Codeigniter file upload doesn't get to controller

Question

I need to upload a file in my server on file input change. I used the library for file input from Codeigniter.

index

<form class="image" method="POST">
    <input id="image-value" data-id="{{id}}" name="{{picture}}" class="image-box-{{id}}" data-type="{{type}}" type="file" value="{{picture}}" />
</form>

here is the view where I made a form that accepts an image

script

$('[id="image-value"]').change(function(e) {
 var file_data = $(this).prop('files')[0];   
 var form_data = new FormData();

 form_data.append('file', file_data);

 $.ajax({ // 02102016 AA: picture_caption
    url: './upload_picture/',
    dataType: 'json',
    cache: false,
    contentType: false,
    processData: false,
    data: form_data,                         
    type: 'post',
    success: function(data){
        alert(data);
    },
    error: function(jqXHR, textStatus, errorThrown) {
        console.error("The following error occured: " + textStatus, errorThrown);
    }
});

when triggered, the script gets the file from the index and send it to my controller

controller

function __construct() {
    parent::__construct();
    $config['upload_path'] = './data/picture/';
    $config['allowed_types'] = 'gif|jpg|png|jpeg';
    $this->load->library('upload', $config);
    $this->upload->initialize($config);
}

function upload_picture() {
// $data = Array();
log_message("debug", "do_upload: ".$this->upload->do_upload());
if ($this->upload->do_upload()) {
    log_message("debug", "data: ".$this->upload->data());
}

the problem (i think) is in how i passed the data from my controller as the value of do_upload is still false even the the data has been passed from the script

I found a great solution!

turns out it just needed "file" as do_upload() parameter. thanks for this great article! saved my life!

@VinodVT, i added <form class="image" method="POST" enctype="multipart/form-data"> but i still get false — Hard Spocker
– Hard Spocker, Commented Mar 1, 2016 at 6:36
i think it doesnt need an action because it can be triggered with my script @AnmolRaghuvanshiVersion1.0 — Hard Spocker
– Hard Spocker, Commented Mar 1, 2016 at 6:40

Shiva · Accepted Answer · 2016-03-01 07:18:30Z

0

Function name included but controller name not included ..

$('[id="image-value"]').change(function(e) {
var file_data = $(this).prop('files')[0];   
var form_data = new FormData();

form_data.append('file', file_data);

$.ajax({ // 02102016 AA: picture_caption
url: 'controllerName/upload_picture/', //add the controller.
dataType: 'json',
cache: false,
contentType: false,
processData: false,
data: form_data,                         
type: 'post',
success: function(data){
    alert(data);
},
error: function(jqXHR, textStatus, errorThrown) {
    console.error("The following error occured: " + textStatus, errorThrown);
}

});

controller

    $var = $_POST['file'];
    print_r($var);
     if($this->input->post('file')) {

    $config['upload_path'] = 'upload'; 
    $config['file_name'] = $var; // this may be needed
    $config['overwrite'] = 'TRUE';
    $config["allowed_types"] = 'jpg|jpeg|png|gif';
    $config["max_size"] = '1024';
    $config["max_width"] = '400';
    $config["max_height"] = '400';
    $this->load->library('upload', $config);

    if(!$this->upload->do_upload()) {               
        $this->data['error'] = $this->upload->display_errors();
        print_r( $this->data['error']);
    } else {
        print_r("success");                                      
    }

edited Mar 1, 2016 at 7:18

answered Mar 1, 2016 at 7:03

Shiva

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1 Comment

Hard Spocker Over a year ago

this isnt the case. my controller is called as the log is displayed.

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