PHP database query and password matching functions

This article mainly introduces the functions of PHP database query and password matching. Interested friends can refer to it. I hope it will be helpful to everyone.

The example of this article describes the simple test login class implemented by PHP, as follows:

name=$username; $this->pwd=$password; } function checkinput() { global $db; $sql="select * from tb_manager where name='$this->name' and pwd='$this->pwd'"; $res=$db->query($sql); $info=$db->fetch_array($res); if($info['name']==$this->name and $info['pwd']==$this->pwd) { $_SESSION[admin_name]=$info[name]; $_SESSION[pwd]=$info[pwd]; echo ""; } else { echo ""; exit; } } } ?>

Summary: The above is the entire content of this article, I hope it can be helpful to everyone's learning help.

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