1<?php 2 3namespace dokuwiki\plugin\config\core\Setting; 4 5/** 6 * Class setting_im_convert 7 */ 8class SettingImConvert extends SettingString 9{ 10 11 /** @inheritdoc */ 12 public function update($input) { 13 if($this->isProtected()) return false; 14 15 $input = trim($input); 16 17 $value = is_null($this->local) ? $this->default : $this->local; 18 if($value == $input) return false; 19 20 if($input && !file_exists($input)) { 21 $this->error = true; 22 $this->input = $input; 23 return false; 24 } 25 26 $this->local = $input; 27 return true; 28 } 29} 30