Warning: mysqli_query() expects parameter 1 to be mysqli, bool given in F:\OpenServer\domains\vveb.ws\func\maincore\db_maincore_php7.php on line 62

Warning: mysqli_errno() expects parameter 1 to be mysqli, bool given in F:\OpenServer\domains\vveb.ws\func\maincore\db_maincore_php7.php on line 71

Warning: mysqli_error() expects parameter 1 to be mysqli, bool given in F:\OpenServer\domains\vveb.ws\func\maincore\db_maincore_php7.php on line 71
Unable to establish connection to MySQL
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