** Description changed:

  OS: Ubuntu 16.04.2 LTS
  Package : ltsp-cluster-control, version : 2.0.3-0ubuntu3
  Further packages : apache2, PHP7
  
  The script "ltsp-cluster-control/Admin/util/functions.php" uses the PHP-
  function "ereg_replace" (lines 82 and 84), which doesn't exist in PHP7.
  
  --- snip ---
  if($CONFIG["use_https"]=="false"){
    header("Location: 
http://".$prefix.ereg_replace('/[^/]*\.php$','/',$_SERVER['PHP_SELF']).$page.$param);
  }else{
    header("Location: 
https://".$prefix.ereg_replace('/[^/]*\.php$','/',$_SERVER['PHP_SELF']).$page.$param);
  }
  --- snap ---
  
  This error avoids "admin.php" to be executed.
  
  Using the CLI and callig the admin.php manually, I get the error message
  (some warnings omitted here) :
  
  --- snip ---
  php /usr/share/ltsp-cluster-control/Admin/admin.php
  ...
  PHP Fatal error:  Uncaught Error: Call to undefined function ereg_replace() 
in /usr/share/ltsp-cluster-control/Admin/util/functions.php:82
  Stack trace:
  #0 /usr/share/ltsp-cluster-control/Admin/util/functions.php(206): ltsp_goto()
  #1 /usr/share/ltsp-cluster-control/Admin/util/check.php(31): isSession()
  #2 /usr/share/ltsp-cluster-control/Admin/admin.php(23): 
include('/usr/share/ltsp...')
  #3 {main}
    thrown in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 
82
  --- snap ---
+ 
+ 
+ Same problem here: (ubuntu 16.04 and PHP7)
+ 
+ php -f /usr/share/ltsp-cluster-control/Admin/admin.php
+ PHP Notice:  Undefined index: ldap_host in 
/usr/share/ltsp-cluster-control/Admin/util/text-en.php on line 213
+ PHP Notice:  Undefined index: ldap_version in 
/usr/share/ltsp-cluster-control/Admin/util/text-en.php on line 216
+ PHP Notice:  Undefined index: auth_state in 
/usr/share/ltsp-cluster-control/Admin/util/functions.php on line 205
+ PHP Notice:  Undefined index: auth_state in 
/usr/share/ltsp-cluster-control/Admin/util/functions.php on line 71
+ PHP Notice:  Undefined index: HTTP_X_FORWARDED_HOST in 
/usr/share/ltsp-cluster-control/Admin/util/functions.php on line 77
+ PHP Notice:  Undefined index: HTTP_HOST in 
/usr/share/ltsp-cluster-control/Admin/util/functions.php on line 80
+ PHP Fatal error:  Uncaught Error: Call to undefined function ereg_replace() 
in /usr/share/ltsp-cluster-control/Admin/util/functions.php:82
+ Stack trace:
+ #0 /usr/share/ltsp-cluster-control/Admin/util/functions.php(206): ltsp_goto()
+ #1 /usr/share/ltsp-cluster-control/Admin/util/check.php(31): isSession()
+ #2 /usr/share/ltsp-cluster-control/Admin/admin.php(23): 
include('/usr/share/ltsp...')
+ #3 {main}
+   thrown in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 
82
+ 
+ Hope ltsp-cluster people can do some upgrade here.

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https://bugs.launchpad.net/bugs/1667244

Title:
  ltsp-cluster-control not working with PHP7

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