我需要检查这些值是否相同。如果$_POST['password']
= PASS
而不是pass
它将返回0行。检查密码值是否相同
此脚本应该回显1或0.它的工作正常,但我想使它更安全。
$_POST['username'] = 'admin';
$_POST['password'] = 'pass';
mysql_connect('localhost', '', '');
mysql_select_db('database');
echo $num = mysql_num_rows(mysql_query("SELECT username,password FROM users WHERE username = '". mysql_real_escape_string($_POST['username']) . "' AND password = '". mysql_real_escape_string($_POST['password']) . "'"));