title: Wordpress Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /wp-includes/wp-db.php:1570
body: <p>I am in big trouble. I installed a nulled version of woocommerce cart based shipping plugin and i found it not relevant according to my requiremnet and deleted that plugin from plugins area. After deleting that plugin my site went down. Its continuously showing me Fatal error:</p>
  
  <pre><code>Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/dev/public_html/new/wp-includes/wp-db.php:1570
  Stack trace:
  #0 /home/dev/public_html/new/wp-includes/wp-db.php(658): wpdb-&gt;db_connect()
  #1 /home/dev/public_html/new/wp-includes/load.php(404): wpdb-&gt;__construct('dev_test', 'password', 'dev_test_ne...', 'localhost')
  #2 /home/dev/public_html/new/wp-settings.php(107): require_wp_db()
  #3 /home/dev/public_html/new/wp-config.php(82): require_once('/home/dev/p...')
  #4 /home/dev/public_html/new/wp-load.php(37): require_once('/home/dev/p...')
  #5 /home/dev/public_html/new/wp-blog-header.php(13): require_once('/home/dev/p...')
  #6 /home/dev/public_html/new/index.php(17): require('/home/dev/p...')
  #7 {main} thrown in /home/dev/public_html/new/wp-includes/wp-db.php on line 1570
  </code></pre>
  
  <p>I tried replacing all core files excluding wp-config.php and wp-content folder. Still I am getting the same error.</p>
  
  <p>Also, i tried renameing plugins folder but the error is there.</p>
  
  <p>Can you guys suggest me how i can get my site back.</p>