PHP: Using str_pad() to format text

PHP: Book List

$header="BOOK LIST";

$arr=array(

  'AYN RAND'=> 'Calumet K', 

  'ERNEST HEMINGWAY' =>' Wuthering Heights',

  'JOAN DIDION'=> 'Victory', 

  'RAY BRADBURY' => 'Fahrenheit 451 ',

  'GEORGE R.R. MARTIN' => 'Game of Thrones',

  'MARK TWAIN' => 'The Adventures of Tom Sawyer',

  'Stephen King' => 'The Shining',

  'James Patterson' => 'Alex Cross',

  'C. S. Lewis' => 'The Chronicles of Narnia',

  'Edgar Rice Burroughs' => 'Tarzan',

);

echo "<p>";

  

print(str_pad($header,60,"/",STR_PAD_BOTH)); //60 chars across: pad on both sides

  

echo "</p>";

foreach($arr as $author => $book){

  echo "<p>";

  print(str_pad($author,30,'.')); //30 chars across: default pad right side

  print(str_pad($book,30,'.',STR_PAD_LEFT)); //30 chars across: pad on left side

  echo "</p>";

  

} 

//Result

/////////////////////////BOOK LIST//////////////////////////

AYN RAND...........................................Calumet K

ERNEST HEMINGWAY.......................... Wuthering Heights

JOAN DIDION..........................................Victory

RAY BRADBURY.................................Fahrenheit 451

GEORGE R.R. MARTIN...........................Game of Thrones

MARK TWAIN......................The Adventures of Tom Sawyer

Stephen King.....................................The Shining

James Patterson...................................Alex Cross

C. S. Lewis.........................The Chronicles of Narnia

Edgar Rice Burroughs..................................Tarzan