fbsql_create_blob()
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
Create a BLOB
说明
fbsql_create_blob(string $blob_data[,resource $link_identifier]): string
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 CLOBfbsql_read_blob()
Read a BLOB from the databasefbsql_read_clob()
Read a CLOB from the databasefbsql_set_lob_mode()
Set the LOB retrieve mode for a FrontBase result set