Php/docs/function.ibase-blob-open

• PHP Manual
• Firebird/InterBase 函数
• Open blob for retrieving data parts

ibase_blob_open

(PHP 5, PHP 7 < 7.4.0)

ibase_blob_open — Open blob for retrieving data parts

说明

ibase_blob_open ( resource $link_identifier , string $blob_id ) : resource|false

ibase_blob_open ( string $blob_id ) : resource|false

Opens an existing BLOB for reading.

参数

link_identifier

An InterBase link identifier. If omitted, the last opened link is assumed.

blob_id

A BLOB id.

返回值

Returns a BLOB handle for later use with ibase_blob_get() 或者在失败时返回 false.

参见

• ibase_blob_close() - Close blob
• ibase_blob_echo() - Output blob contents to browser
• ibase_blob_get() - Get len bytes data from open blob