--- ccs7up.php	2023-07-12 10:29:07.991173759 +0200
+++ ccs7up_cds.php	2023-07-12 11:33:10.122392061 +0200
@@ -150,6 +150,13 @@
 
   while (preg_match( $pattern, $str, $matches, PREG_OFFSET_CAPTURE, $offset) && $offset < $str_len ) {
 
+  	preg_match( '/(#\[AllowDynamicProperties\])/', $str, $m, PREG_OFFSET_CAPTURE, (int)$matches[0][1]-strlen('#[AllowDynamicProperties]')-2)  ;
+	if( isset($m[0]) ) {
+		$AllowDynamicProperties='';
+	} else {
+		$AllowDynamicProperties="#[AllowDynamicProperties]\r\n";
+		$changesCounter++;
+	}
     //Classes found in the file! Set the flag.
     $classFound = true;
     
@@ -225,7 +232,7 @@
 
     //Move our pointer to the next occurence (or end of file).
     $offset = $next_offset;
-    $str_result .= $string_to_process;
+    $str_result .= "$AllowDynamicProperties$string_to_process";
 
   } //end of while 'class' found