N°5122 - Update libs to new PHP requirements

lib/symfony/string/AbstractUnicodeString.php

@@ -498,8 +498,11 @@ abstract class AbstractUnicodeString extends AbstractString
                 )|[\p{Cc}\x7F]++)/xu', '', $s);
             }
 
-            // Non printable characters have been dropped, so wcswidth cannot logically return -1.
-            $width += $this->wcswidth($s);
+            $lineWidth = $this->wcswidth($s);
+
+            if ($lineWidth > $width) {
+                $width = $lineWidth;
+            }
         }
 
         return $width;