<?php
// 80x24 Terminal - actuall 24x24
// Function
// Compair 2 assoc arrays - give back the changes.
function array_diff_assoc_recursive($array1, $array2)
{
  foreach($array1 as $key => $value)
   {
    if(is_array($value))
     {
      if(!isset($array2[$key]))
       {
        $difference[$key] = $value;
       }
      elseif(!is_array($array2[$key]))
       {
        $difference[$key] = $value;
       }
      else
       {
        $new_diff = array_diff_assoc_recursive($value, $array2[$key]);

        if($new_diff != FALSE)
         {
          $difference[$key] = $new_diff;
         }
       }
     }
    elseif(!isset($array2[$key]) || $array2[$key] != $value)
     {
      $difference[$key] = $value;
     }
   }
  return !isset($difference) ? 0 : $difference;
}

// array mover
function array_mover($arr)
{
  $x = array_shift($arr);
  array_push($arr, $x);
  return($arr);
}

// Set up the first array ($a[x][y] X = Across, Y = Down)
// Since 0,0 is not valid we start the arrays as 1,1
$a = array();

// Clear the screen
echo chr(27),'[2J';

// Set up the first screen.
$xarr = array('A','B','C','D','E','F','G','H','I','J','K','L','M','O','P','Q','R','S','T','U','V','W','X');

for($j=1; $j<=24; ++$j)
{
  for($i=1; $i<=80; ++$i)
   {
    $a[$j][$i] = $xarr[$j-1];
   }
}

// Loop thru it since it's the first time displaying
foreach($a as $b1=>$c1)
{
  foreach($c1 as $d1=>$e1)
   {
    echo chr(27),'[',$b1,';',$d1,'f',$e1;
   }
}

// Move the array around and draw it..
for($i=1; $i>0;)
{
  $a = array_mover($a);

  foreach($a as $b1=>$c1)
   {
    foreach($c1 as $d1=>$e1)
     {
      echo chr(27),'[',$b1,';',$d1,'f',$e1;
     }
   }
}
?>