inc/Form/ValueElement.php

   1 <?php
   2
   3 namespace dokuwiki\Form;
   4
   5 /**
   6  * Class ValueElement
   7  *
   8  * Just like an Element but it's value is not part of its attributes
   9  *
  10  * What the value is (tag name, content, etc) is defined by the actual implementations
  11  *
  12  * @package dokuwiki\Form
  13  */
  14 abstract class ValueElement extends Element
  15 {
  16     /**
  17      * @var string holds the element's value
  18      */
  19     protected $value = '';
  20
  21     /**
  22      * @param string $type
  23      * @param string $value
  24      * @param array $attributes
  25      */
  26     public function __construct($type, $value, $attributes = [])
  27     {
  28         parent::__construct($type, $attributes);
  29         $this->val($value);
  30     }
  31
  32     /**
  33      * Get or set the element's value
  34      *
  35      * @param null|string $value
  36      * @return string|$this
  37      */
  38     public function val($value = null)
  39     {
  40         if ($value !== null) {
  41             $this->value = $value;
  42             return $this;
  43         }
  44         return $this->value;
  45     }
  46 }