<?php
$indent = "  ";

header( 'Content-type: text/plain' );

function print_var( $var, $idx, $depth = 1 ) {
  global $indent;

  print str_repeat( $indent, $depth - 1 );
  if( is_array( $var ) ) {
    print "$idx:\n";
    if( is_array( $var ) ) {
      foreach( $var as $key => $value ) {
        print_var( $value, $key, $depth + 1 );
      }
    }
  } else {
    print "[$idx] = $var\n";
  }
}

if( count( $_GET ) > 0 ) {
  print_var( $_GET, '$_GET' );
}

if( count( $_POST ) > 0 ) {
  print_var( $_POST, '$_POST' );
}

if( count( $_FILES ) > 0 ) {
  $files = array();
  print_var( $_FILES, '$_FILES' );
}