Symfony LDAP Password encoder example (adapt to *your* LDAP)

LdapEncoder.php

<?php

namespace App\Security;

use Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface;

class LdapEncoder implements PasswordEncoderInterface
{
   public function encodePassword($raw, $salt)
   {
       return "{SHA}" . base64_encode( pack( "H*", sha1( $raw ) ) );
   }

   public function isPasswordValid($encoded, $raw, $salt)
   {
       $rawEncoded = "{SHA}" . base64_encode( pack( "H*", sha1( $raw ) ) );

       return $encoded === $rawEncoded;
   }
}