first commit

plugins/fields/imagelist/tmpl/imagelist.php

@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Fields.Imagelist
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Image\Image;
+
+if ($field->value == '') {
+    return;
+}
+
+$class = $fieldParams->get('image_class');
+
+if ($class) {
+    // space before, so if no class sprintf below works
+    $class = ' class="' . htmlentities($class, ENT_COMPAT, 'UTF-8', true) . '"';
+}
+
+$value  = (array) $field->value;
+$buffer = '';
+
+foreach ($value as $path) {
+    if (!$path || $path == '-1') {
+        continue;
+    }
+
+    $imageFilePath = htmlentities($path, ENT_COMPAT, 'UTF-8', true);
+
+    if ($fieldParams->get('directory', '/') !== '/') {
+        $imageInfo = Image::getImageFileProperties(JPATH_ROOT . '/images/' . $fieldParams->get('directory') . '/' . $imageFilePath);
+
+        $buffer .= sprintf(
+            '<img loading="lazy" width="%s" height="%s" src="images/%s/%s"%s alt="">',
+            $imageInfo->width,
+            $imageInfo->height,
+            $fieldParams->get('directory'),
+            $imageFilePath,
+            $class
+        );
+    } else {
+        $imageInfo = Image::getImageFileProperties(JPATH_ROOT . '/images/' . $imageFilePath);
+
+        $buffer .= sprintf(
+            '<img loading="lazy" width="%s" height="%s" src="images/%s"%s>',
+            $imageInfo->width,
+            $imageInfo->height,
+            $imageFilePath,
+            $class
+        );
+    }
+}
+
+echo $buffer;