Hi everybody. I'm working on an extension that creates classes, and I
want to add class variables to the classes. It looks like,
internally, class variables are stored in the
zend_class_entry.default_properties hash. Manipulating this hash has
the effect desired, however I seem to have misunderstood the memory
management issues somehow; the code below causes leaks and crashes.
Is there an official way to add class variables to a class from C? Is
there anything obviously wrong with the code below?
Thanks!!
-Tim
static zend_class_entry *class_name_class_entry;
static zend_class_entry tmp_class_entry;
int add_default_property_null(zend_class_entry *class_entry,
const char *name)
{
zval *property;
int ret;
MAKE_STD_ZVAL(property);
ZVAL_NULL(property);
return zend_hash_update(&class_entry->default_properties, name,
strlen(name)+1, (void *)&property, sizeof(zval *), NULL);
}
int add_default_property_zval(zend_class_entry *class_entry,
const char *name,
zval **value)
{
zval *aval;
MAKE_STD_ZVAL(aval);
*aval = **value;
zval_add_ref(&aval);
zval_copy_ctor(aval);
return zend_hash_update(&class_entry->default_properties, name,
strlen(name)+1, (void *)&aval, sizeof(zval *), NULL);
}
void define_a_class()
{
/* make a class with two properties, one of which is an array */
zval *wrapper;
zval *array;
INIT_CLASS_ENTRY(tmp_class_entry, "class_name", class_name_functions);
class_name_class_entry = zend_register_internal_class(&tmp_class_entry);
add_default_property_null(class_name_class_entry, "prop_name");
MAKE_STD_ZVAL(array);
array_init(array);
add_next_index_string(array, "foo", 1);
add_default_property_zval(class_name_class_entry, "prop_name1", &array);
}
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