XCache is a fast, stable PHP opcode cacher that has been proven and is now running on production servers under high load. https://xcache.lighttpd.net/
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#ifdef ZEND_ENGINE_2
static void xc_var_collect_object(xc_processor_t *processor, zend_object_handle handle TSRMLS_DC);
static void xc_var_collect_object_in_zval(xc_processor_t *processor, zval *zv TSRMLS_DC);
static void xc_var_collect_object_in_hashtable(xc_processor_t *processor, HashTable *ht TSRMLS_DC);
static void xc_var_collect_object_in_hashtable(xc_processor_t *processor, HashTable *ht TSRMLS_DC) /* {{{ */
{
Bucket *bucket;
for (bucket = ht->pListHead; bucket; bucket = bucket->pListNext) {
xc_var_collect_object_in_zval(processor, *(zval **) bucket->pData TSRMLS_CC);
}
}
/* }}} */
static void xc_var_collect_object_in_zval(xc_processor_t *processor, zval *zv TSRMLS_DC) /* {{{ */
{
switch (Z_TYPE_P(zv)) {
case IS_OBJECT:
xc_var_collect_object(processor, Z_OBJ_HANDLE_P(zv) TSRMLS_CC);
break;
case IS_ARRAY:
xc_var_collect_object_in_hashtable(processor, Z_ARRVAL_P(zv) TSRMLS_CC);
break;
}
}
/* }}} */
static void xc_var_collect_object(xc_processor_t *processor, zend_object_handle handle TSRMLS_DC) /* {{{ */
{
size_t next_index;
if (!xc_vector_initialized(&processor->objects)) {
if (zend_hash_num_elements(&processor->handle_to_index)) {
/* collecting process is stopped, may reach here by xc_entry_src_t.objects.properties */
return;
}
xc_vector_init(zend_object, &processor->objects);
zend_hash_init(&processor->handle_to_index, 0, NULL, NULL, 0);
}
next_index = xc_vector_size(&processor->objects);
if (_zend_hash_index_update_or_next_insert(&processor->handle_to_index, handle, (void *) &next_index, sizeof(next_index), NULL, HASH_ADD ZEND_FILE_LINE_CC) == SUCCESS) {
zend_object *object = zend_object_store_get_object_by_handle(handle TSRMLS_CC);
xc_vector_push_back(&processor->objects, object);
if (object->properties) {
xc_var_collect_object_in_hashtable(processor, object->properties TSRMLS_CC);
}
/* TODO: is this necessary? */
if (object->properties_table) {
int i, count = zend_hash_num_elements(&object->ce->properties_info);
for (i = 0; i < count; ++i) {
xc_var_collect_object_in_zval(processor, object->properties_table[i] TSRMLS_CC);
}
}
}
}
/* }}} */
static size_t xc_var_store_handle(xc_processor_t *processor, zend_object_handle handle TSRMLS_DC) /* {{{ */
{
size_t *index;
if (zend_hash_index_find(&processor->handle_to_index, handle, (void **) &index) != SUCCESS) {
php_error_docref(NULL TSRMLS_CC, E_CORE_ERROR, "Internal error: handle %d not found on store", handle);
return (size_t) -1;
}
return *index;
}
/* }}} */
static zend_object_handle xc_var_restore_handle(xc_processor_t *processor, size_t index TSRMLS_DC) /* {{{ */
{
zend_object_handle handle = processor->object_handles[index];
zend_objects_store_add_ref_by_handle(handle TSRMLS_CC);
return handle;
}
/* }}} */
#endif
static void xc_var_collect_class(xc_processor_t *processor, zend_class_entry *ce TSRMLS_DC) /* {{{ */
{
size_t next_index;
if (!xc_vector_initialized(&processor->class_names)) {
xc_vector_init(xc_constant_string_t, &processor->class_names);
zend_hash_init(&processor->class_name_to_index, 0, NULL, NULL, 0);
}
/* HashTable <=PHP_4 cannot handle NULL pointers, +1 needed */
next_index = xc_vector_size(&processor->class_names) + 1;
if (zend_hash_add(&processor->class_name_to_index, ce->name, ce->name_length, (void *) &next_index, sizeof(next_index), NULL) == SUCCESS) {
xc_constant_string_t class_name;
class_name.str = (char *) ce->name;
class_name.len = ce->name_length;
xc_vector_push_back(&processor->class_names, &class_name);
}
}
/* }}} */
static size_t xc_var_store_ce(xc_processor_t *processor, zend_class_entry *ce TSRMLS_DC) /* {{{ */
{
size_t *index;
if (zend_hash_find(&processor->class_name_to_index, ce->name, ce->name_length, (void **) &index) != SUCCESS) {
php_error_docref(NULL TSRMLS_CC, E_CORE_ERROR, "Internal error: class name not found in class names");
return (size_t) - 1;
}
return *index - 1;
}
/* }}} */
/* on restore */