citation_select.install

<?php

/**
 * @file
 * Module installation hooks implementation.
 */

/**
 * Implements hook_requirements().
 */
function citation_select_requirements($phase) {
  $requirements = [];

  switch ($phase) {
    case 'runtime':
    case 'install':
      if (!class_exists('\Seboettg\CiteProc\CiteProc') || !class_exists('\ADCI\FullNameParser\Parser')) {
        $requirements['citation_select_dependencies'] = [
          'title' => t('Citation Select dependencies'),
          'description' => t("Citation Select requires the seboettg/citeproc-php and adci/full-name-parser libraries. See the module's README.md file for more information."),
          'severity' => REQUIREMENT_ERROR,
        ];
      }
  }

  return $requirements;
}