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16 years ago
I've tried to use a suggestion in the first comment but that didn't actually worked as I would expect... I wanted to get all data no matter how big it is, but strange things happened and I finally found this solution (works fine at least for MS SQL 2000 for at least few MB of binary data):

<?php
// connection
$link = odbc_connect($odbc_source_name, $user, $pass);

// query (note - one row in this example)
$sql = 'SELECT image_data_column FROM some_table WHERE record_id=1';

// run
$result = odbc_exec ($link, $sql)
if (!$result)
{
    trigger_error ('[sql] exec: '.$sql, E_USER_ERROR);
}

// fetch settings
odbc_binmode ($result, ODBC_BINMODE_PASSTHRU); 
odbc_longreadlen ($result, 0);

// get contents
ob_start(); // you would probably need to move this inside if you expect more rows
while (odbc_fetch_row($result))
{
    odbc_result($result, 1); // this actually echos all of the contents of the image_data_column
}
odbc_free_result($result);
$contents = ob_get_clean();
?>
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