sync, implemented sort, viewing user pages & articles written, updating db

functions/functions.php

@@ -128,6 +128,17 @@ function read_file($file_path)
     return $fs;
 }
 
+function extract_content_from_tag($string, $start, $end)
+{
+    $ini = strpos($string, $start);
+    if ($ini != 0)
+        return "nope";
+
+    $ini += strlen($start);
+    $len = strpos($string, $end, $ini) - $ini;
+    return substr($string, $ini, $len);
+}
+
 function check_image_upload($target, $filetype, $image)
 {
     return true;