新手,轻拍.大姐们帮小弟我看一上这段php代码有关问题出在哪

// Address error handling



ini_set('display_errors',1);

error_reporting(E_ALL & ~E_NOTICE);



// Attempt to Connect



if ($connection = @mysql_connect ('localhost', '***', '***')){

	print '
Successfully connected to MySQL.
';

	//mysql_close(); // close the connection

}

else {

	die('
Could not connect to MySQL because: ' .mysql_error() .

	'
');

}

if (@mysql_select_db("PREMIERE", $connection)){

	print '
The PREMIERE database has been selected.
';

}

else {

	die('
Cound not select the PREMIERE database because: ' .mysql_error().'
');

}



if(!$_REQUEST['submit'])

{

	generate_form();

}

else if($_REQUEST['submit'] == "Search")

{

	search_rep();

}

else if($_REQUEST['submit'] == "Add")

{

	add_rep();

}

else if($_REQUEST['submit'] == "Delete")

{

	delete_rep();

}

else if($_REQUEST['submit'] == "Update")

{

	update_rep();

}



function generate_form()