Implemented the Select field, which is an alternative to the Radio field.

layouts/form/layout.bootstrap.latte

@@ -27,7 +27,7 @@
                             <small class="text-danger">{$field->getErrors()|implode}</small>
                         {/if}
                     </div>
-                {case "FuzeWorks\Forms\Fields\RadioField"}
+                {case "FuzeWorks\Forms\Fields\RadioField", "FuzeWorks\Forms\Fields\SelectField"}
                     {$field|noescape}
                 {default}
                     <div class="form-group">

src/FuzeWorks/Forms/Fields/SelectField.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * FuzeWorks Forms Library
+ *
+ * The FuzeWorks PHP FrameWork
+ *
+ * Copyright (C) 2013-${YEAR} i15
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * @author    i15
+ * @copyright Copyright (c) 2013 - ${YEAR}, i15. (http://i15.nl)
+ * @license   https://opensource.org/licenses/MIT MIT License
+ *
+ * @link  https://i15.nl
+ * @since Version 1.3.0
+ *
+ * @version Version 1.3.0
+ */
+
+namespace FuzeWorks\Forms\Fields;
+
+class SelectField extends RadioField
+{
+
+    protected int $size = 0;
+
+    /**
+     * Set the number of visible options of the drop-down list.
+     *
+     * @param int $size
+     * @return $this
+     */
+    public function size(int $size): SelectField
+    {
+        $this->size = $size;
+        return $this;
+    }
+
+    public function generateHtml(): string
+    {
+        $id = "id='".$this->getId()."'";
+        $name = "name='".$this->getName()."'";
+        $label = $this->getLabel();
+        $lock = $this->lock ? "disabled" : "";
+        $class = "class='".implode(" ", $this->classNames)."'";
+        $required = !$this->optional ? "required" : "";
+        $size = $this->size == 0 ? "" : "size='".$this->size."'";
+
+        $out = "<div $class>";
+        $out .= "<label for='$name'>$label</label>";
+        $out .= "<select class='form-control' $name $id $lock $required $size>";
+        foreach ($this->options as $key => $val)
+        {
+            $selected = $key === $this->value ? "selected" : "";
+            $out .= "<option value='$key' $selected>" . $val . "</option>";
+        }
+
+        $out .= "</select></div>";
+        return $out;
+    }
+
+}