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    <p>session and include functions are given:</p> <pre><code> session_start(); include("config.php"); if(isset($_POST['T_UserName']) &amp;&amp; isset($_POST['T_Password']) &amp;&amp; !empty($_POST['T_UserName']) &amp;&amp; !empty($_POST['T_Password'])) { </code></pre> <p>username and password sent from form:</p> <pre><code> $T_UserName=$_POST['T_UserName']; $T_Password=$_POST['T_Password']; </code></pre> <p>To protect MySQL injection:</p> <pre><code> $T_UserName = stripslashes($T_UserName); $T_Password = stripslashes($T_Password); $T_UserName= mysql_real_escape_string($T_UserName); $T_Password = mysql_real_escape_string($T_Password); $sql="SELECT * FROM login WHERE username='$T_UserName' and password='$T_Password'"; $result=mysql_query($sql); </code></pre> <p>Mysql_num_row is counting table row:</p> <pre><code> $count=mysql_num_rows($result); </code></pre> <p>If result matched $T_UserName and $T_Password, table row must be 1 row :</p> <pre><code> if($count==1) { </code></pre> <p>Register $T_UserName, $T_Password and redirect to file "correspindex.php" : </p> <pre><code> session_register("T_UserName"); session_register("T_Password"); </code></pre> <p>redirect to error page or display error message then :</p> <pre><code> if(isset($_POST['emp_role']) { $userinfo = mysql_fetch_assoc($sql); $emp_role = $userinfo['emp_role']; if($emp_role == 1) { header("location:corrrespondindex.php"); } elseif($emp_role == 2 ) { header("location:principalindex.php"); } elseif($emp_role == 3) { header("location:staffindex.php"); } closes out if the user DOES exist: header("location:loginhome.php"); } else { echo "Wrong Username or Password"; } } } php is closed this is the php code im getting so many error i create 1table with id,username,password and role(ENUM,values as'1','2','3' – any else shud i do in the code??? </code></pre>
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    1. POJoining tables in MySql with one common field but different values for the common field
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    1. COsee i just added the full coding.........is this correct..r anything else shud be done
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    2. COanyone there..............
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