Upload file via FTP

Quote:

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Not neccessarily... you can modify files that are on the server through php, but it is hard to do so, depending on complexity.

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Not via FTP, you can't. :)

Someone tell me that with ftp continues upload a file to the end despite network problems and with http the upload breaks. It´s true??

Quote:

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One more question. Can I do an update query for change a file?

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The question isn't completely right. I will reformulate:

Can I do an update query via ftp?

I don´t understand why doesn't update the register knowing that with a insert query works:

PHP Code:

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if ($_POST["edit"] == "Alterar")
    {
            if ($_POST["titulo"] != "")
            {
                // set up basic connection
                    $conn_id = ftp_connect($ftp_server); 
                    
                    // login with username and password
                    $login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass); 
                    
                    // check connection
                    if ((!$conn_id) || (!$login_result)) { 
                           //echo "FTP connection has failed!";
                           echo "<script>alert('Ligação ao servidor FTP falhada.');</script>";
                           //echo "Attempted to connect to $ftp_server for user $ftp_user_name"; 
                           exit; 
                       } else {
                           //echo "Connected to $ftp_server, for user $ftp_user_name";
                       }
                    
                    
                    // upload the file
                    $upload = ftp_put($conn_id, $destination_file, $source_file, FTP_BINARY); 
                    
                    // check upload status
                    if (!$upload) { 
                           $sql = "update livros set imagem = '', titulo = '".$_POST["titulo"]."', autor = '".$_POST["autor"]."', ano = '".$_POST["ano"]."', editora = '".$_POST["editora"]."', link = '".$_POST["link"]."', link_text = '".$_POST["link_text"]."', descricao = '".$_POST["descricao"]."', cat_ID = '".$_POST["cat_ID"]."' where livro_ID = ".$_POST["livro_ID"];
                           echo "<script>alert('Ficheiro actualizado com sucesso sem imagem.');</script>";
                       } else {
                                if (is_file("../images/livros/".$_FILES['file']['name'])) {
                                $sql = "update livros set imagem = 'images/livros/".$_FILES["file"]["name"]."', titulo = '".$_POST["titulo"]."', autor = '".$_POST["autor"]."', ano = '".$_POST["ano"]."', editora = '".$_POST["editora"]."', link = '".$_POST["link"]."', link_text = '".$_POST["link_text"]."', descricao = '".$_POST["descricao"]."', cat_ID = '".$_POST["cat_ID"]."' where livro_ID = ".$_POST["livro_ID"];
                                //echo " Actual query: " .$sql;
                                echo "<script>alert('Ficheiro actualizado com sucesso.');</script>";
                            }
                           //echo "Uploaded $source_file to $ftp_server as $destination_file";
                       }
                    
                    // close the FTP stream 
                    ftp_close($conn_id); 
            }
            else
            {
                echo "<script>alert('Título obrigatório.');</script>";
            }
    } 


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Can you explain??

NOTE: it confirms the updating but the register don´t modify!!