<?php 
// php_return_or_not.php
// RJM Programming
// May, 2016

function return_or_not($display) {
  $retval = "The quick brown fox jumps over the lazy dog.";
  if ($display) {
    echo $retval . "\n";
  } else {
    return $retval;
  }
}
 
echo "You can return ... " . return_or_not(false) . " ... or you can display ... ";
return_or_not(true);
?>