easyopac_wysiwyg_button.install

<?php

/**
 * @file
 * Module installation/uninstallation routine.
 */

/**
 * Implements hook_install().
 */
function easyopac_wysiwyg_button_install() {
  $settings = db_select('wysiwyg', 'w')
    ->fields('w', ['settings'])
    ->condition('format', 'ding_wysiwyg')
    ->condition('editor', 'ckeditor')
    ->execute()
    ->fetchField();

  $settings = unserialize($settings);
  $settings['buttons']['easyopac_button_plugin']['easyopac_button'] = 1;
  $settings = serialize($settings);

  db_update('wysiwyg')
    ->fields([
      'settings' => $settings,
    ])
    ->condition('format', 'ding_wysiwyg')
    ->condition('editor', 'ckeditor')
    ->execute();
}

/**
 * Implements hook_uninstall().
 */
function easyopac_wysiwyg_button_uninstall() {
  $settings = db_select('wysiwyg', 'w')
    ->fields('w', ['settings'])
    ->condition('format', 'ding_wysiwyg')
    ->condition('editor', 'ckeditor')
    ->execute()
    ->fetchField();

  $settings = unserialize($settings);
  unset($settings['buttons']['easyopac_button_plugin']);
  $settings = serialize($settings);

  db_update('wysiwyg')
    ->fields([
      'settings' => $settings,
    ])
    ->condition('format', 'ding_wysiwyg')
    ->condition('editor', 'ckeditor')
    ->execute();
}