<?php

function test($user) {
    $user="s10int_09162";
    $password="mp8nb8";
    $database="s10int_09162";

    mysql_connect(localhost,$user, $password);
    @mysql_select_db($database) or die("Unable to select database");
    $query = "SELECT * FROM user WHERE username='username_input'";
    $result = mysql_query($query);

    echo $result;

    mysql_close();

}

    echo    "<form method=\"post\" action=".$_SERVER["PHP_SELF"].">\n";
    echo    "<label>Username:</label><input name=\"username_input\" type=\"text\"/>\n";
    echo    "<input type=\"submit\" name=\"submitbutton\" value=\"send\">\n";
    echo    "</form>\n";
    if (isset($_POST["submitbutton"]))
    {
        (test($_POST["username_input"]));
    }


?>