paingsoethaw · April 28, 2018 14:03
diff --git a/preg_test.php b/preg_test.php

 <?php
   $S = "One last question:
 Bob needs to determine if Jane knows his phone number by passing a written note through Alice. 
 However, Alice must never know Bob's phone number.
 how Bob can determine if Jane has his phone number?";
   $result = preg_replace("/ /", "@", $S);
   
   print $result;
 ?>

	<?php
	$S = "One last question:
	Bob needs to determine if Jane knows his phone number by passing a written note through Alice.
	However, Alice must never know Bob's phone number.
	how Bob can determine if Jane has his phone number?";
	$result = preg_replace("/ /", "@", $S);

	print $result;
	?>