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File: login_example.php

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  Classes of Arturs Sosins  >  Auto form  >  login_example.php  >  Download  
File: login_example.php
Role: Example script
Content type: text/plain
Description: Example of select form - member login
Class: Auto form
Generate HTML forms to manipulate MySQL records
Author: By
Last change: credits changed
Date: 3 years ago
Size: 3,157 bytes
 

Contents

Class file image Download
<?php
/*************************************************************
 * This script is developed by Arturs Sosins aka ar2rsawseen, http://webcodingeasy.com
 * Fee free to distribute and modify code, but keep reference to its creator
 *
 * Auto form class can generate simple update, insert, select and delete
 * HTML forms, form validation and form processing programmatically
 * based on information from mysql table
 *
 * For more information, examples and online documentation visit:
 * http://webcodingeasy.com/PHP-classes/Generate-forms-programmatically
**************************************************************/
ob_start();
session_start();

include(
"./connection.php");
include(
"./auto_form.php");

//emulating catcha code
$captcha = "45GHK";
//custom validation - captcha
function valid_captcha($arr)
{
    global
$captcha;
    if(
strtoupper($arr["captcha"]) == $captcha)
    {
        return
true;
    }
    else
    {
        return
false;
    }
}
//on success callback, validate login
//select form returns mysql result resource
function login($result)
{
    if(
mysql_num_rows($result) > 0)
    {
       
$_SESSION["user"] = true;
        echo
"<p>You are now logged in</p>";
        return
true;
    }
    else
    {
        echo
"<p>Incorrect username or password</p>";
        return
false;
    }
}
//modifying values - hashing password
function hash_pass($arr)
{
   
$arr["password"] = md5($arr["password"]);
    return
$arr;
}
//checking if user logged in
if(!isset($_SESSION["user"]))
{
    echo
"<p>Not logged in</p>";
}
else
{
    echo
"<p>Logged in</p>";
}
//class instance
$form = new auto_form($serverlink);

//debug queries
$form->debug();

//setting callback functions
$form->add_custom_validation("valid_captcha", "Incorrect captcha entered");
$form->set_onsuccess("login");
$form->set_modification("hash_pass");

//excluding table columns
$ex = array("ID", "firstname", "lastname", "email", "password", "gender");
//providing form language
$lang = array("username" => "Username", "password" => "Password", "captcha" => "Enter captcha", "code" => "Captcha code");
$form->set_language($lang);

/*************************
 * Generating form
 *************************/

echo "<fieldset>";
echo
"<legend>Login</legend>";

//adding custom password field
$html = "<input type='password' name='password'";
if(isset(
$_POST["password"]))
{
   
$html .= " value='".$_POST["password"]."'";
}
$html .= "/>";

$form->add_custom_html($html, "password", true);

//adding class predefined validation fo password
$form->add_class_validation("password", "char", true);

//displaying captcha code
$form->add_custom_html($captcha, "code", false);

$html = "<input type='text' name='captcha' style='text-transform: uppercase;' maxlength='5'";
if(isset(
$_POST["captcha"]))
{
   
$html .= " value='".$_POST["captcha"]."'";
}
$html .= "/>";
//adding custom captcha input
$form->add_custom_html($html, "captcha", false);

//adding class predefined validation for captcha
$form->add_class_validation("captcha", "char", true, 5);

//generating form
$form->select_form("test_users", $ex);
echo
"</fieldset>";


ob_end_flush();
?>