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username validation in php

Discussion in 'PHP' started by pinku, Apr 3, 2008.

  1. pinku

    pinku New Member


    lI am new to php coding. I'd need some help...im setting up a username/password system and need to be able to check whether a new username is unique. I have tired....can u help me?
  2. U can do this by just a select query here is the solution

    $query = "SELECT * FROM UserTable WHERE username=".$_Post['username'];
    $Con = mysql_query($query, $connection) or die(mysql_error());
    $row = mysql_fetch_assoc($Con);
    $totalRows = mysql_num_rows($Con);

    echo 'Username exist';
    echo 'Unique Username';

    hope this code can help

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