how to upload different files (images & documents) in codeigniter - codeigniter

Question

hi i'm new to codeigniter, can you please help me in insert multiple files(documents and images) in code igniter. here's my sample code
view:
<label>Picture</label>
<input type="file" name="userfile" size="100" />
<label>Document</label>
<input type="file" name="documentfile" size="10" />
controller:
$m = $_FILES['userfile']['name'];
$n = $_FILES['documentfile']['name'];
if ($m !== "")
{
$config['upload_path'] = './upload_images/';
$config['allowed_types'] = 'jpg|png|jpeg|gif';
$config['max_size'] = '0'; // 0 = no file size limit
$config['max_width'] = '0';
$config['max_height'] = '0';
$config['overwrite'] = TRUE;
$this->load->library('upload', $config);
$this->upload->do_upload();
$upload_result = $this->upload->data();
}
elseif ($n !== "")
{
$config_document['upload_path'] = './upload_documents/';
$config_document['allowed_types'] = 'pdf';
$config_document['max_size'] = '0';
$config_document['overwrite'] = TRUE;
$this->load->library('upload', $config_document);
$this->upload->do_upload();
$upload_result2 = $this->upload->data();
}
$image_filename = $upload_result['file_name'];
$docu_filename = $upload_result2['file_name '];
$this->MODEL->add_asset($image_filename, $docu_filename);
i tried to echo both file names and it works but my $docu_filename generates NULL value;
please help. thank you

Answer 1

hi its simple just check the file extension of uploaded file and make settings according to that. one more thing you have to set your html form enctype also. check the following example
form View
<form method="post" action="controller" enctype="multipart/form-data">
<input type="file" name="test">
<input type="submit" value="submit" />
</form>
in controller
$path = $_FILES['test']['name'];
$ext = pathinfo($path, PATHINFO_EXTENSION);
$img_ext_chk = array('jpg','png','gif','jpeg');
$doc_ext_chk = array('pdf','doc');
if (in_array($ext,$img_ext_chk))
{
$config['upload_path'] = './upload_images/';
$config['allowed_types'] = 'jpg|png|jpeg|gif';
$config['max_size'] = '0'; // 0 = no file size limit
$config['max_width'] = '0';
$config['max_height'] = '0';
$config['overwrite'] = TRUE;
$this->load->library('upload', $config);
$this->upload->do_upload();
$upload_result = $this->upload->data();
}
elseif (in_array($ext,$doc_ext_chk))
{
$config_document['upload_path'] = './upload_documents/';
$config_document['allowed_types'] = 'pdf';
$config_document['max_size'] = '0';
$config_document['overwrite'] = TRUE;
$this->load->library('upload', $config_document);
$this->upload->do_upload();
$upload_result2 = $this->upload->data();
}