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includes/class-forum-bbcode.php

@@ -123,12 +123,23 @@ class WBF_BBCode {
             $s
         );
 
-        // [size=small|large|xlarge]
+        // [size=small|large|xlarge] oder [size=1–7] (klassisches BBCode)
         $s = preg_replace_callback(
-            '/\[size=(small|large|xlarge)\](.*?)\[\/size\]/is',
+            '/\[size=([a-zA-Z0-9]+)\](.*?)\[\/size\]/is',
             function ( $m ) {
-                $map = [ 'small' => '.8em', 'large' => '1.2em', 'xlarge' => '1.5em' ];
-                return '<span style="font-size:' . $map[$m[1]] . '">' . $m[2] . '</span>';
+                $val = strtolower( $m[1] );
+                // Benannte Größen
+                $named = [ 'small' => '.8em', 'large' => '1.2em', 'xlarge' => '1.5em' ];
+                if ( isset( $named[ $val ] ) ) {
+                    $size = $named[ $val ];
+                // Numerische Größen 1–7 (klassisches BBCode-Schema)
+                } elseif ( ctype_digit( $val ) && (int)$val >= 1 && (int)$val <= 7 ) {
+                    $num_map = [ 1 => '.7em', 2 => '.85em', 3 => '1em', 4 => '1.2em', 5 => '1.4em', 6 => '1.6em', 7 => '2em' ];
+                    $size = $num_map[ (int)$val ];
+                } else {
+                    return $m[2]; // Unbekannter Wert → nur Text
+                }
+                return '<span style="font-size:' . $size . '">' . $m[2] . '</span>';
             },
             $s
         );