+                                       data = zend_hash_update_ind(ht, Z_STR(key), &d);
+                               } else {
+                                       data = zend_hash_add_new(ht, Z_STR(key), &d);
+                               }
+                       } else if (Z_TYPE(key) == IS_LONG) {
+                               /* object properties should include no integers */
+                               convert_to_string(&key);
+                               goto string_key;
+                       } else {
+                               zval_dtor(&key);
+                               return 0;
+                       }
+               }
+
+               if (!php_var_unserialize_internal(data, p, max, var_hash)) {
+                       zval_dtor(&key);
+                       return 0;
+               }
+
+               if (UNEXPECTED(Z_ISUNDEF_P(data))) {
+                       if (Z_TYPE(key) == IS_LONG) {
+                               zend_hash_index_del(ht, Z_LVAL(key));
+                       } else {
+                               zend_hash_del_ind(ht, Z_STR(key));
+                       }
+               } else {
+                       var_push_dtor(var_hash, data);
+               }
+
+               zval_dtor(&key);
+
+               if (elements && *(*p-1) != ';' && *(*p-1) != '}') {
+                       (*p)--;
+                       return 0;
+               }
+       }
+
+       return 1;
+}
+
+static inline int finish_nested_data(UNSERIALIZE_PARAMETER)
+{
+       if (*((*p)++) == '}')
+               return 1;
+
+#if SOMETHING_NEW_MIGHT_LEAD_TO_CRASH_ENABLE_IF_YOU_ARE_BRAVE
+       zval_ptr_dtor(rval);
+#endif
+       return 0;
+}
+
+static inline int object_custom(UNSERIALIZE_PARAMETER, zend_class_entry *ce)
+{
+       zend_long datalen;
+
+       datalen = parse_iv2((*p) + 2, p);
+
+       (*p) += 2;
+
+       if (datalen < 0 || (max - (*p)) <= datalen) {
+               zend_error(E_WARNING, "Insufficient data for unserializing - " ZEND_LONG_FMT " required, " ZEND_LONG_FMT " present", datalen, (zend_long)(max - (*p)));
+               return 0;
+       }
+
+       if (ce->unserialize == NULL) {
+               zend_error(E_WARNING, "Class %s has no unserializer", ZSTR_VAL(ce->name));
+               object_init_ex(rval, ce);
+       } else if (ce->unserialize(rval, ce, (const unsigned char*)*p, datalen, (zend_unserialize_data *)var_hash) != SUCCESS) {
+               return 0;
+       }
+
+       (*p) += datalen;
+
+       return finish_nested_data(UNSERIALIZE_PASSTHRU);
+}
+
+static inline zend_long object_common1(UNSERIALIZE_PARAMETER, zend_class_entry *ce)
+{
+       zend_long elements;
+
+       if( *p >= max - 2) {
+               zend_error(E_WARNING, "Bad unserialize data");
+               return -1;
+       }
+
+       elements = parse_iv2((*p) + 2, p);
+
+       (*p) += 2;
+
+       if (ce->serialize == NULL) {
+               object_init_ex(rval, ce);
+       } else {
+               /* If this class implements Serializable, it should not land here but in object_custom(). The passed string
+               obviously doesn't descend from the regular serializer. */
+               zend_error(E_WARNING, "Erroneous data format for unserializing '%s'", ZSTR_VAL(ce->name));
+               return -1;
+       }
+
+       return elements;
+}
+
+#ifdef PHP_WIN32
+# pragma optimize("", off)
+#endif
+static inline int object_common2(UNSERIALIZE_PARAMETER, zend_long elements)
+{
+       zval retval;
+       zval fname;
+       HashTable *ht;
+       zend_bool has_wakeup;
+
+       if (Z_TYPE_P(rval) != IS_OBJECT) {
+               return 0;
+       }
+
+       has_wakeup = Z_OBJCE_P(rval) != PHP_IC_ENTRY
+               && zend_hash_str_exists(&Z_OBJCE_P(rval)->function_table, "__wakeup", sizeof("__wakeup")-1);
+
+       ht = Z_OBJPROP_P(rval);
+       zend_hash_extend(ht, zend_hash_num_elements(ht) + elements, (ht->u.flags & HASH_FLAG_PACKED));
+       if (!process_nested_data(UNSERIALIZE_PASSTHRU, ht, elements, 1)) {
+               if (has_wakeup) {
+                       ZVAL_DEREF(rval);
+                       GC_FLAGS(Z_OBJ_P(rval)) |= IS_OBJ_DESTRUCTOR_CALLED;
+               }
+               return 0;
+       }
+
+       ZVAL_DEREF(rval);
+       if (has_wakeup) {
+               ZVAL_STRINGL(&fname, "__wakeup", sizeof("__wakeup") - 1);
+               BG(serialize_lock)++;
+               if (call_user_function_ex(CG(function_table), rval, &fname, &retval, 0, 0, 1, NULL) == FAILURE || Z_ISUNDEF(retval)) {
+                       GC_FLAGS(Z_OBJ_P(rval)) |= IS_OBJ_DESTRUCTOR_CALLED;
+               }
+               BG(serialize_lock)--;
+               zval_dtor(&fname);
+               zval_dtor(&retval);
+       }
+
+       if (EG(exception)) {
+               return 0;
+       }
+
+       return finish_nested_data(UNSERIALIZE_PASSTHRU);
+}
+#ifdef PHP_WIN32
+# pragma optimize("", on)
+#endif
+
+PHPAPI int php_var_unserialize(UNSERIALIZE_PARAMETER)
+{
+       var_entries *orig_var_entries = (*var_hash)->last;
+       zend_long orig_used_slots = orig_var_entries ? orig_var_entries->used_slots : 0;
+       int result;
+
+       result = php_var_unserialize_internal(UNSERIALIZE_PASSTHRU);
+
+       if (!result) {
+               /* If the unserialization failed, mark all elements that have been added to var_hash
+                * as NULL. This will forbid their use by other unserialize() calls in the same
+                * unserialization context. */
+               var_entries *e = orig_var_entries;
+               zend_long s = orig_used_slots;
+               while (e) {
+                       for (; s < e->used_slots; s++) {
+                               e->data[s] = NULL;
+                       }
+
+                       e = e->next;
+                       s = 0;
+               }
+       }
+
+       return result;
+}
+
+static int php_var_unserialize_internal(UNSERIALIZE_PARAMETER)
+{
+       const unsigned char *cursor, *limit, *marker, *start;
+       zval *rval_ref;
+
+       limit = max;
+       cursor = *p;
+
+       if (YYCURSOR >= YYLIMIT) {
+               return 0;
+       }
+
+       if (var_hash && (*p)[0] != 'R') {
+               var_push(var_hash, rval);
+       }
+
+       start = cursor;
+
+
+#line 599 "ext/standard/var_unserializer.c"
+{
+       YYCTYPE yych;
+       static const unsigned char yybm[] = {
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+               128, 128, 128, 128, 128, 128, 128, 128, 
+               128, 128,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+                 0,   0,   0,   0,   0,   0,   0,   0, 
+       };
+
+       if ((YYLIMIT - YYCURSOR) < 7) YYFILL(7);
+       yych = *YYCURSOR;
+       switch (yych) {
+       case 'C':
+       case 'O':       goto yy13;
+       case 'N':       goto yy5;
+       case 'R':       goto yy2;
+       case 'S':       goto yy10;
+       case 'a':       goto yy11;
+       case 'b':       goto yy6;
+       case 'd':       goto yy8;
+       case 'i':       goto yy7;
+       case 'o':       goto yy12;
+       case 'r':       goto yy4;
+       case 's':       goto yy9;
+       case '}':       goto yy14;
+       default:        goto yy16;
+       }
+yy2:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy95;
+yy3:
+#line 976 "ext/standard/var_unserializer.re"
+       { return 0; }
+#line 661 "ext/standard/var_unserializer.c"
+yy4:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy89;
+       goto yy3;
+yy5:
+       yych = *++YYCURSOR;
+       if (yych == ';') goto yy87;
+       goto yy3;
+yy6:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy83;
+       goto yy3;
+yy7:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy77;
+       goto yy3;
+yy8:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy53;
+       goto yy3;
+yy9:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy46;
+       goto yy3;
+yy10:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy39;
+       goto yy3;
+yy11:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy32;
+       goto yy3;
+yy12:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy25;
+       goto yy3;
+yy13:
+       yych = *(YYMARKER = ++YYCURSOR);
+       if (yych == ':') goto yy17;
+       goto yy3;
+yy14:
+       ++YYCURSOR;
+#line 970 "ext/standard/var_unserializer.re"
+       {
+       /* this is the case where we have less data than planned */
+       php_error_docref(NULL, E_NOTICE, "Unexpected end of serialized data");
+       return 0; /* not sure if it should be 0 or 1 here? */
+}
+#line 710 "ext/standard/var_unserializer.c"
+yy16:
+       yych = *++YYCURSOR;
+       goto yy3;
+yy17:
+       yych = *++YYCURSOR;
+       if (yybm[0+yych] & 128) {
+               goto yy20;
+       }
+       if (yych == '+') goto yy19;
+yy18:
+       YYCURSOR = YYMARKER;
+       goto yy3;
+yy19:
+       yych = *++YYCURSOR;
+       if (yybm[0+yych] & 128) {
+               goto yy20;
+       }
+       goto yy18;
+yy20:
+       ++YYCURSOR;
+       if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+       yych = *YYCURSOR;
+       if (yybm[0+yych] & 128) {
+               goto yy20;
+       }
+       if (yych <= '/') goto yy18;
+       if (yych >= ';') goto yy18;
+       yych = *++YYCURSOR;
+       if (yych != '"') goto yy18;
+       ++YYCURSOR;
+#line 818 "ext/standard/var_unserializer.re"
+       {
+       size_t len, len2, len3, maxlen;
+       zend_long elements;
+       char *str;
+       zend_string *class_name;
+       zend_class_entry *ce;
+       int incomplete_class = 0;
+
+       int custom_object = 0;
+
+       zval user_func;
+       zval retval;
+       zval args[1];
+
+    if (!var_hash) return 0;
+       if (*start == 'C') {
+               custom_object = 1;
+       }
+
+       len2 = len = parse_uiv(start + 2);
+       maxlen = max - YYCURSOR;
+       if (maxlen < len || len == 0) {
+               *p = start + 2;
+               return 0;
+       }
+
+       str = (char*)YYCURSOR;
+
+       YYCURSOR += len;
+
+       if (*(YYCURSOR) != '"') {
+               *p = YYCURSOR;
+               return 0;
+       }
+       if (*(YYCURSOR+1) != ':') {
+               *p = YYCURSOR+1;
+               return 0;
+       }
+
+       len3 = strspn(str, "0123456789_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377\\");
+       if (len3 != len)
+       {
+               *p = YYCURSOR + len3 - len;
+               return 0;
+       }
+
+       class_name = zend_string_init(str, len, 0);
+
+       do {
+               if(!unserialize_allowed_class(class_name, var_hash)) {
+                       incomplete_class = 1;
+                       ce = PHP_IC_ENTRY;
+                       break;
+               }
+
+               /* Try to find class directly */
+               BG(serialize_lock)++;
+               ce = zend_lookup_class(class_name);
+               if (ce) {
+                       BG(serialize_lock)--;
+                       if (EG(exception)) {
+                               zend_string_release(class_name);
+                               return 0;
+                       }
+                       break;
+               }
+               BG(serialize_lock)--;
+
+               if (EG(exception)) {
+                       zend_string_release(class_name);
+                       return 0;
+               }
+
+               /* Check for unserialize callback */
+               if ((PG(unserialize_callback_func) == NULL) || (PG(unserialize_callback_func)[0] == '\0')) {
+                       incomplete_class = 1;
+                       ce = PHP_IC_ENTRY;
+                       break;
+               }
+
+               /* Call unserialize callback */
+               ZVAL_STRING(&user_func, PG(unserialize_callback_func));
+
+               ZVAL_STR_COPY(&args[0], class_name);
+               BG(serialize_lock)++;
+               if (call_user_function_ex(CG(function_table), NULL, &user_func, &retval, 1, args, 0, NULL) != SUCCESS) {
+                       BG(serialize_lock)--;
+                       if (EG(exception)) {
+                               zend_string_release(class_name);
+                               zval_ptr_dtor(&user_func);
+                               zval_ptr_dtor(&args[0]);
+                               return 0;
+                       }
+                       php_error_docref(NULL, E_WARNING, "defined (%s) but not found", Z_STRVAL(user_func));
+                       incomplete_class = 1;
+                       ce = PHP_IC_ENTRY;
+                       zval_ptr_dtor(&user_func);
+                       zval_ptr_dtor(&args[0]);
+                       break;
+               }
+               BG(serialize_lock)--;
+               zval_ptr_dtor(&retval);
+               if (EG(exception)) {
+                       zend_string_release(class_name);
+                       zval_ptr_dtor(&user_func);
+                       zval_ptr_dtor(&args[0]);
+                       return 0;
+               }
+
+               /* The callback function may have defined the class */
+               BG(serialize_lock)++;
+               if ((ce = zend_lookup_class(class_name)) == NULL) {
+                       php_error_docref(NULL, E_WARNING, "Function %s() hasn't defined the class it was called for", Z_STRVAL(user_func));
+                       incomplete_class = 1;
+                       ce = PHP_IC_ENTRY;
+               }
+               BG(serialize_lock)--;
+
+               zval_ptr_dtor(&user_func);
+               zval_ptr_dtor(&args[0]);
+               break;
+       } while (1);
+
+       *p = YYCURSOR;
+
+       if (custom_object) {
+               int ret;
+
+               ret = object_custom(UNSERIALIZE_PASSTHRU, ce);
+
+               if (ret && incomplete_class) {
+                       php_store_class_name(rval, ZSTR_VAL(class_name), len2);
+               }
+               zend_string_release(class_name);
+               return ret;
+       }
+
+       elements = object_common1(UNSERIALIZE_PASSTHRU, ce);
+
+       if (elements < 0) {
+          zend_string_release(class_name);
+          return 0;
+       }
+
+       if (incomplete_class) {
+               php_store_class_name(rval, ZSTR_VAL(class_name), len2);
+       }
+       zend_string_release(class_name);
+
+       return object_common2(UNSERIALIZE_PASSTHRU, elements);
+}
+#line 893 "ext/standard/var_unserializer.c"
+yy25:
+       yych = *++YYCURSOR;
+       if (yych <= ',') {
+               if (yych != '+') goto yy18;
+       } else {
+               if (yych <= '-') goto yy26;
+               if (yych <= '/') goto yy18;
+               if (yych <= '9') goto yy27;
+               goto yy18;
+       }
+yy26:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy27:
+       ++YYCURSOR;
+       if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+       yych = *YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy27;
+       if (yych >= ';') goto yy18;
+       yych = *++YYCURSOR;
+       if (yych != '"') goto yy18;
+       ++YYCURSOR;
+#line 807 "ext/standard/var_unserializer.re"
+       {
+       long elements;
+    if (!var_hash) return 0;
+
+       elements = object_common1(UNSERIALIZE_PASSTHRU, ZEND_STANDARD_CLASS_DEF_PTR);
+       if (elements < 0) {
+               return 0;
+       }
+       return object_common2(UNSERIALIZE_PASSTHRU, elements);
+}
+#line 929 "ext/standard/var_unserializer.c"
+yy32:
+       yych = *++YYCURSOR;
+       if (yych == '+') goto yy33;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy34;
+       goto yy18;
+yy33:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy34:
+       ++YYCURSOR;
+       if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+       yych = *YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy34;
+       if (yych >= ';') goto yy18;
+       yych = *++YYCURSOR;
+       if (yych != '{') goto yy18;
+       ++YYCURSOR;
+#line 783 "ext/standard/var_unserializer.re"
+       {
+       zend_long elements = parse_iv(start + 2);
+       /* use iv() not uiv() in order to check data range */
+       *p = YYCURSOR;
+    if (!var_hash) return 0;
+
+       if (elements < 0) {
+               return 0;
+       }
+
+       array_init_size(rval, elements);
+       if (elements) {
+               /* we can't convert from packed to hash during unserialization, because
+                  reference to some zvals might be keept in var_hash (to support references) */
+               zend_hash_real_init(Z_ARRVAL_P(rval), 0);
+       }
+
+       if (!process_nested_data(UNSERIALIZE_PASSTHRU, Z_ARRVAL_P(rval), elements, 0)) {
+               return 0;
+       }
+
+       return finish_nested_data(UNSERIALIZE_PASSTHRU);
+}
+#line 974 "ext/standard/var_unserializer.c"
+yy39:
+       yych = *++YYCURSOR;
+       if (yych == '+') goto yy40;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy41;
+       goto yy18;
+yy40:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy41:
+       ++YYCURSOR;
+       if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+       yych = *YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy41;
+       if (yych >= ';') goto yy18;
+       yych = *++YYCURSOR;
+       if (yych != '"') goto yy18;
+       ++YYCURSOR;
+#line 749 "ext/standard/var_unserializer.re"
+       {
+       size_t len, maxlen;
+       zend_string *str;
+
+       len = parse_uiv(start + 2);
+       maxlen = max - YYCURSOR;
+       if (maxlen < len) {
+               *p = start + 2;
+               return 0;
+       }
+
+       if ((str = unserialize_str(&YYCURSOR, len, maxlen)) == NULL) {
+               return 0;
+       }
+
+       if (*(YYCURSOR) != '"') {
+               zend_string_free(str);
+               *p = YYCURSOR;
+               return 0;
+       }
+
+       if (*(YYCURSOR + 1) != ';') {
+               efree(str);
+               *p = YYCURSOR + 1;
+               return 0;
+       }
+
+       YYCURSOR += 2;
+       *p = YYCURSOR;
+
+       ZVAL_STR(rval, str);
+       return 1;
+}
+#line 1029 "ext/standard/var_unserializer.c"
+yy46:
+       yych = *++YYCURSOR;
+       if (yych == '+') goto yy47;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy48;
+       goto yy18;
+yy47:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy48:
+       ++YYCURSOR;
+       if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+       yych = *YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy48;
+       if (yych >= ';') goto yy18;
+       yych = *++YYCURSOR;
+       if (yych != '"') goto yy18;
+       ++YYCURSOR;
+#line 717 "ext/standard/var_unserializer.re"
+       {
+       size_t len, maxlen;
+       char *str;
+
+       len = parse_uiv(start + 2);
+       maxlen = max - YYCURSOR;
+       if (maxlen < len) {
+               *p = start + 2;
+               return 0;
+       }
+
+       str = (char*)YYCURSOR;
+
+       YYCURSOR += len;
+
+       if (*(YYCURSOR) != '"') {
+               *p = YYCURSOR;
+               return 0;
+       }
+
+       if (*(YYCURSOR + 1) != ';') {
+               *p = YYCURSOR + 1;
+               return 0;
+       }
+
+       YYCURSOR += 2;
+       *p = YYCURSOR;
+
+       ZVAL_STRINGL(rval, str, len);
+       return 1;
+}
+#line 1082 "ext/standard/var_unserializer.c"
+yy53:
+       yych = *++YYCURSOR;
+       if (yych <= '/') {
+               if (yych <= ',') {
+                       if (yych == '+') goto yy57;
+                       goto yy18;
+               } else {
+                       if (yych <= '-') goto yy55;
+                       if (yych <= '.') goto yy60;
+                       goto yy18;
+               }
+       } else {
+               if (yych <= 'I') {
+                       if (yych <= '9') goto yy58;
+                       if (yych <= 'H') goto yy18;
+                       goto yy56;
+               } else {
+                       if (yych != 'N') goto yy18;
+               }
+       }
+       yych = *++YYCURSOR;
+       if (yych == 'A') goto yy76;
+       goto yy18;
+yy55:
+       yych = *++YYCURSOR;
+       if (yych <= '/') {
+               if (yych == '.') goto yy60;
+               goto yy18;
+       } else {
+               if (yych <= '9') goto yy58;
+               if (yych != 'I') goto yy18;
+       }
+yy56:
+       yych = *++YYCURSOR;
+       if (yych == 'N') goto yy72;
+       goto yy18;
+yy57:
+       yych = *++YYCURSOR;
+       if (yych == '.') goto yy60;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy58:
+       ++YYCURSOR;
+       if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
+       yych = *YYCURSOR;
+       if (yych <= ':') {
+               if (yych <= '.') {
+                       if (yych <= '-') goto yy18;
+                       goto yy70;
+               } else {
+                       if (yych <= '/') goto yy18;
+                       if (yych <= '9') goto yy58;
+                       goto yy18;
+               }
+       } else {
+               if (yych <= 'E') {
+                       if (yych <= ';') goto yy63;
+                       if (yych <= 'D') goto yy18;
+                       goto yy65;
+               } else {
+                       if (yych == 'e') goto yy65;
+                       goto yy18;
+               }
+       }
+yy60:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy61:
+       ++YYCURSOR;
+       if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
+       yych = *YYCURSOR;
+       if (yych <= ';') {
+               if (yych <= '/') goto yy18;
+               if (yych <= '9') goto yy61;
+               if (yych <= ':') goto yy18;
+       } else {
+               if (yych <= 'E') {
+                       if (yych <= 'D') goto yy18;
+                       goto yy65;
+               } else {
+                       if (yych == 'e') goto yy65;
+                       goto yy18;
+               }
+       }
+yy63:
+       ++YYCURSOR;
+#line 708 "ext/standard/var_unserializer.re"
+       {
+#if SIZEOF_ZEND_LONG == 4
+use_double:
+#endif
+       *p = YYCURSOR;
+       ZVAL_DOUBLE(rval, zend_strtod((const char *)start + 2, NULL));
+       return 1;
+}
+#line 1179 "ext/standard/var_unserializer.c"
+yy65:
+       yych = *++YYCURSOR;
+       if (yych <= ',') {
+               if (yych != '+') goto yy18;
+       } else {
+               if (yych <= '-') goto yy66;
+               if (yych <= '/') goto yy18;
+               if (yych <= '9') goto yy67;
+               goto yy18;
+       }
+yy66:
+       yych = *++YYCURSOR;
+       if (yych <= ',') {
+               if (yych == '+') goto yy69;
+               goto yy18;
+       } else {
+               if (yych <= '-') goto yy69;
+               if (yych <= '/') goto yy18;
+               if (yych >= ':') goto yy18;
+       }
+yy67:
+       ++YYCURSOR;
+       if (YYLIMIT <= YYCURSOR) YYFILL(1);
+       yych = *YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy67;
+       if (yych == ';') goto yy63;
+       goto yy18;
+yy69:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy67;
+       goto yy18;
+yy70:
+       ++YYCURSOR;
+       if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
+       yych = *YYCURSOR;
+       if (yych <= ';') {
+               if (yych <= '/') goto yy18;
+               if (yych <= '9') goto yy70;
+               if (yych <= ':') goto yy18;
+               goto yy63;
+       } else {
+               if (yych <= 'E') {
+                       if (yych <= 'D') goto yy18;
+                       goto yy65;
+               } else {
+                       if (yych == 'e') goto yy65;
+                       goto yy18;
+               }
+       }
+yy72:
+       yych = *++YYCURSOR;
+       if (yych != 'F') goto yy18;
+yy73:
+       yych = *++YYCURSOR;
+       if (yych != ';') goto yy18;
+       ++YYCURSOR;
+#line 692 "ext/standard/var_unserializer.re"
+       {
+       *p = YYCURSOR;
+
+       if (!strncmp((char*)start + 2, "NAN", 3)) {
+               ZVAL_DOUBLE(rval, ZEND_NAN);
+       } else if (!strncmp((char*)start + 2, "INF", 3)) {
+               ZVAL_DOUBLE(rval, ZEND_INFINITY);
+       } else if (!strncmp((char*)start + 2, "-INF", 4)) {
+               ZVAL_DOUBLE(rval, -ZEND_INFINITY);
+       } else {
+               ZVAL_NULL(rval);
+       }
+
+       return 1;
+}
+#line 1254 "ext/standard/var_unserializer.c"
+yy76:
+       yych = *++YYCURSOR;
+       if (yych == 'N') goto yy73;
+       goto yy18;
+yy77:
+       yych = *++YYCURSOR;
+       if (yych <= ',') {
+               if (yych != '+') goto yy18;
+       } else {
+               if (yych <= '-') goto yy78;
+               if (yych <= '/') goto yy18;
+               if (yych <= '9') goto yy79;
+               goto yy18;
+       }
+yy78:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy79:
+       ++YYCURSOR;
+       if (YYLIMIT <= YYCURSOR) YYFILL(1);
+       yych = *YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy79;
+       if (yych != ';') goto yy18;
+       ++YYCURSOR;
+#line 666 "ext/standard/var_unserializer.re"
+       {
+#if SIZEOF_ZEND_LONG == 4
+       int digits = YYCURSOR - start - 3;
+
+       if (start[2] == '-' || start[2] == '+') {
+               digits--;
+       }
+
+       /* Use double for large zend_long values that were serialized on a 64-bit system */
+       if (digits >= MAX_LENGTH_OF_LONG - 1) {
+               if (digits == MAX_LENGTH_OF_LONG - 1) {
+                       int cmp = strncmp((char*)YYCURSOR - MAX_LENGTH_OF_LONG, long_min_digits, MAX_LENGTH_OF_LONG - 1);
+
+                       if (!(cmp < 0 || (cmp == 0 && start[2] == '-'))) {
+                               goto use_double;
+                       }
+               } else {
+                       goto use_double;
+               }
+       }
+#endif
+       *p = YYCURSOR;
+       ZVAL_LONG(rval, parse_iv(start + 2));
+       return 1;
+}
+#line 1307 "ext/standard/var_unserializer.c"
+yy83:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= '2') goto yy18;
+       yych = *++YYCURSOR;
+       if (yych != ';') goto yy18;
+       ++YYCURSOR;
+#line 660 "ext/standard/var_unserializer.re"
+       {
+       *p = YYCURSOR;
+       ZVAL_BOOL(rval, parse_iv(start + 2));
+       return 1;
+}
+#line 1321 "ext/standard/var_unserializer.c"
+yy87:
+       ++YYCURSOR;
+#line 654 "ext/standard/var_unserializer.re"
+       {
+       *p = YYCURSOR;
+       ZVAL_NULL(rval);
+       return 1;
+}
+#line 1330 "ext/standard/var_unserializer.c"
+yy89:
+       yych = *++YYCURSOR;
+       if (yych <= ',') {
+               if (yych != '+') goto yy18;
+       } else {
+               if (yych <= '-') goto yy90;
+               if (yych <= '/') goto yy18;
+               if (yych <= '9') goto yy91;
+               goto yy18;
+       }
+yy90:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy91:
+       ++YYCURSOR;
+       if (YYLIMIT <= YYCURSOR) YYFILL(1);
+       yych = *YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy91;
+       if (yych != ';') goto yy18;
+       ++YYCURSOR;
+#line 629 "ext/standard/var_unserializer.re"
+       {
+       zend_long id;
+
+       *p = YYCURSOR;
+       if (!var_hash) return 0;
+
+       id = parse_iv(start + 2) - 1;
+       if (id == -1 || (rval_ref = var_access(var_hash, id)) == NULL) {
+               return 0;
+       }
+
+       if (rval_ref == rval) {
+               return 0;
+       }
+
+       if (Z_ISUNDEF_P(rval_ref) || (Z_ISREF_P(rval_ref) && Z_ISUNDEF_P(Z_REFVAL_P(rval_ref)))) {
+               ZVAL_UNDEF(rval);
+               return 1;
+       }
+
+       ZVAL_COPY(rval, rval_ref);
+
+       return 1;
+}
+#line 1378 "ext/standard/var_unserializer.c"
+yy95:
+       yych = *++YYCURSOR;
+       if (yych <= ',') {
+               if (yych != '+') goto yy18;
+       } else {
+               if (yych <= '-') goto yy96;
+               if (yych <= '/') goto yy18;
+               if (yych <= '9') goto yy97;
+               goto yy18;
+       }
+yy96:
+       yych = *++YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych >= ':') goto yy18;
+yy97:
+       ++YYCURSOR;
+       if (YYLIMIT <= YYCURSOR) YYFILL(1);
+       yych = *YYCURSOR;
+       if (yych <= '/') goto yy18;
+       if (yych <= '9') goto yy97;
+       if (yych != ';') goto yy18;
+       ++YYCURSOR;
+#line 603 "ext/standard/var_unserializer.re"
+       {
+       zend_long id;
+
+       *p = YYCURSOR;
+       if (!var_hash) return 0;
+
+       id = parse_iv(start + 2) - 1;
+       if (id == -1 || (rval_ref = var_access(var_hash, id)) == NULL) {
+               return 0;
+       }
+
+       zval_ptr_dtor(rval);
+       if (Z_ISUNDEF_P(rval_ref) || (Z_ISREF_P(rval_ref) && Z_ISUNDEF_P(Z_REFVAL_P(rval_ref)))) {
+               ZVAL_UNDEF(rval);
+               return 1;
+       }
+       if (Z_ISREF_P(rval_ref)) {
+               ZVAL_COPY(rval, rval_ref);
+       } else {
+               ZVAL_NEW_REF(rval_ref, rval_ref);
+               ZVAL_COPY(rval, rval_ref);
+       }
+
+       return 1;
+}
+#line 1427 "ext/standard/var_unserializer.c"
+}
+#line 978 "ext/standard/var_unserializer.re"
+
+
+       return 0;
+}