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(PHP 5, PHP 7 < 7.4.0)
ibase_blob_get — Get len bytes data from open blob
$blob_handle, int $len): string
This function returns at most len bytes from a BLOB
that has been opened for reading by ibase_blob_open().
注意:
It is not possible to read from a BLOB that has been opened for writing by ibase_blob_create().
Returns at most len bytes from the BLOB, or false
on failure.
示例 #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]);
?>
