LdapTools\Schema\LdapObjectSchema::getAttributeToLdap PHP Method

    public function getAttributeToLdap($attribute)
    {
        return $this->hasAttribute($attribute) ? MBString::array_change_key_case($this->attributeMap)[MBString::strtolower($attribute)] : $attribute;
    }

 /**
  * Convert values to LDAP.
  *
  * @param array $entry The LDAP entry.
  * @return array
  */
 public function toLdap(array $entry)
 {
     $toLdap = [];
     foreach ($entry as $attribute => $value) {
         $toLdap[$this->schema->getAttributeToLdap($attribute)] = $value;
     }
     return $toLdap;
 }