MFZE1

1 files changed, 34 insertions, 0 deletions

diff --git a/Zend/zend_variables.c b/Zend/zend_variables.c
index 757019860c..f919fb8c85 100644
--- a/Zend/zend_variables.c
+++ b/Zend/zend_variables.c
@@ -126,6 +126,40 @@ ZEND_API int _zval_copy_ctor(zval *zvalue ZEND_FILE_LINE_DC)
 }
 
 
+ZEND_API int zval_persist(zval *zvalue TSRMLS_DC)
+{
+	switch (zvalue->type) {
+		case IS_RESOURCE:
+			return FAILURE; /* resources cannot be persisted */
+			break;
+		case IS_BOOL:
+		case IS_LONG:
+		case IS_NULL:
+			break;
+		case IS_CONSTANT:
+		case IS_STRING:
+			if (zvalue->value.str.val) {
+				if (zvalue->value.str.len==0) {
+					zvalue->value.str.val = empty_string;
+					return SUCCESS;
+				}
+			}
+			persist_alloc(zvalue->value.str.val);
+			break;
+		case IS_ARRAY:
+		case IS_CONSTANT_ARRAY:
+			persist_alloc(zvalue->value.ht);
+			zend_hash_apply(zvalue->value.ht, (apply_func_t) zval_persist TSRMLS_CC);
+			break;
+		case IS_OBJECT:
+			persist_alloc(zvalue->value.obj.properties);
+			zend_hash_apply(zvalue->value.obj.properties, (apply_func_t) zval_persist TSRMLS_CC);
+			break;
+	}
+	return SUCCESS;
+}
+
+
 ZEND_API int zend_print_variable(zval *var) 
 {
 	return zend_print_zval(var, 0);