Add support for hiding text until it is hovered over

Use <s>text here</s> or <spoiler>text here</spoiler>

css/global.css

@@ -82,6 +82,17 @@ hr {
 	border-bottom-color: rgba(0, 0, 0, .5);
 }
 
+.spoiler {
+	text-decoration: none;
+	color: transparent;
+	text-shadow: 0 0 10px #000000;
+}
+
+.spoiler:hover {
+	color: inherit;
+	text-shadow: none;
+}
+
 .userdelete {
 	float: right;
 	text-align: center;

imgboard.php

@@ -333,6 +333,13 @@ if (!isset($_GET['delete']) && !isset($_GET['manage']) && (isset($_POST['name'])
 				$post['message'] = preg_replace('/([^\s]{' . TINYIB_WORDBREAK . '})(?=[^\s])/', '$1' . TINYIB_WORDBREAK_IDENTIFIER, $post['message']);
 			}
 			$post['message'] = str_replace("\n", '<br>', makeLinksClickable(colorQuote(postLink(cleanString(rtrim($post['message']))))));
+
+			if (TINYIB_SPOILERTEXT) {
+				$post['message'] = preg_replace('/&lt;s&gt;(.*?)&lt;\/s&gt;/i', '<span class="spoiler">$1</span>', $post['message']);
+				$post['message'] = preg_replace('/&lt;spoiler&gt;(.*?)&lt;\/spoiler&gt;/i', '<span class="spoiler">$1</span>', $post['message']);
+				$post['message'] = preg_replace('/&lt;spoilers&gt;(.*?)&lt;\/spoilers&gt;/i', '<span class="spoiler">$1</span>', $post['message']);
+			}
+
 			if (TINYIB_WORDBREAK > 0) {
 				$post['message'] = finishWordBreak($post['message']);
 			}

inc/defines.php

@@ -79,6 +79,12 @@ if (!defined('TINYIB_AUTOHIDE')) {
 if (!defined('TINYIB_REQMOD')) {
 	define('TINYIB_REQMOD', '');
 }
+if (!defined('TINYIB_SPOILERTEXT')) {
+	define('TINYIB_SPOILERTEXT', false);
+}
+if (!defined('TINYIB_SPOILERIMAGE')) {
+	define('TINYIB_SPOILERIMAGE', false);
+}
 if (!defined('TINYIB_AUTOREFRESH')) {
 	define('TINYIB_AUTOREFRESH', 30);
 }

settings.default.php

@@ -30,6 +30,8 @@ define('TINYIB_MANAGECAPTCHA', '');   // Improve security by requiring users to
 define('TINYIB_REPORT', false);       // Allow users to report posts
 define('TINYIB_AUTOHIDE', 0);         // Amount of reports which will cause a post to be hidden until it is approved  [0 to disable]
 define('TINYIB_REQMOD', '');          // Require moderation before displaying posts: files / all  ['' to disable]
+define('TINYIB_SPOILERTEXT', false);  // Allow users to hide text until it is hovered over using the tags <s>text here</s> or <spoiler>text here</spoiler>
+define('TINYIB_SPOILERIMAGE', false); // Allow users to blur thumbnails via a "Spoiler" checkbox
 define('TINYIB_AUTOREFRESH', 30);     // Delay (in seconds) between attempts to refresh a thread automatically  [0 to disable]
 define('TINYIB_CLOUDFLARE', false);   // Only enable when the site is served via Cloudflare to identify IP addresses correctly
 define('TINYIB_DISALLOWTHREADS', ''); // When set, users attempting to post a new thread are shown this message instead  ['' to disable]