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fbsql_create_blob

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

fbsql_create_blobCreate 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

fbsql_connect() 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
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