Duplicate a task quickly to multiple projects after the creation

app/Template/task_creation/duplicate_projects.php

@@ -0,0 +1,28 @@
+<div class="page-header">
+    <h2><?= $this->text->e($project['name']) ?> &gt; <?= $this->text->e($task['title']) ?></h2>
+</div>
+
+<?php if (empty($projects_list)): ?>
+    <p class="alert"><?= t('There is no destination project available.') ?></p>
+    <div class="form-actions">
+        <?= $this->url->link(t('cancel'), 'BoardViewController', 'show', array('project_id' => $task['project_id']), false, 'close-popover btn') ?>
+    </div>
+<?php else: ?>
+    <form class="popover-form" method="post" action="<?= $this->url->href('TaskCreationController', 'duplicateProjects', array('project_id' => $task['project_id'])) ?>" autocomplete="off">
+        <?= $this->form->csrf() ?>
+        <?= $this->form->hidden('task_id', $values) ?>
+
+        <?= $this->form->select(
+            'project_ids[]',
+            $projects_list,
+            $values,
+            array(),
+            array('multiple')
+        ) ?>
+
+        <div class="form-actions">
+            <button type="submit" class="btn btn-blue"><?= t('Duplicate') ?></button>
+            <?= t('or') ?> <?= $this->url->link(t('cancel'), 'BoardViewController', 'show', array('project_id' => $task['project_id']), false, 'close-popover') ?>
+        </div>
+    </form>
+<?php endif ?>

app/Template/task_creation/show.php

@@ -13,6 +13,7 @@
 
             <?php if (! isset($duplicate)): ?>
                 <?= $this->form->checkbox('another_task', t('Create another task'), 1, isset($values['another_task']) && $values['another_task'] == 1) ?>
+                <?= $this->form->checkbox('duplicate_multiple_projects', t('Duplicate to multiple projects'), 1) ?>
             <?php endif ?>
 
             <?= $this->hook->render('template:task:form:first-column', array('values' => $values, 'errors' => $errors)) ?>