/**
  * See formatDate() method
  *
  * @param $identifier
  * @param int $timestamp
  * @return string
  */
 protected function formatDateTime($identifier, $timestamp = 0)
 {
     $timestamp = $timestamp ? $timestamp : time();
     $utc = ilCertificateConfig::get('time_format_utc');
     $format = ilCertificateConfig::get('str_format_datetime');
     // Check if a hook wants to modify the date format
     $format_custom = $this->pl->getHooks()->formatDate($this->certificate, $identifier);
     if ($format_custom) {
         $format = $format_custom;
     }
     $value = $utc ? gmdate($format, $timestamp) : date($format, $timestamp);
     return $value;
 }
 /**
  * Load all the placeholders (standard and custom) with key => value
  * Custom placeholders are loaded in the correct language
  * All placeholders are passed to the hook class to do custom logic.
  * Finally keys are wrapped with the start/end symbols, e.g. [[key]]
  *
  * @param bool $anonymized
  */
 protected function loadPlaceholders($anonymized = false)
 {
     $placeholders = $this->getStandardPlaceholders($anonymized)->getParsedPlaceholders();
     $available_langs = $this->definition->getType()->getLanguages();
     $user_lang = $this->getUser()->getLanguage();
     $default_lang = $this->definition->getSettingByIdentifier(srCertificateTypeSetting::IDENTIFIER_DEFAULT_LANG);
     $lang = in_array($user_lang, $available_langs) ? $user_lang : $default_lang;
     /** @var $ph_value srCertificatePlaceholderValue */
     foreach ($this->definition->getPlaceholderValues() as $ph_value) {
         $placeholders[$ph_value->getPlaceholder()->getIdentifier()] = $ph_value->getValue($lang);
     }
     // Hacky: Add signature placeholders
     if ($this->definition->getSignatureId()) {
         $signature = $this->definition->getSignature();
         $placeholders['SIGNATURE_NAME'] = $signature->getFirstName() . ' ' . $signature->getLastName();
         $placeholders['SIGNATURE_FIRSTNAME'] = $signature->getFirstName();
         $placeholders['SIGNATURE_LASTNAME'] = $signature->getLastName();
         $placeholders['SIGNATURE_IMAGE'] = $signature->getFilePath(true);
         $placeholders['SIGNATURE_IMAGE_SUFFIX'] = $signature->getSuffix();
     }
     $this->placeholders = $this->pl->getHooks()->processPlaceholders($this, $placeholders);
     $this->placeholders = srCertificatePlaceholder::getFormattedPlaceholders($this->placeholders);
 }