Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/sigmache/domains/sigma-chemical.ir/public_html/config/connection.php:6
Stack trace:
#0 /home/sigmache/domains/sigma-chemical.ir/public_html/materials.php(1): require_once()
#1 {main}
  thrown in /home/sigmache/domains/sigma-chemical.ir/public_html/config/connection.php on line 6