--- configure.orig
+++ configure
@@ -13392,9 +13392,9 @@
 printf %s "checking for PHP header files... " >&6; }
             case $PHP in
         *7.*)
-          PHPCONFIG=`echo "$PHP"|sed 's/7\...*$/-config&/'` ;;
+          PHPCONFIG=`echo "$PHP"|sed 's/\(7.*\)$/-config\1/'` ;;
         *8.*)
-          PHPCONFIG=`echo "$PHP"|sed 's/8\...*$/-config&/'` ;;
+          PHPCONFIG=`echo "$PHP"|sed 's/\(8.*\)$/-config\1/'` ;;
         *)
           PHPCONFIG=$PHP-config ;;
       esac