ajout de la partie slam dans le dossier web

ap23/web/doku/inc/Form/ValueElement.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace dokuwiki\Form;
+
+/**
+ * Class ValueElement
+ *
+ * Just like an Element but it's value is not part of its attributes
+ *
+ * What the value is (tag name, content, etc) is defined by the actual implementations
+ *
+ * @package dokuwiki\Form
+ */
+abstract class ValueElement extends Element {
+
+    /**
+     * @var string holds the element's value
+     */
+    protected $value = '';
+
+    /**
+     * @param string $type
+     * @param string $value
+     * @param array $attributes
+     */
+    public function __construct($type, $value, $attributes = array()) {
+        parent::__construct($type, $attributes);
+        $this->val($value);
+    }
+
+    /**
+     * Get or set the element's value
+     *
+     * @param null|string $value
+     * @return string|$this
+     */
+    public function val($value = null) {
+        if($value !== null) {
+            $this->value = $value;
+            return $this;
+        }
+        return $this->value;
+    }
+
+}