array_multisort_mulidimensional_array.php

<?php
 $myBooks = array(
   array(
     "title" => "The Grapes of Wrath",
     "author" => "John Steinbeck",
     "pubYear" => 1939
   ),
   array(
     "title" => "Travels With Charley",
     "author" => "John Steinbeck",
     "pubYear" => 1962
   ),
   array(
     "title" => "The Trial",
     "author" => "Franz Kafka",
     "pubYear" => 1925
   ),
   array(
     "title" => "The Hobbit",
     "author" => "J. R. R. Tolkien",
     "pubYear" => 1937
   ),
   array(
     "title" => "A Tale of Two Cities",
     "author" => "Charles Dickens",
     "pubYear" => 1859
   ),
 );
 
  array_multisort( $myBooks );
  echo "<pre>";
  print_r( $myBooks );
  echo "</pre>";
 ?>