Question

I am trying to get my code to work. I basically check that if a folder exists, and any sub folder exists within that directory called 3 or more (3,4,5) then do a loop, otherwise nothing.

// the folder path
$folderPath="".cdnurl."assets/".pid."";
// looks like site.com/assets/342/

// is there a sub folder called 3 or more, 3,4,5 and loop from 3
// site.com/assets/342/3
// site.com/assets/342/4
// etc, we only loop if 3 exists other wise nothing

$folderSubNumber =>3;

    while(file_exists($folderPath.$folderSubNumber)) {

        echo '<li><img src="assets/pid/'.folderSubNumber.'';

    } else {

    // nothing 
        echo "";    
    }

Answer 1

// Build folder path
$folder_path = cdnurl . 'assets/' . $pid . '/';

// Loop from 3 to 5
for ($i = 3; i <= 5; $i++) {

  // Checking for a valid sub-directory
  // Will check sub-directory e.g.: site.com/assets/342/3/
  if ( is_dir($folder_path . $i . '/') ) {

    // Sub-directory exists
    echo $folder_path . $i;
  } else {

    // No Sub-directory, break out of for loop
    // This is will stop PHP for looking for sub-directory 4 or 5
    break;
  }
}