ibase_free_query (PHP 5, PHP 7 < 7.4.0)ibase_free_query — Free memory allocated by a prepared query 说明 ibase_free_query(resource $query): bool Frees a prepared query. 参数 query A query prepared with ibase_prepare(). 返回值 成功时返回 true， 或者在失败时返回 false。