how to change upload img url with cakephp? - php

Question

i am use this code to upload image ..this code save uploads url into database table to reuase the url again to view image was uploaded..the problem is to change url that saved into database not to change upload folder (make short ulr to save) like this
from
img/dvds/sunset.jpg
to
dvds/sunset.jpg
this change that i need make me use image() helper easy..
<?php
/**
* App Controller
*
* file: /app/app_controller.php
*/
class AppController extends Controller {
/**
* slug()
* creates a slug from a string
*/
function slug($str) {
// replace spaces with underscore, all to lowercase
$str = strtolower(str_replace(' ', '_', $str));
// create regex pattern
$pattern = "/[^a-zA-Z0-9_]/";
// replace non alphanumeric characters
$str = preg_replace($pattern, '', $str);
return $str;
}
/**
* uploads files to the server
* #params:
* $folder = the folder to upload the files e.g. 'img/files'
* $formdata = the array containing the form files
* $itemId = id of the item (optional) will create a new sub folder
* #return:
* will return an array with the success of each file upload
*/
function upload_files($folder, $formdata, $item_id = null) {
// setup dir names absolute and relative
$folder_url = WWW_ROOT.$folder;
$rel_url = $folder;
// create the folder if it does not exist
if(!is_dir($folder_url)) {
mkdir($folder_url);
}
// if itemId is set create an item folder
if($item_id) {
// set new absolute folder
$folder_url = WWW_ROOT.$folder.'/'.$item_id;
// set new relative folder
$rel_url = $folder.'/'.$item_id;
// create directory
if(!is_dir($folder_url)) {
mkdir($folder_url);
}
}
// list of permitted file types, this is only images but documents can be added
$permitted = array('image/gif','image/jpeg','image/pjpeg','image/png');
// loop through and deal with the files
foreach($formdata as $file) {
// replace spaces with underscores
$filename = str_replace(' ', '_', $file['name']);
// assume filetype is false
$typeOK = false;
// check filetype is ok
foreach($permitted as $type) {
if($type == $file['type']) {
$typeOK = true;
break;
}
}
// if file type ok upload the file
if($typeOK) {
// switch based on error code
switch($file['error']) {
case 0:
// check filename already exists
if(!file_exists($folder_url.'/'.$filename)) {
// create full filename
$full_url = $folder_url.'/'.$filename;
$url = $rel_url.'/'.$filename;
// upload the file
$success = move_uploaded_file($file['tmp_name'], $url);
} else {
// create unique filename and upload file
ini_set('date.timezone', 'Europe/London');
$now = date('d-m-Y-His');
$full_url = $folder_url.'/'.$now.$filename;
$url = $rel_url.'/'.$now.' - '.$filename;
$success = move_uploaded_file($file['tmp_name'], $url);
}
// if upload was successful
if($success) {
// save the url of the file(i want to change this code)
$result['urls'][] = $url;
} else {
$result['errors'][] = "Error uploaded $filename. Please try again.";
}
break;
case 3:
// an error occured
$result['errors'][] = "Error uploading $filename. Please try again.";
break;
default:
// an error occured
$result['errors'][] = "System error uploading $filename. Contact webmaster.";
break;
}
} elseif($file['error'] == 4) {
// no file was selected for upload
$result['nofiles'][] = "No file Selected";
} else {
// unacceptable file type
$result['errors'][] = "$filename cannot be uploaded. Acceptable file types: gif, jpg, png.";
}
}
return $result;
}
}
?>

Answer 1

Could you not simply change
$result['urls'][] = $url;
to
$result['urls'][] = substr($url, 4);