   #PHP Manual FrontBase Functions fbsql_query fbsql_read_clob

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                                fbsql_read_blob

   (PHP 4 >= 4.2.0)
   fbsql_read_blob -- Read a BLOB from the database

Description

   string fbsql_read_blob ( string blob_handle [, resource
   link_identifier])

   Returns: A string containing the BLOB specified by blob_handle.

   fbsql_read_blob() reads BLOB data from the database. If a select
   statement contains BLOB and/or CLOB columns FrontBase will return the
   data directly when data is fetched. This default behavior can be
   changed with fbsql_set_lob_mode() so the fetch functions will return
   handles to BLOB and CLOB data. If a handle is fetched a user must call
   fbsql_read_blob() to get the actual BLOB data from the database.

   Example 1. fbsql_read_blob() example
   <?php
       $link = fbsql_pconnect("localhost", "_SYSTEM", "secret")
           or die("Could not connect");
       $sql = "SELECT BLOB_COLUMN FROM BLOB_TABLE;";
       $rs = fbsql_query($sql, $link);
       $row_data = fbsql_fetch_row($rs);
       // $row_data[0] will now contain the blob data for the first row
       fbsql_free_result($rs);

       $rs = fbsql_query($sql, $link);
       fbsql_set_lob_mode($rs, FBSQL_LOB_HANDLE);
       $row_data = fbsql_fetch_row($rs);
       // $row_data[0] will now contain a handle to the BLOB data in the
   first row
       $blob_data = fbsql_read_blob($row_data[0]);
       fbsql_free_result($rs);

   ?>

   See also: fbsql_create_blob(), fbsql_read_blob(), fbsql_read_clob(),
   and fbsql_set_lob_mode().
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