PHP輸出空ZIP

Question

該腳本成功生成PDF文件到文件夾TMP/....

然而ZIP輸出到瀏覽器是空的，我不知道我做錯了。

$file = tempnam("tmp", "zip"); 

$zip = new ZipArchive(); 

// Zip will open and overwrite the file, rather than try to read it. 
$zip->open($file, ZipArchive::OVERWRITE); 
foreach(explode(',', $_POST["ids"]) as $Client_ID) 
{ 
    $sql_qry="select * 
      from ca_client_statement 
      where client_id='".$Client_ID."' and trading_period_month like '".$TP_Month."'"; 
    $sql_err_no=sql_select($sql_qry,$sql_res,$sql_row_count,$sql_err,$sql_uerr); 

    //echo $sql_qry; 
    //echo '<br/>'; 
    $row = mysql_fetch_assoc($sql_res); 
    $file_content = $row['pdf_statement']; 
    $file_name = 'tmp/'.$Client_ID.'statement.pdf'; 
    $pdf=file_put_contents($file_name, $file_content); 
    $zip->addFile($pdf); 
} 

$zip->close(); 

// Stream the file to the client 
header("Content-Type: application/zip"); 
header("Content-Length: " . filesize($file)); 
header("Content-Disposition: attachment; filename=\"a_zip_file.zip\""); 
readfile($file); 

unlink($file); 

Answer 1

file_put_contents()返回寫入的字節數，而不是文件名。嘗試更改後的權利：

$zip->addFile($file_name);