Introduction into PHP Extensions



geo_array \*geo_hashtable_to_array(zval \*array TSRMLS_DC)
{
    geo_array *tmp;
    int element_count, i = 0;
    zval *entry;
    double lon, lat;

    element_count = *zend_hash_num_elements*(Z_ARRVAL_P(array));
    *tmp = geo_array_ctor(element_count);*

    *ZEND_HASH_FOREACH_VAL*(Z_ARRVAL_P(array), entry) {
        if (!parse_point_pair(entry, &lon, &lat TSRMLS_CC)) {
            goto failure;
        }

        tmp->x[i] = lon;
        tmp->y[i] = lat;
        tmp->status[i] = 1;

        i++;
    } ZEND_HASH_FOREACH_END();

    return tmp;

failure:
    *geo_array_dtor(tmp);*
    return NULL;
}