restart the whole stuff at localhost

thankyou once more for your previous support, I need a little more

So:
- I downloaded the whole site on my disk

• I downloaded and started XAMPP portable (windows 32 bit, php 5.6)
• I started those three BAT files as per readme.txt
• I started the browser at localhost
• XAMPP is running fine :) Then:
• I put the original website in place of the xampp demo
• I run phpmyadmin and created the empty database, named as per login parameters I found hard-coded in the script: mysql_select_db("db11016416- company");
• I went to Import and selected the last automatic backup: it worked fine, executing 400+ queries to rebuild all the tables
• I created an admin user as per name/password I found once more hard-coded in the script: mysql_connect("localhost", "db11016416-admin", "mysql_password") OR die(mysql_error()); assigning it to Host name %
• finally I restarted the browser, running index.php

Here I got the usual login/password form, even if with a warning:

Notice: Undefined index: verification in C:\xampp\htdocs\index.php on line 8

I typed username and password and clicked the button, getting another warning and an error:

Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in C:\xampp\htdocs\include\function.php on line 9

Warning: mysql_connect(): Access denied for user 'db11016416- admin'_at_'localhost' (using password: YES) in C:\xampp\htdocs\include\function.php on line 9 Access denied for user 'db11016416-admin'_at_'localhost' (using password: YES)

So I went back to the users and changed % into localhost

Trying again the warning disappeared but I got a different error:

Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /is/htdocs/wp11016416_AGPG3LGMKP/www/include/function.php:9 Stack trace: #0 /is/htdocs/wp11016416_AGPG3LGMKP/www/admin_start.php(7): connect_mysql() #1 {main} thrown in /is/htdocs/wp11016416_AGPG3LGMKP/www/include/function.php on line 9

[Quoted] [Quoted] so we are back where we belong: Error: Call to undefined function mysql_connect()

:(

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