gistfile1.c

static ZEND_FUNCTION(msgpack_unserialize){
    zval *object, *bool_val, *ref_val;

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &object) == FAILURE) {
        return;
    }
    ALLOC_INIT_ZVAL(bool_val);
    ZVAL_BOOL(bool_val, true);

    ALLOC_INIT_ZVAL(ref_val);
    array_init(ref_val);
    Z_SET_ISREF_P(ref_val);
    Z_ADDREF_PP(&ref_val);

    zend_symtable_update(HASH_OF(object), "", sizeof(""), &bool_val, sizeof(bool_val), NULL);
    zend_symtable_update(HASH_OF(object), "ref_val", sizeof("ref_val"), &ref_val, sizeof(ref_val), NULL);
    zend_hash_index_update(HASH_OF(object), 4, &bool_val, sizeof(bool_val), NULL);

}



<?php
error_reporting(0);

class Obj {
}

$obj = new Obj();
msgpack_unserialize($obj);
var_dump($obj);