为什么我的会话无法正常工作？

Question

My session does fails to resume when opening another file

I have 2 pages, test.php and test2.php. Each of my files are listed below.

test.php:

<?php
  session_save_path('sessBin');
  session_id('mySessionID');
  session_start();
  $_SESSION[1]="yo";
  echo $_SESSION[1];
?>
<a href="test2.php">go to test 2</a>

test2.php:

<?php
  session_save_path('sessBin');
  session_id('mySessionID');
  session_start();
  echo $_SESSION[1];
  echo "bleh";
?>

The first page returns:

"yo" <a href="test2.php">go to test 2</a>

however, when clicking on the link to go to test2.php, only this returns:

"bleh"

I did some research to find that cookies must be enabled. Well, they are... So what is wrong?

NOTE: (A discovery from afterwards)

I did notice that there were several files(including sess_mySessionID) in sessBin so the session is stored. However, the files are empty and the session does not seem to resume

Answer 1

session_start needs to be defined at the top of every page, right after the opening php tag, on every page where the session data is expected to exist. You must do this before addressing any other session function or variable.

** Update to Answer Based On Your Comments **

check for white space before the opening php tag in test2.php. Also, enable error reporting. You might be sending something out before the session call that is causing session_start() to fail.