Indexing & extracting array values inside PHP 'for' loop - Multiple Files upload

[polarexpress]

How to index and extract array values inside a PHP for loop? Is there a way to do it?

I have included var_dump output and asked my question inside the following PHP upload script in comment out section.

My upload script is as following:

$updir = "/public_html/";

if (isset($_FILES['upload'])) {
  for($f=0; $f<count($_FILES['upload']['name']); $f++) {
    $file = $_FILES['upload']['name'][$f];     

$file_name = pathinfo($file, PATHINFO_FILENAME);		
$new_file_name = basename($file_name.'.'.'pdf');
$path = ($updir . $new_file_name);


if (move_uploaded_file ($_FILES['file_up']['tmp_name'][$f], $path)) {

 echo "Success";



 var_dump($path);
//				$path output here is as following:

//				string(23) "/public_html/image1.pdf" 
//				string(23) "/public_html/image2.pdf" 
//				
     $dir = array($path);
     var_dump($dir);		
//				$dir output here is as following:
//				
//				
//				array(1) { 
//				[0]=> string(23) "/public_html/image1.pdf" 
//				} 
//				
//				array(1) { 
//				[0]=> string(23) "/public_html/image2.pdf" 
//				} 
//				
//				HOW TO MERGE THE ABOVE TWO ARRAYS WITH AN INDEX  HERE LIKE
//				
//				array(1) {
//				[0]=>
//				string(23) "/public_html/image1.pdf" 
//				[1]=>
//				string(23) "/public_html/image2.pdf"
//				}
//				
//				AND OUTPUT THE ARRAY KEY VALUES INDIVIDUALLY?




}
}
}

<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" enctype="multipart/form-data">
  <input type="file" class="file_up" name="file_up[]" multiple>
  <input type="submit" value="UPLOAD" id="submit" />
</form>

The example current $_FILES array for two uploaded files are as following:

array(1) {
  ["upload"]=>
  array(5) {
    ["name"]=>
    array(2) {
      [0]=>
      string(10) "image1.pdf"
      [1]=>
      string(10) "image2.pdf"
    }
    ["type"]=>
    array(2) {
      [0]=>
      string(9) "image/pdf"
      [1]=>
      string(9) "image/pdf"
    }
    ["tmp_name"]=>
    array(2) {
      [0]=>
      string(14) "/tmp/phprHDGH2"
      [1]=>
      string(14) "/tmp/phpHGGFjH"
    }
    ["error"]=>
    array(2) {
      [0]=>
      int(0)
      [1]=>
      int(0)
    }
    ["size"]=>
    array(2) {
      [0]=>
      int(46556)
      [1]=>
      int(37747)
    }
  }
}

[NogDog]

I'd start by using a foreach() loop instead of a for() loop.

foreach($_FILES['upload']['name'] as $ix => $name) {
    // Now you have the current index for each piece in $ix,
    // and the file name is already in $name.
}

[polarexpress]

Hi Nog,

How foreach loop makes the difference than for loop when $path isn't an array. Have you seen the output of var_dump in my question? In this case shall not the foreach loop brings the same result like,

var_dump($path);
string(23) "/public_html/image1.pdf"  

string(23) "/public_html/image2.pdf"  

Here we only have two isolated strings in result returned by [$f] loop in upload process which we want use as a numeric array inside the [$f] loop execution like.

$filearray = array($path) ;
foreach ($filearray  as filelist){
var_dump($filelist);
}

array(1) { 
[0]=> 
string(23) "/public_html/image1.pdf"  

[1]=> 
string(23) "/public_html/image2.pdf" 
} 

It's not obvious that the array has to be an associative array. Let's share your idea with my perception.

NogDog;11062865 wrote:

I'd start by using a foreach() loop instead of a for() loop.

foreach($_FILES['upload']['name'] as $ix => $name) {
    // Now you have the current index for each piece in $ix,
    // and the file name is already in $name.
}

[Weedpacket]

Since you want them all in one array my first thought is to put them all into one array (instead of putting each one in a different array).
Maybe what you're trying to say is (I've also tidied up the formatting):

$updir = "/public_html/";

if (isset($_FILES['upload'])) {
	$dir = array();
	for($f=0; $f<count($_FILES['upload']['name']); $f++) { // Yes, I'd use foreach() as well.
		$file = $_FILES['upload']['name'][$f];     

	$file_name = pathinfo($file, PATHINFO_FILENAME);        
	$new_file_name = basename($file_name.'.'.'pdf');
	$path = ($updir . $new_file_name);


	if (move_uploaded_file ($_FILES['file_up']['tmp_name'][$f], $path)) {

		echo "Success";
		$dir[] = array($path);
	}
}
// Now try var_dump($dir);
}  

[polarexpress]

it returns two blank arrays with two values where each one has a numeric index 0.

I want to extract the paths so that I can use these as value of a single array or use in another array

[polarexpress]

Hi Weedpacket,

I'm using foreach() statement now. I had to define the index in file upload input. Now I can retrieve the path as desisred.

Anyway, thanks for your effort for trying to bring up the thing in light.

Weedpacket;11062873 wrote:

Since you want them all in one array my first thought is to put them all into one array (instead of putting each one in a different array).
Maybe what you're trying to say is (I've also tidied up the formatting):

$updir = "/public_html/";

if (isset($_FILES['upload'])) {
	$dir = array();
	for($f=0; $f<count($_FILES['upload']['name']); $f++) { // Yes, I'd use foreach() as well.
		$file = $_FILES['upload']['name'][$f];     

	$file_name = pathinfo($file, PATHINFO_FILENAME);        
	$new_file_name = basename($file_name.'.'.'pdf');
	$path = ($updir . $new_file_name);


	if (move_uploaded_file ($_FILES['file_up']['tmp_name'][$f], $path)) {

		echo "Success";
		$dir[] = array($path);
	}
}
// Now try var_dump($dir);
}