From 98488c2c17123e76873f5eb6e76ec6054fdfd57e Mon Sep 17 00:00:00 2001
From: n <n@tourmentine.com>
Date: Sun, 28 Jan 2024 17:23:23 +0100
Subject: [PATCH] do not apply regex replacements if there is no @ character

---
 clickat.php | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/clickat.php b/clickat.php
index 307bd75..92838e4 100644
--- a/clickat.php
+++ b/clickat.php
@@ -16,11 +16,10 @@ function hook_clickat_render_linklist($data)
         '/\ @([\w\d]+)@([\w\d_\-\.]+)/' => ' <a href="https://\2/@\1">&commat;\1</a>',
         '/\ @([\w\d]+)/'                => ' <a href="https://twitter.com/\1">&commat;\1</a>'
     ); 
-    foreach ($data['links'] as &$value) {
-        foreach($patterns as $nic => $link) {
-            $value['description'] = preg_replace($nic, $link, $value['description']);
-        }
-    }
+    foreach ($data['links'] as &$value)
+        if (strpos($value['description'],' @') !== false)
+            foreach($patterns as $nic => $link)
+                $value['description'] = preg_replace($nic, $link, $value['description']);
     return $data;
 }