(PHP 5, PHP 7 < 7.4.0)
ibase_blob_create — Create a new blob for adding data
$link_identifier = null): resource|falseibase_blob_create() creates a new BLOB for filling with data.
link_identifierAn InterBase link identifier. If omitted, the last opened link is assumed.
Returns a BLOB handle for later use with
ibase_blob_add() 或者在失败时返回 false.