[Tickets #15156] Re: LDAP Authentication failure

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Ticket URL: https://bugs.horde.org/ticket/15156
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  Ticket             | 15156
  Updated By         | nels at maei.ca
  Summary            | LDAP Authentication failure
  Queue              | Horde Base
  Version            | FRAMEWORK_6_0
  Type               | Bug
  State              | Unconfirmed
  Priority           | 3. High
  Milestone          |
  Patch              |
  Owners             |
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nels at maei.ca (2024-01-15 23:25) wrote:

After doing some searching on the exact error message, I found a forum  
thread for a different application where this error message started  
showing up after upgrading from PHP 8.0 to a higher version.

For testing purposes, I installed the required PHP 8.0.30 packages  
from the Remi-Safe repository and reconfigured the Apache virtualhost  
to use PHP 8.0 rather than PHP 8.2. LDAP logins immediately started  
working.

This appears to be a PHP 8.1+ issue; from the PHP documentation at  
https://www.php.net/manual/en/migration81.incompatible.php:

  * The LDAP functions now accept and return LDAP\Connection objects  
instead of ldap link resources.
  * The LDAP functions now accept and return LDAP\Result objects  
instead of ldap result resources.
  * The LDAP functions now accept and return LDAP\ResultEntry objects  
instead of ldap result entry resources.