Upload folder via GUI - inc

inc/fields/class-field-checkbox.php

@@ -0,0 +1,23 @@
+<?php
+if (!defined('ABSPATH')) exit;
+class WMF_Field_Checkbox extends WMF_Field_Base {
+    public $type='checkbox'; public $label='Kontrollkästchen'; public $icon='dashicons-yes-alt'; public $category='auswahl';
+    public function defaults() { return array_merge(parent::defaults(),array('options'=>array(array('label'=>'Option 1','value'=>'option_1')),'layout'=>'vertical')); }
+    public function render($field,$value='') {
+        $checked=is_array($value)?$value:($value?array($value):array()); ?>
+        <div class="<?php echo esc_attr($this->wrapper_classes($field)); ?>"<?php echo $this->conditional_attrs($field); ?> data-field-id="<?php echo esc_attr($field['id']); ?>">
+            <?php $this->render_label($field); ?>
+            <div class="wmf-checkbox-group wmf-layout-<?php echo esc_attr($field['layout']??'vertical'); ?>">
+                <?php foreach($field['options']??array() as $opt): ?>
+                    <label class="wmf-checkbox-label">
+                        <input type="checkbox" name="wmf_fields[<?php echo esc_attr($field['id']); ?>][]" value="<?php echo esc_attr($opt['value']); ?>" <?php echo in_array($opt['value'],$checked)?'checked':''; ?>>
+                        <span><?php echo esc_html($opt['label']); ?></span>
+                    </label>
+                <?php endforeach; ?>
+            </div>
+            <?php $this->render_description($field); ?>
+            <span class="wmf-field-error-msg"></span>
+        </div><?php
+    }
+    public function sanitize($v,$f) { return is_array($v)?array_map('sanitize_text_field',$v):array(); }
+}