PHP: Trying to upload multiple files, or a single file - php

Question

protected function upload($name) {
$files = array();
// if block 1
if(!empty($_FILES[$name]['tmp_name'])) {
for($i = 0; $i < count($_FILES[$name]['tmp_name']); $i++) {
// if block #2
if(!empty($_FILES[$name]['tmp_name']) && is_uploaded_file($_FILES[$name]['tmp_name'][$i])) {
# we're dealing with multiple uploads
$handle['key'] = $name;
$handle['name'] = $_FILES[$name]['name'][$i];
$handle['size'] = $_FILES[$name]['size'][$i];
$handle['type'] = $_FILES[$name]['type'][$i];
$handle['tmp_name'] = $_FILES[$name]['tmp_name'][$i];
// put each array into the $files array
array_push($files,$this->_process_image($handle));
}
#block 3...
}
return $files;
}
return false;
}
I'm trying to create a function that will handle multiple upload scenarios: multiple file uploads per submit, and one file upload per submit, using a variety of file inputs.
The above method...
works as expected with two inputs
<input name="multiple[]" type="file">
<input name="multiple[]" type="file">
and a single input using multiple...
<input name="multiple[]" type="file" multiple>
but not a single input using a single upload
<input name="single" type="file">
Now, I noticed that if I change the name of single to single[] it works. So I copied block #2 and added it as another block (where #3 is), but this time without using [$i] and it worked for the single input, but failed if i had multiple inputs but only used one input to upload one file (not uploading 2 files using both inputs).
My brain hurts. How can I get this to work for all these scenarios?
Edit: When I say it's not working, I mean it's not even processing. No output, no errors, nothing. I think it's just being skipped over, which is why I added block #3...

Answer 1

HTML
<form action="file-upload.php" method="post" enctype="multipart/form-data">
Send these files:
<br />
<input name="userfile[]" type="file" />
<br />
<input name="userfile[]" type="file" />
<br />
<input type="submit" value="Send files" />
PHP(file-upload.php)
<?php
if ($_FILES['upload']) {
$file_ary = reArrayFiles($_FILES['userfile']);
foreach ($file_ary as $file) {
if(intval($file['error'])==4){
continue;
}
//If you upload a single file this will execute only once
print 'File Name: ' . $file['name'];
print 'File Type: ' . $file['type'];
print 'File Size: ' . $file['size'];
}
}
function reArrayFiles($file_post) {
$file_ary = array();
$file_count = count($file_post['name']);
$file_keys = array_keys($file_post);
for ($i=0; $i<$file_count; $i++) {
foreach ($file_keys as $key) {
$file_ary[$i][$key] = $file_post[$key][$i];
}
}
return $file_ary;
}
?>
Files Output :

Answer 2

Figured it out and it was really easy. I needed to check if the $_FILES array contained more than one file and process accordingly. probably a little bit more code than I'd like, but it's working exactly how I wanted.
protected function upload($name) {
$files = array();
if(!empty($_FILES[$name]['tmp_name'])) {
# *** THIS IF BLOCK SOLVED THE PROBLEM ***
# JUST CHECK IF $_FILES HAS MORE THAN ONE FILE
if(count($_FILES[$name]['tmp_name']) > 1) {
for($i = 0; $i < count($_FILES[$name]['tmp_name']); $i++) {
if(!empty($_FILES[$name]['tmp_name']) && is_uploaded_file($_FILES[$name]['tmp_name'][$i])) {
# we're dealing with multiple uploads
$handle['key'] = $name;
$handle['name'] = $_FILES[$name]['name'][$i];
$handle['size'] = $_FILES[$name]['size'][$i];
$handle['type'] = $_FILES[$name]['type'][$i];
$handle['tmp_name'] = $_FILES[$name]['tmp_name'][$i];
array_push($files,$this->_process_image($handle));
}
}
return $files;
} else {
if(!empty($_FILES[$name]['tmp_name']) && is_uploaded_file($_FILES[$name]['tmp_name'])) {
# we're handling a single upload
$handle['key'] = $name;
$handle['name'] = $_FILES[$name]['name'];
$handle['size'] = $_FILES[$name]['size'];
$handle['type'] = $_FILES[$name]['type'];
$handle['tmp_name'] = $_FILES[$name]['tmp_name'];
return $this->_process_image($handle);
}
}
}
return false;
}