(PHP 5, PHP 7, PECL OCI8 >= 1.1.0)
oci_free_descriptor — Frees a descriptor
$descriptor
) : boolFrees a descriptor allocated by oci_new_descriptor().
成功时返回 TRUE， 或者在失败时返回 FALSE。
Note:
This function is commonly used as a method OCI-LOB::free.