Folder Tree Parser.md

$files = [
  0 => "bbc",
  1 => "bbc/images",
  2 => "bbc/images/1",
  3 => "bbc/videos",
  4 => "bbc/videos/10",
  5 => "cnn",
  6 => "cnn/images",
  7 => "cnn/images/2",
  8 => "cnn/videos",
  9 => "cnn/videos/20",
  10 => "public",
];


$out = [];

class Tree
{
    private $rel = "";
    
    function clean()
    {
        $this->rel = "";
    }
    
    function makeit( &$buffer, $files, $rel  )
{
    
    $this->rel .= $rel . "/";
    
    $files = explode( "/", $files );
    
    if( $files == [] )
    {
        return $this;
    }
    
    $file = $files [ 0 ];
    if( !isset( $buffer [ $file  ] ))
    {
        
        $buffer[ $file ] = [
            "name" => $file,
            "relativepath" => $this->rel,
            "children" => [],
        ];
        
        if( count( $files) < 2 )
        {
            return $this;
        }
       
        $this->makeit( $buffer[ $file ]["children"], implode( "/", array_slice( $files, 1 )  ), $file);
    }else {
        
        $this->makeit( $buffer[ $file ]["children"], implode( "/", array_slice( $files, 1 )  ), $file);
    }
    
    return $this;
}

}

$tree = new Tree();
foreach( $files as $file )
{
    $tree->makeit( $out, $file, "/nezar" )->clean();
}


$buffer = [];
foreach( $out as $o )
{
    $buffer[] = $o;
}


echo json_encode( $buffer );