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  Classes of Carlo Pietrobattista  >  PHP Forms Generator and Validation  >  examples/ptcform-ex1.php  >  Download  
File: examples/ptcform-ex1.php
Role: Example script
Content type: text/plain
Description: html form generator login form example file
Class: PHP Forms Generator and Validation
Generate and validate HTML forms dynamically
Author: By
Last change:
Date: 8 months ago
Size: 6,652 bytes
 

Contents

Class file image Download
<?php

        
/* 
        * LOGIN-FORM EXAMPLE FOR PTCFORMS.PHP CLASS
        * REMOVE COMMENT FROM LINE 43 FOR UI-PLUGINS
        */

        ### PARAMATERS FOR THE EXAMPLE ###############
        
$redirect_page="http://www.google.com/";         // the landing page if login was successfull
        
$user="test";                                                        // login username
        
$pass=md5("test1");                                        // login password
        #########################################
        
        
@session_start();
        
        
/*  CHECK IF COOKIE IS SET FOR THE REMEMBER ME OPTION */
        
if(@$_COOKIE['cookname'] && @$_COOKIE['cookpass'])
        {
                
$_POST['lg_username']=$_COOKIE['cookname'];
                
$_POST['lg_password']=$_COOKIE['cookpass'];
                if(
$valid_login=check_login()){ $_SESSION['loggedIn']=true; }
        }
        if(@
$_SESSION['loggedIn']){ header('Location: '.$redirect_page); exit(); }

        
$_SESSION['loggedIn']=false;
                
        
/* INITIALIZE THE CLASS WITH SOME OPTIONS */
        
$options=array
        (
                
'add_class_validator'        =>        true,        // adding js validation
                
'keep_values'                        =>        false,        // remove posted values from the inputs
                
'labels_align'                        =>        'right',        // align labels right
                
'form_width'                        =>        '415px',        // form width in pixels
                
'spacer_height'                =>        '10px;'        // spacer height between fields
        
);
        
        require_once(
'../PtcForm.php');
        
$form=new PtcForm($options);
        
        echo
'<!DOCTYPE html><html><head>';
        
        
/* (OPTIONAL) INCLUDE JS FOR JQUERY VALIDATOR AND STYLES */
        //require_once("ptcforms-ui-plugins.php");
        
        /* MINIMAL CSS FOR THE EXAMPLE */
        
echo'<style>
                        body{font:normal .85em "trebuchet ms",arial,sans-serif;color:#555;}
                        #loginForm input[type=text], input[type=password]{width:237px;}
                        .errMsg{color:red;}
                </style>'
;
        
        
/* ADDING A TEXT FIELD */
        
$form->addElement(array
        (
                
'name'        =>        'lg_username',
                
'label'        =>        'Username:',
                
'validate'        =>        'required'
        
));
        
        
/* ADDING A PASSWORD FIELD */
        
$form->addElement(array
        (
                
'type'        =>        'password',
                
'name'        =>        'lg_password',
                
'label'        =>        'Password:',
                
'validate'        =>        array('required','check_login')
        ));
        
        
/* ADDING A CHECKBOX */
        
$checkbox=array
        (
                
'type'        =>        'checkbox',
                
'name'        =>        'lg_keep_login',
                
'label'        =>        'Remember me',
                
'parentEl'        =>        array('style'=>'text-align:right;')
        );
        
/* ADDING CHECKED AS ATTRIBUTE IF FORM WAS SENT */
        
if(isset($_POST['lg_keep_login'])){ $checkbox['attributes']=array('checked'=>true); }
        
$form->addElement($checkbox);

        
/* ADDING A SUBMIT BUTTON */
        
$form->addElement(array
        (
                
'type'                =>        'submit',
                
'name'                =>        'lg_login',
                
'value'                =>        'Login',
                
'parentEl'                =>        array('style'=>'text-align:right;margin-right:5px;'),
                
'attributes'        =>        array('style'=>false// remove default style for this field only
        
));
        
        
/* COMPOSITE FOR CUSTOM LAYOUTS */
        
$form->addElement(array
        (
                
'type'                =>        'composite',
                
'name'                =>        'lg_login_box',
                
'values'                =>        array('lg_keep_login','lg_login'),                 // add previously created fields
                
'attributes'        =>        array('style'=>'width:265px;float:right;')         // add some style attributes
        
));
                
        
$err_msg='';
        if(@
$_POST['lg_login'])
        {
                
/* VALIDATE THE FORM SERVER SIDE */
                
$validate=$form->validate();        
                if(!
$validate['isValid'])                        // returns a bool(true/false)
                
{
                        
$err_msg='<div class="errMsg" style="text-align:center;width:'.$options['form_width'].'">
                                                                                                                Wrong user ID or password!</div><br>'
;
                }
                else
                {
                        
$_SESSION['loggedIn']=true;
                        if(@
$_POST['lg_keep_login'])        // working with the remember me option
                        
{
                                
setcookie("cookname",$user,time()+60*60*24*100"/");
                                
setcookie("cookpass",$pass,time()+60*60*24*100"/");
                        }
                        
header('Location: '.$redirect_page); exit();
                }
        }
        echo 
'</head><body>';
        echo 
'<div style="text-align:center;width:'.$options['form_width'].'"><h1>Login Form</h1></div>';
        echo 
$err_msg;
        
        
/* FINALLY RENDER THE FORM */
        
$form->render(array('id'=>'loginForm'));        
        
        echo
'</body></html>';
        
        
/* CHECK IF USER CAN LOGIN, A CUSTOM FUNCTION ADDED TO THE SERVER SIDE VALIDATOR */
        
function check_login()
        {
                
### THE FOLLOWING LINES COULD BE REPLACED WITH A SQL QUERY ############
                
global $user,$pass;                
                return (
$_POST['lg_username']!=$user || @md5($_POST['lg_password'])!=$pass) ? false true;
                
###########################################################
        
}
        
        
/* USE THIS FUNCTION IN THE HEADER OF THE PAGES IN THE PROTECTED AREA 
        *  TO CHECK IF USER HAS ACCESS
        */
        /*function check_user()
        {
                if(!@$_SESSION['loggedIn'])
                { 
                        header('Location: login.php');                 // replace login.php with the full path to the login page
                        exit(); 
                }
        }*/