fbsql_create_blob
(PHP 4 >= 4.2.0, PHP 5)
fbsql_create_blob — Create a BLOB
说明
string fbsql_create_blob ( string $blob_data [, resource $link_identifier ] )Creates a BLOB from the given data.
参数
- blob_data
-
The BLOB data.
- link_identifier
-
由 fbsql_connect() 或 fbsql_pconnect() 返回的 FrontBase 链接标识符.
如可选并未指定，函数会尝试查找一个到 FrontBase 服务器的开放链接，且如没有找到这样的链接，会尝试通过不带参数调用 fbsql_connect() 来创建一个。
返回值
Returns a resource handle to the newly created BLOB, which can be used with insert and update commands to store the BLOB in the database.
范例
Example #1 fbsql_create_blob() example
<?php
$link = fbsql_pconnect("localhost", "_SYSTEM", "secret")
or die("Could not connect");
$filename = "blobfile.bin";
$fp = fopen($filename, "rb");
$blobdata = fread($fp, filesize($filename));
fclose($fp);
$blobHandle = fbsql_create_blob($blobdata, $link);
$sql = "INSERT INTO BLOB_TABLE (BLOB_COLUMN) VALUES ($blobHandle);";
$rs = fbsql_query($sql, $link);
?>
参见
- fbsql_create_clob() - Create a CLOB
- fbsql_read_blob() - Read a BLOB from the database
- fbsql_read_clob() - Read a CLOB from the database
- fbsql_set_lob_mode() - Set the LOB retrieve mode for a FrontBase result set
