FressRSS/app/views/subscription/index.phtml

<?php $this->partial('aside_subscription'); ?>

<div class="post drop-section">
	<a href="<?= _url('index', 'index') ?>"><?= _t('gen.action.back_to_rss_feeds') ?></a>

	<h2><?= _t('sub.title') ?></h2>

	<form id="add_rss" method="post" action="<?= _url('feed', 'add') ?>" autocomplete="off">
		<input type="hidden" name="_csrf" value="<?= FreshRSS_Auth::csrfToken() ?>" />
		<div class="stick">
			<input type="url" name="url_rss" class="long" placeholder="<?= _t('sub.feed.add') ?>" />
			<div class="dropdown">
				<div id="dropdown-cat" class="dropdown-target"></div>

				<a class="dropdown-toggle btn" href="#dropdown-cat"><?= _i('down') ?></a>
				<ul class="dropdown-menu">
					<li class="dropdown-close"><a href="#close">❌</a></li>

					<li class="dropdown-header"><?= _t('sub.category') ?></li>

					<li class="input">
						<select name="category" id="category">
						<?php foreach ($this->categories as $cat) { ?>
						<option value="<?= $cat->id() ?>"<?= $cat->id() == 1 ? ' selected="selected"' : '' ?>>
							<?= $cat->name() ?>
						</option>
						<?php } ?>
						<option value="nc"><?= _t('sub.category.new') ?></option>
						</select>
					</li>

					<li class="input" aria-hidden="true">
						<input type="text" name="new_category[name]" id="new_category_name" autocomplete="off" placeholder="<?= _t('sub.category.new') ?>" />
					</li>

					<li class="separator"></li>

					<li class="dropdown-header"><?= _t('sub.feed.auth.http') ?></li>
					<li class="input">
						<input type="text" name="http_user" id="http_user_feed" value=" " autocomplete="off" placeholder="<?= _t('sub.feed.auth.username') ?>" />
					</li>
					<li class="input">
						<input type="password" name="http_pass" id="http_pass_feed" autocomplete="new-password" placeholder="<?= _t('sub.feed.auth.password') ?>" />
					</li>
				</ul>
			</div>
			<button class="btn" type="submit"><?= _i('add') ?></button>
		</div>
	</form>

	<p class="alert alert-warn">
		<?= _t('sub.feed.moved_category_deleted', $this->default_category->name()) ?>
	</p>

	<?php if ($this->onlyFeedsWithError): ?>
	<p class="alert alert-warn">
		<?= _t('sub.feed.showing.error') ?>
	</p>
	<?php endif; ?>

	<div class="box">
		<div class="box-title"><label for="new-category"><?= _t('sub.category.add') ?></label></div>

		<ul class="box-content box-content-centered">
			<form action="<?= _url('category', 'create') ?>" method="post">
				<input type="hidden" name="_csrf" value="<?= FreshRSS_Auth::csrfToken() ?>" />
				<li class="item"><input type="text" id="new-category" name="new-category" placeholder="<?= _t('sub.category.new') ?>" /></li>
				<li class="item"><button class="btn btn-important" type="submit"><?= _t('gen.action.submit') ?></button></li>
			</form>
		</ul>
	</div>

	<form id="controller-category" method="post" aria-hidden="true">
		<input type="hidden" name="_csrf" value="<?= FreshRSS_Auth::csrfToken() ?>" />
	</form>

	<?php
		foreach ($this->categories as $cat) {
			$feeds = $cat->feeds();
	?>
	<div class="box">
		<div class="box-title">
			<a class="configure open-slider" href="<?= _url('subscription', 'category', 'id', $cat->id()) ?>"><?= _i('configure') ?></a>
			<?= $cat->name() ?>
		</div>
		<ul class="box-content" data-cat-id="<?= $cat->id() ?>">
			<?php if (!empty($feeds)) { ?>
			<?php
					foreach ($feeds as $feed) {
						if ($this->onlyFeedsWithError && !$feed->inError()) {
							continue;
						}
						$error = $feed->inError() ? ' error' : '';
						$empty = $feed->nbEntries() == 0 ? ' empty' : '';
			?>
			<li class="item feed<?= $error, $empty, $feed->mute() ? ' mute': '' ?>"
			    draggable="true"
			    data-feed-id="<?= $feed->id() ?>"
			    dropzone="move">
				<a class="configure open-slider" href="<?= _url('subscription', 'feed', 'id', $feed->id()) ?>"><?= _i('configure') ?></a>
				<?php if (FreshRSS_Context::$user_conf->show_favicons): ?><img class="favicon" src="<?= $feed->favicon() ?>" alt="✇" loading="lazy" /><?php endif; ?>
				<?= $feed->name() ?>
			</li>
			<?php 	}
				} else {
			?>
			<li class="item disabled" dropzone="move"><?= _t('sub.category.empty') ?></li>
			<?php } ?>
		</ul>
	</div>
	<?php } ?>

	<ul>
		<?php if ($this->onlyFeedsWithError): ?>
		<li><a href="<?= _url('subscription', 'index') ?>"><?= _t('sub.feed.show.all') ?></a></li>
		<?php else: ?>
		<li><a href="<?= _url('subscription', 'index', 'error', 1) ?>"><?= _t('sub.feed.show.error') ?></a></li>
		<?php endif; ?>
	</ul>
</div>

<?php $class = $this->displaySlider ? ' class="active"' : ''; ?>
<a href="#" id="close-slider"<?= $class ?>>
	<?= _i('close') ?>
</a>
<div id="slider"<?= $class ?>>
<?php
	if (isset($this->feed)) {
		$this->renderHelper('feed/update');
	} elseif (isset($this->category)) {
		$this->renderHelper('category/update');
	}
?>
</div>