php_http_buffer_t *keybuf = php_http_buffer_from_string(key_str, key_len);
prepare_dimension(buf, keybuf, zvalue, pss, psl, vss, vsl, flags TSRMLS_CC);
php_http_buffer_free(&keybuf);
php_http_buffer_t *keybuf = php_http_buffer_from_string(key_str, key_len);
prepare_dimension(buf, keybuf, zvalue, pss, psl, vss, vsl, flags TSRMLS_CC);
php_http_buffer_free(&keybuf);