Improve skip section

Author: kamil-tekiela

ext/mysqli/tests/gh15432.phpt

@@ -9,14 +9,8 @@ if (!$link = @my_mysqli_connect($host, $user, $passwd, $db, $port, $socket)) {
     die(sprintf("skip Can't connect to MySQL Server - [%d] %s", mysqli_connect_errno(), mysqli_connect_error()));
 }
 
-if ($link->server_version < 90000) {
-    die("skip MySQL 9.0.0+ needed. Found [".
-        intval(substr($link->server_version."", -5, 1)).
-        ".".
-        intval(substr($link->server_version."", -4, 2)).
-        ".".
-        intval(substr($link->server_version."", -2, 2)).
-        "]");
+if ($link->server_version < 90000 || $link->server_version >= 10_00_00) {
+    die("skip MySQL 9.0.0+ needed");
 }
 ?>
 --FILE--