
static int spl_autoload(const char *class_name, const char * lc_name, int class_name_len, const char * file_extension TSRMLS_DC) /* {{{ */
{
	char *class_file;
	int class_file_len;
	int dummy = 1;
	zend_file_handle file_handle;
	zend_op_array *new_op_array;
	zval *result = NULL;
	int ret;

	class_file_len = spprintf(&class_file, 0, "%s%s", lc_name, file_extension);

#if DEFAULT_SLASH != '\\'
	{
		char *ptr = class_file;
		char *end = ptr + class_file_len;
		
		while ((ptr = memchr(ptr, '\\', (end - ptr))) != NULL) {
			*ptr = DEFAULT_SLASH;
		}
	}
#endif

	ret = php_stream_open_for_zend_ex(class_file, &file_handle, USE_PATH|STREAM_OPEN_FOR_INCLUDE TSRMLS_CC);

	if (ret == SUCCESS) {
		if (!file_handle.opened_path) {
			file_handle.opened_path = estrndup(class_file, class_file_len);
		}
		if (zend_hash_add(&EG(included_files), file_handle.opened_path, strlen(file_handle.opened_path)+1, (void *)&dummy, sizeof(int), NULL)==SUCCESS) {
			new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE TSRMLS_CC);
			zend_destroy_file_handle(&file_handle TSRMLS_CC);
		} else {
			new_op_array = NULL;
			zend_file_handle_dtor(&file_handle TSRMLS_CC);
		}
		if (new_op_array) {
			EG(return_value_ptr_ptr) = &result;
			EG(active_op_array) = new_op_array;
			if (!EG(active_symbol_table)) {
				zend_rebuild_symbol_table(TSRMLS_C);
			}

			zend_execute(new_op_array TSRMLS_CC);
	
			destroy_op_array(new_op_array TSRMLS_CC);
			efree(new_op_array);
			if (!EG(exception)) {
				if (EG(return_value_ptr_ptr)) {
					zval_ptr_dtor(EG(return_value_ptr_ptr));
				}
			}

			efree(class_file);
			return zend_hash_exists(EG(class_table), (char*)lc_name, class_name_len+1);
		}
	}
	efree(class_file);
	return 0;
Unknown