array (size=2)
  1 =>
    array (size=3)
      'name' => string 'Kumar Sami' (length=10)
      'sex' => string 'male' (length=4)
      'age' => string '14' (length=2)
  2 =>
    array (size=3)
      'name' => string 'Ramakumar Sami' (length=14)
      'sex' => string 'female' (length=6)
      'age' => string '16' (length=2)

foreach ($array as $i)
{
  echo $i['name'];
}

$newValue = 'John';

// old value was Kumar Sami
$array[1]['name'] = $newValue;

unset($array[1]);

foreach($array as $val) {
    foreach($val as $v) {
        echo "$vn";
    }
}

foreach ($array as $row)
{
  //To print array value, use echo function
  echo $row['name'];


}

$array[1]['name'] ="shail";

unset($array[2]);

echo '<textarea>' . print_r($array,true) . '</textarea>';

foreach($data as $dkey => $datum) {
    foreach ($datum as $ikey => $item) {
        echo <<<EOL
<input type="text" name="name[$dkey][$ikey]" value="{$item['name']}" maxlength="{$item['length']}" />
etc...
EOL
}