Simple file upload script using php

Here i will explain a simple php script which will upload files to a particular directory specified.

1.  
2. <?php
3. session_start();
4. if(!isset($_POST['upload'])) {
5. echo ‘
6. <form name=”upload” enctype=”multipart/form-data” method=”POST” action=”‘.$_SERVER['REQUEST_URI'].’”>
7. <input type=”file” name=”file” size=”13″ value=”">
8. <br /><input type=”submit” name=”upload” value=”Upload”>
9. </form>
10. ‘;
11. } else {
12. $yourdomain = ‘http://localhost/’;
13. $uploaddir = ‘uploads/’;
14. $filename = $_FILES['file']['name'];
15. $filesize = $_FILES['file']['size'];
16. $tmpname_file = $_FILES['file']['tmp_name'];
17.   
18. if($filesize > ’1000000′) {
19. echo “Way too big!!”;
20. } else {
21. move_uploaded_file($tmpname_file, “$uploaddir$filename”);
22. echo “Successful.<br /><b>URL: </b>”.$yourdomain.$uploaddir.$filename.”</textarea>”;
23. }
24.   }
25. ?> 

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