ibase_blob_get
(PHP 4, PHP 5)
ibase_blob_get — Get len bytes data from open blob
说明
string ibase_blob_get
( resource $blob_handle
, int $len
)
This function returns at most len bytes from a BLOB that has been opened for reading by ibase_blob_open().
Note: It is not possible to read from a BLOB that has been opened for writing by ibase_blob_create().
返回值
Returns at most len bytes from the BLOB, or FALSE on failure.
范例
Example#1 ibase_blob_get() example
<?php
$result = ibase_query("SELECT blob_value FROM table");
$data = ibase_fetch_object($result);
$blob_data = ibase_blob_info($data->BLOB_VALUE);
$blob_hndl = ibase_blob_open($data->BLOB_VALUE);
echo ibase_blob_get($blob_hndl, $blob_data[0]);
?>
