pub / yt2rss

commit 3ececa373dd8ebdbb582f7f42cd6e0ce7203c996
parent 662aa3c36a67d9e80df387840bd384c71f677e9c
Author: JayVii <jayvii[AT]posteo[DOT]de>
Date:   Sat,  7 Dec 2024 11:59:02 +0100

feat: strip unnecessary parameters from profile image URL

Diffstat:
M
index.php
 | 
42
+++++++++++++++++++++++++-----------------

1 file changed, 25 insertions(+), 17 deletions(-)
diff --git a/index.php b/index.php
@@ -21,28 +21,36 @@ function ytdl_status($video_id) {
 }
 
 function get_yt_profilepic($channel_id) {
+    // set fallback to NULL
     $profile_pic_link = null;
-    if (empty($profile_pic_link)) {
-        $html = explode(
-            PHP_EOL,
-            file_get_contents("https://www.youtube.com/channel/" . $channel_id)
+    // fetch HTML for given channel ID
+    $html = explode(
+        PHP_EOL,
+        file_get_contents("https://www.youtube.com/channel/" . $channel_id)
+    );
+    // If HTML could be fetched, extract lines with probable profile picture
+    if (!empty($html)) {
+        $profile_pic_lines = preg_grep(
+            '/yt3\.googleusercontent\.com\//',
+            $html
         );
-        if (!empty($html)) {
-            $profile_pic_lines = preg_grep(
-                '/yt3\.googleusercontent\.com\//',
-                $html
-            );
-            $profile_pic_links = preg_replace(
-                '/^.*\"(https:\/\/yt3\.googleusercontent\.com\/[^\"]+).*$/',
-                '${1}',
-                $profile_pic_lines
+        $profile_pic_links = preg_replace(
+            '/^.*\"(https:\/\/yt3\.googleusercontent\.com\/[^\"]+).*$/',
+            '${1}',
+            $profile_pic_lines
+        );
+        // If probably pictures were found, get the first one and strip
+        // unnecessary parameters from the link
+        if (count($profile_pic_links) > 0) {
+            $key = array_keys($profile_pic_links)[0];
+            $profile_pic_link = preg_replace(
+                '/=.*$/',
+                ''
+                $profile_pic_links[$key]
             );
-            if (count($profile_pic_links) > 0) {
-                $key = array_keys($profile_pic_links)[0];
-                $profile_pic_link = $profile_pic_links[$key];
-            }
         }
     }
+    // return the profile picture that was found (or null otherwise)
     return $profile_pic_link;
 }