hide and show div file (logged in)

hide and show div file (logged in) - javascript

How I can hide this - "<div class="show1">" when user are not logged in and show only when user are logged in?
This is my code --->>>
<html><head>
<meta charset="utf-8">
<title>100% | Register</title>
<link rel="stylesheet" type="text/css" href="main/home.css"/>
<link rel="stylesheet" type="text/css" href="main/register.css"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script></head><body><div id="container">
<?php include 'header.php'; ?>
<br/><br/><div class="show1">TEXT</div><div class="show1">TEXT</div>
<div class="hidden1"><div class="right-login" id="container-login"><div id="palabi5px">
<form method="post" class="formpost" id="nonono">
<input type="text" class="username" name="username0" placeholder="Username" autocomplete="off">
<input type="password" class="password" name="password0" placeholder="********">
<button type="submit" name="login" class="loging">Login</button>
</form>
---------------------------------
<br/><br/>
Text!<br/><br/>
<br/>
---------------------------------
<br/><br/></div></div></div>
<?php include 'saites.php'; ?></body></html>
<?php
session_start();
require('connect.php');
$username0 = #$_POST['username0'];
$password0 = #$_POST['password0'];
if(isset($_POST['login'])){
if($username0 && $password0) {
$check = mysqli_query($connect," SELECT * FROM users WHERE username='".$username0."'");
$rows = mysqli_num_rows($check);
if(mysqli_num_rows($check) != 0){
while($row = mysqli_fetch_assoc($check)){
$db_username0 = $row['username'];
$db_password0 = $row['password'];
}
if($username0 == $db_username0 && ($password0) == $db_password0){
#$_SESSION["username"] = $username;
echo "<script type='text/javascript'>
$(document).ready(function(){
alert('page loaded'); // alert to confirm the page is loaded
$('.hidden1').hide(); //enter the class or id of the particular html element which you wish to hide.
$('.show1').show(); //SHOW
});
</script>";
}else{
echo "<script>{ alert('Your pass id wrong.');}</script>";
}
}else{
echo "<script>{ alert('Couldn't find username.');}</script>";
}
}else{
echo "<script>{ alert('Please fill in all the fields.');}</script>";
}
}
?>

<div class="show1">TEXT</div><div class="show1">TEXT</div>
Replace with following code
if(isset($_SESSION["username"])){
echo '<div class="show1">TEXT</div><div class="show1">TEXT</div>';
}

Related

CRUD application create working, but not update or delete

I tried getting the CRUD app to work from Tutorial Republic. I can create rows, but can’t read, update, or delete them.
I uploaded index, create, read, update, delete, config, and error.php. It loads index.php fine but when I try to update, read, or delete, all I get is a blank page. Please help. Here’s the code.
config.php
<?php
/* Database credentials. Assuming you are running MySQL
server with default setting (user 'root' with no password) */
define('DB_SERVER', 'localhost');
define('DB_USERNAME', 'user');
define('DB_PASSWORD', 'secret');
define('DB_NAME', 'demo');
/* Attempt to connect to MySQL database */
$link = mysqli_connect(DB_SERVER, DB_USERNAME, DB_PASSWORD, DB_NAME);
// Check connection
if($link === false){
die("ERROR: Could not connect. " . mysqli_connect_error());
}
?>
read.php
<?php
// Check existence of id parameter before processing further
if(isset($_GET["id"]) && !empty(trim($_GET["id"]))){
// Include config file
require_once "config.php";
// Prepare a select statement
$sql = "SELECT * FROM employees WHERE id = ?";
if($stmt = mysqli_prepare($link, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "i", $param_id);
// Set parameters
$param_id = trim($_GET["id"]);
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
$result = mysqli_stmt_get_result($stmt);
if(mysqli_num_rows($result) == 1){
/* Fetch result row as an associative array. Since the result set
contains only one row, we don't need to use while loop */
$row = mysqli_fetch_array($result, MYSQLI_ASSOC);
// Retrieve individual field value
$name = $row["name"];
$address = $row["address"];
$salary = $row["salary"];
} else{
// URL doesn't contain valid id parameter. Redirect to error page
header("location: error.php");
exit();
}
} else{
echo "Oops! Something went wrong. Please try again later.";
}
}
// Close statement
mysqli_stmt_close($stmt);
// Close connection
mysqli_close($link);
} else{
// URL doesn't contain id parameter. Redirect to error page
header("location: error.php");
exit();
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>View Record</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
.wrapper{
width: 600px;
margin: 0 auto;
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container-fluid">
<div class="row">
<div class="col-md-12">
<h1 class="mt-5 mb-3">View Record</h1>
<div class="form-group">
<label>Name</label>
<p><b><?php echo $row["name"]; ?></b></p>
</div>
<div class="form-group">
<label>Address</label>
<p><b><?php echo $row["address"]; ?></b></p>
</div>
<div class="form-group">
<label>Salary</label>
<p><b><?php echo $row["salary"]; ?></b></p>
</div>
<p>Back</p>
</div>
</div>
</div>
</div>
</body>
</html>
update.php
<?php
// Include config file
require_once "config.php";
// Define variables and initialize with empty values
$name = $address = $salary = "";
$name_err = $address_err = $salary_err = "";
// Processing form data when form is submitted
if(isset($_POST["id"]) && !empty($_POST["id"])){
// Get hidden input value
$id = $_POST["id"];
// Validate name
$input_name = trim($_POST["name"]);
if(empty($input_name)){
$name_err = "Please enter a name.";
} elseif(!filter_var($input_name, FILTER_VALIDATE_REGEXP, array("options"=>array("regexp"=>"/^[a-zA-Z\s]+$/")))){
$name_err = "Please enter a valid name.";
} else{
$name = $input_name;
}
// Validate address address
$input_address = trim($_POST["address"]);
if(empty($input_address)){
$address_err = "Please enter an address.";
} else{
$address = $input_address;
}
// Validate salary
$input_salary = trim($_POST["salary"]);
if(empty($input_salary)){
$salary_err = "Please enter the salary amount.";
} elseif(!ctype_digit($input_salary)){
$salary_err = "Please enter a positive integer value.";
} else{
$salary = $input_salary;
}
// Check input errors before inserting in database
if(empty($name_err) && empty($address_err) && empty($salary_err)){
// Prepare an update statement
$sql = "UPDATE employees SET name=?, address=?, salary=? WHERE id=?";
if($stmt = mysqli_prepare($link, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "sssi", $param_name, $param_address, $param_salary, $param_id);
// Set parameters
$param_name = $name;
$param_address = $address;
$param_salary = $salary;
$param_id = $id;
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
// Records updated successfully. Redirect to landing page
header("location: index.php");
exit();
} else{
echo "Oops! Something went wrong. Please try again later.";
}
}
// Close statement
mysqli_stmt_close($stmt);
}
// Close connection
mysqli_close($link);
} else{
// Check existence of id parameter before processing further
if(isset($_GET["id"]) && !empty(trim($_GET["id"]))){
// Get URL parameter
$id = trim($_GET["id"]);
// Prepare a select statement
$sql = "SELECT * FROM employees WHERE id = ?";
if($stmt = mysqli_prepare($link, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "i", $param_id);
// Set parameters
$param_id = $id;
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
$result = mysqli_stmt_get_result($stmt);
if(mysqli_num_rows($result) == 1){
/* Fetch result row as an associative array. Since the result set
contains only one row, we don't need to use while loop */
$row = mysqli_fetch_array($result, MYSQLI_ASSOC);
// Retrieve individual field value
$name = $row["name"];
$address = $row["address"];
$salary = $row["salary"];
} else{
// URL doesn't contain valid id. Redirect to error page
header("location: error.php");
exit();
}
} else{
echo "Oops! Something went wrong. Please try again later.";
}
}
// Close statement
mysqli_stmt_close($stmt);
// Close connection
mysqli_close($link);
} else{
// URL doesn't contain id parameter. Redirect to error page
header("location: error.php");
exit();
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Update Record</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
.wrapper{
width: 600px;
margin: 0 auto;
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container-fluid">
<div class="row">
<div class="col-md-12">
<h2 class="mt-5">Update Record</h2>
<p>Please edit the input values and submit to update the employee record.</p>
<form action="<?php echo htmlspecialchars(basename($_SERVER['REQUEST_URI'])); ?>" method="post">
<div class="form-group">
<label>Name</label>
<input type="text" name="name" class="form-control <?php echo (!empty($name_err)) ? 'is-invalid' : ''; ?>" value="<?php echo $name; ?>">
<span class="invalid-feedback"><?php echo $name_err;?></span>
</div>
<div class="form-group">
<label>Address</label>
<textarea name="address" class="form-control <?php echo (!empty($address_err)) ? 'is-invalid' : ''; ?>"><?php echo $address; ?></textarea>
<span class="invalid-feedback"><?php echo $address_err;?></span>
</div>
<div class="form-group">
<label>Salary</label>
<input type="text" name="salary" class="form-control <?php echo (!empty($salary_err)) ? 'is-invalid' : ''; ?>" value="<?php echo $salary; ?>">
<span class="invalid-feedback"><?php echo $salary_err;?></span>
</div>
<input type="hidden" name="id" value="<?php echo $id; ?>"/>
<input type="submit" class="btn btn-primary" value="Submit">
Cancel
</form>
</div>
</div>
</div>
</div>
</body>
</html>
delete.php
<?php
// Process delete operation after confirmation
if(isset($_POST["id"]) && !empty($_POST["id"])){
// Include config file
require_once "config.php";
// Prepare a delete statement
$sql = "DELETE FROM employees WHERE id = ?";
if($stmt = mysqli_prepare($link, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "i", $param_id);
// Set parameters
$param_id = trim($_POST["id"]);
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
// Records deleted successfully. Redirect to landing page
header("location: index.php");
exit();
} else{
echo "Oops! Something went wrong. Please try again later.";
}
}
// Close statement
mysqli_stmt_close($stmt);
// Close connection
mysqli_close($link);
} else{
// Check existence of id parameter
if(empty(trim($_GET["id"]))){
// URL doesn't contain id parameter. Redirect to error page
header("location: error.php");
exit();
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Delete Record</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
.wrapper{
width: 600px;
margin: 0 auto;
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container-fluid">
<div class="row">
<div class="col-md-12">
<h2 class="mt-5 mb-3">Delete Record</h2>
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<div class="alert alert-danger">
<input type="hidden" name="id" value="<?php echo trim($_GET["id"]); ?>"/>
<p>Are you sure you want to delete this employee record?</p>
<p>
<input type="submit" value="Yes" class="btn btn-danger">
No
</p>
</div>
</form>
</div>
</div>
</div>
</div>
</body>
</html>
error.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Error</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
.wrapper{
width: 600px;
margin: 0 auto;
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container-fluid">
<div class="row">
<div class="col-md-12">
<h2 class="mt-5 mb-3">Invalid Request</h2>
<div class="alert alert-danger">Sorry, you've made an invalid request. Please go back and try again.</div>
</div>
</div>
</div>
</div>
</body>
</html>

can't send messages and $username isn't displayed

I made a chat service in php. When you get to the chat, it says "Welcome, --Username--." My problem is I added a login field, now I can't send messages and the username isn't displayed. I've looked everywhere but it seems since my code is so "unique", nothing seems to be helping. --i didn't make this all on my own, I used someone else's code for the login and someone's code for the service itself.
login.php
<?php
session_start();
echo isset($_SESSION['login']);
if(isset($_SESSION['login'])) {
header('LOCATION:admin.php'); die();
}
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv='content-type' content='text/html;charset=utf-8' />
<title>Login</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h3 class="text-center">Login</h3>
<?php
if(isset($_POST['submit'])){
$username = $_POST['username']; $password = $_POST['password'];
if($username === 'admin' && $password === 'password'){
$_SESSION['login'] = true; header('LOCATION:admin.php'); die();
} {
echo "<div class='alert alert-danger'>Username and Password do not match.</div>";
}
if($username === 'admon' && $password === 'password'){
$_SESSION['login'] = true; header('LOCATION:admin.php'); die();
} {
echo "<div class='alert alert-danger'>Username and Password do not match.</div>";
}
}
?>
<form action="" method="post">
<div class="form-group">
<label for="username">Username:</label>
<input type="text" class="form-control" id="username" name="username" required>
</div>
<div class="form-group">
<label for="pwd">Password:</label>
<input type="password" class="form-control" id="pwd" name="password" required>
</div>
<button type="submit" name="submit" class="btn btn-default">Login</button>
</form>
</div>
</body>
</html>
admin.php
<?php
session_start();
if(!isset($_SESSION['login'])) {
header('LOCATION:login.php'); die();
}
if(isset($_GET['logout'])){
//Simple exit message
$logout_message = "<div class='msgln'><span class='left-info'>User <b class='user-name-left'>". $_SESSION['name'] ."</b> has left the chat session.</span><br></div>";
file_put_contents("log.html", $logout_message, FILE_APPEND | LOCK_EX);
session_destroy();
header("Location: login.php"); //Redirect the user
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>English Pricks</title>
<meta name="description" content="A Group Chat." />
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div id="wrapper">
<div id="menu">
<p class="welcome">Welcome, <b><?php echo $username['username']; ?></b>&period; Image Dump&period;&period;&period;</p>
<p>Emoji's → </p>
<button id="emoji-button" style="border: none;">😀</button>
<p class="logout"><a id="exit" href="#">Leave</a></p>
</div>
<div id="chatbox">
<?php
if(file_exists("log.html") && filesize("log.html") > 0){
$contents = file_get_contents("log.html");
echo $contents;
}
?>
</div>
<form name="message" action="">
<input name="usermsg" type="text" id="usermsg" style="outline: none;" spellcheck="true"/>
<input name="submitmsg" type="submit" id="submitmsg" value="↑" />
</form>
</div>
<script type="text/javascript" src="./jquery.min.js"></script>
<script src="emoji.js"></script>
<script type="text/javascript">
document.addEventListener('DOMContentLoaded', function () {
var picker = new EmojiButton();
var button = document.querySelector('#emoji-button');
button.addEventListener('click', function () {
picker.showPicker(button);
picker.on('emoji', emoji => {
document.querySelector('#usermsg').value += emoji;
});
});
});
</script>
<script type="text/javascript">
$(document).ready(function () {
$("#submitmsg").click(function(){
var clientmsg = $.trim($("#usermsg").val());
if(clientmsg.length >= 1){ // Prevents Spamming the Enter Key
$.post("post.php", {text: clientmsg});
$("#usermsg").val("");
}else{
}
return false;
});
function loadLog() {
var oldscrollHeight = $("#chatbox")[0].scrollHeight - 20; //Scroll height before the request
$.ajax({
url: "log.html",
cache: false,
success: function (html) {
$("#chatbox").html(html); //Insert chat log into the #chatbox div
//Auto-scroll
var newscrollHeight = $("#chatbox")[0].scrollHeight - 20; //Scroll height after the request
if(newscrollHeight > oldscrollHeight){
$("#chatbox").animate({ scrollTop: newscrollHeight }, 'normal'); //Autoscroll to bottom of div
}
}
});
}
setInterval (loadLog, 1000);
$("#exit").click(function () {
var exit = confirm("Are you sure you want to leave?");
if (exit == true) {
window.location = "index.php?logout=true";
}
});
});
</script>
</body>
</html>

In login.php file else was missing in if blocks and in order to see username you should add it to $_SESSION in the same way as you did with
$_SESSION['login'], cause i don't see anything else which can serve as temp storage in provided code. Another issue is that you placed header() function with login and password check right inside html code. This will trigger warning on a runtime that headers were already sent. In order to avoid that place your checking code in the top of the file and also check if there are no spaces before or after <?php php opening tag.
Example of fixed login.php file you can find below.
<?php
session_start();
function setSessionData($name, $value) {
$_SESSION[$name] = $value;
}
function redirectWithData($username = '') {
setSessionData('login', true);
setSessionData('username', $username);
header('Location:admin.php');
die();
}
if(isset($_SESSION['login'])) {
header('Location:admin.php'); die();
}
if(isset($_POST['submit'])) {
$username = $_POST['username']; $password = $_POST['password'];
if($username === 'admin' && $password === 'password'){
redirectWithData($username);
} elseif($username === 'admon' && $password === 'password'){
redirectWithData($username);
} else {
echo "<div class='alert alert-danger'>Username and Password do not match.</div>";
}
}
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv='content-type' content='text/html;charset=utf-8' />
<title>Login</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h3 class="text-center">Login</h3>
<form action="" method="post">
<div class="form-group">
<label for="username">Username:</label>
<input type="text" class="form-control" id="username" name="username" required>
</div>
<div class="form-group">
<label for="pwd">Password:</label>
<input type="password" class="form-control" id="pwd" name="password" required>
</div>
<button type="submit" name="submit" class="btn btn-default">Login</button>
</form>
</div>
</body>
</html>
On admin page you can then display username
Welcome, <b><?php echo $_SESSION['username']; ?>
Regarding admin.php functionality. Logic for adding messages according to JavaScript code located in post.php file.
$.post("post.php", {text: clientmsg});
So, why its adding or not adding it is hard to answer for obvious reasons )
And btw, in your logout logic in admin.php file change
window.location = "index.php?logout=true"; -> window.location = "?logout=true"; it will fallback to the same page on which you already have redirect logic.

PHP messages aren't being written to the log file - tutsplus.com tutorial

tutsplus, there you will find a tutorial which guides you through the steps on how to create a simple web chat. I tried to follow all that was said, yet I noticed a problem when testing. It seems that the usermsg is not being posted to the log.html file.
here is the index.php, which in this case is named chat.php:
<?php
function loginForm() {
echo '
<div id="loginform">
<form action="chat.php" method="post">
<p>Please enter your name to continue:</p>
<label for="name">Name:</label>
<input type="text" name="name" id="name">
<input type="submit" name="enter" id="enter" value="enter">
</form>
</div>
';
}
if(isset($_POST['enter'])) {
if($_POST['name'] != "") {
$_SESSION['name'] = stripslashes(htmlspecialchars($_POST['name']));
}else {
echo '<span class="error">Please type in a name</span>';
}
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Basic Chat Service</title>
<meta charset="utf-8">
<link rel="stylesheet" href="style.css" title="style" type="text/css" media="screen" charset="utf-8">
</head>
<body>
<?php
if(!isset($_SESSION['name'])) {
loginForm();
}else{
?>
<div id="wrapper">
<div id="menu">
<div class="welcome">Welcome, <?php echo $_SESSION["name"]; ?></div>
<div class="logout">Exit Chat</div>
<div style="clear:both;"></div>
</div>
<div id="chatbox"><?php
if(file_exists("log.html") && filesize("log.html") > 0) {
$handle = fopen("log.html", "r");
$contents = fread($handle, filesize("log.html"));
fclose($handle);
echo $contents;
}
?></div>
<form name="message" action="">
<input type="text" name="usermsg" id="usermsg" size="63">
<input type="submit" name="submitmsg" id="submitmsg" value="Send">
</form>
</div>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js" charset="utf-8"></script>
<script type="text/javascript">
//jQuery Document
$(document).ready(function() {
$("#exit").click(function() {
var exit = confirm("Are you sure you want to logout?");
if(exit == true) {
window.location = 'chat.php?logout=true';
}
});
$("#submitmsg").click(function() {
var clientmsg = $("#usermsg").val();
console.log(clientmsg);
$.post("post.php", {text: clientmsg});
$("#usermsg").attr("value", "");
return false;
});
function loadLog() {
var oldscrollHeight = $("#chatbox").attr("scrollHeight") - 20;
$.ajax({
url:"log.html",
cache: false,
success: function(html){
$("#chatbox").html(html);
var newscrollHeight = $("#chatbox").attr("scrollHeight") - 20;
if(newscrollHeight > oldscrollHeight) {
$("#chatbox").animate({scrollTop: newscrollHeight}, 'normal');
}
}
});
}
setInterval(loadLog, 2500);
});
</script>
<?php
}
if(isset($_GET['logout'])) {
$fp = fopen("log.html", 'a');
fwrite($fp, '<div class="msgln"><i>User '.$_SESSION['name'].' has left the chat session.</i><br></div>');
fclose($fp);
session_destroy();
header("Location: chat.php");
}
?>
</body>
</html>
Here is the post.php:
<?php
session_start();
if(isset($_SESSION['name'])) {
$text = $_POST['text'];
$fp = fopen("log.html", 'a');
fwrite($fp, "<div class='msgln'>(".date("g:i A").")<b>".$_SESSION['name']."</b>:".stripslashes(htmlspecialchars($text))."<br></div>");
fclose($fp);
}
?>
I am using MAMP, and the files are located in the htdocs folder, so that's not the problem.
Thanks in advance for any help you can give me, and let me know if you need more info.

You should call session_start() in index.php.
(from Marc B in the comments)

JQuery/PHP form not Submiting

I have a site I'm working on Modestewebstudio.com
On the contact section of the site I have a form that I'm trying to submit using jQuery and pHp. For some reason the form does not submit. The validation works fine but whenever I hit submit nothing happens.
$(document).ready(function () {
$(window).load(function() { $("#load").fadeOut("slow"); });
var fadeInElement = function(id) {
$('#' + id).fadeIn();
};
//HOME-------------------------------------------------
$(".home").click(function () {
$('#about, #works, #contact').filter(":visible").fadeOut();
fadeInElement('home');
});
//ABOUT------------------------------------------------
$(".about").click(function () {
$('#home, #works, #contact').filter(":visible").fadeOut();
fadeInElement('about');
});
//WORKS------------------------------------------------
$(".works").click(function () {
$('#home, #about, #contact').filter(":visible").fadeOut();
fadeInElement('works');
});
//CONTACT----------------------------------------------
$(".contact").click(function () {
$('#home, #about, #works').filter(":visible").fadeOut();
fadeInElement('contact');
});
<!--//--><![CDATA[//><!--
$('form#contact-us').submit(function() {
$('form#contact-us .error').remove();
var hasError = false;
$('.requiredField').each(function() {
if($.trim($(this).val()) == '') {
var labelText = $(this).prev('label').text();
$(this).parent().append('<span class="error">Your '+labelText+' is missing.</span>');
$(this).addClass('inputError');
hasError = true;
} else if($(this).hasClass('email')) {
var emailReg = /^([\w-\.]+#([\w-]+\.)+[\w-]{2,4})?$/;
if(!emailReg.test($.trim($(this).val()))) {
var labelText = $(this).prev('label').text();
$(this).parent().append('<span class="error">Your '+labelText+' is invalid.</span>');
$(this).addClass('inputError');
hasError = true;
}
}
});
if(!hasError) {
var formInput = $(this).serialize();
$.post($(this).attr('action'),formInput, function(data){
$('form#contact-us').slideUp("fast", function() {
$(this).before('<p>Your email has been delivered!</p>');
});
});
}
return false;
});
//-->!]]>
//-----------------------------------------------------
});
<?php
error_reporting(E_ALL ^ E_NOTICE); // hide all basic notices from PHP
//If the form is submitted
if(isset($_POST['submitted'])) {
// require a name from user
if(trim($_POST['contactName']) === '') {
$nameError = 'Forgot your name!';
$hasError = true;
} else {
$name = trim($_POST['contactName']);
}
// need valid email
if(trim($_POST['email']) === '') {
$emailError = 'Forgot to enter in your e-mail address.';
$hasError = true;
} else if (!preg_match("/^[[:alnum:]][a-z0-9_.-]*#[a-z0-9.-]+\.[a-z]{2,4}$/i", trim($_POST['email']))) {
$emailError = 'You entered an invalid email address.';
$hasError = true;
} else {
$email = trim($_POST['email']);
}
// we need at least some content
if(trim($_POST['comments']) === '') {
$commentError = 'You forgot to enter a message!';
$hasError = true;
} else {
if(function_exists('stripslashes')) {
$comments = stripslashes(trim($_POST['comments']));
} else {
$comments = trim($_POST['comments']);
}
}
// upon no failure errors let's email now!
if(!isset($hasError)) {
$emailTo = 'zenneson#gmail.com';
$subject = 'Submitted message from '.$name;
$sendCopy = trim($_POST['sendCopy']);
$body = "Name: $name \n\nEmail: $email \n\nComments: $comments";
$headers = 'From: ' .' <'.$emailTo.'>' . "\r\n" . 'Reply-To: ' . $email;
mail($emailTo, $subject, $body, $headers);
// set our boolean completion value to TRUE
$emailSent = true;
}
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Denneson Modeste</title>
<!--Fonts-->
<link href='http://fonts.googleapis.com/css?family=Lobster' rel='stylesheet' type='text/css'>
<link href='http://fonts.googleapis.com/css?family=Syncopate' rel='stylesheet' type='text/css'>
<link href='http://fonts.googleapis.com/css?family=Special+Elite' rel='stylesheet' type='text/css'>
<!--CSS-->
<link rel="stylesheet" type="text/css" href="style.css"/>
</head>
<body>
<div id="load">
<div class="load-logo pulse"></div>
<p>Loading</p>
</div>
<div class="tv"></div>
<div class="home tv-btn">HOME</div>
<div class="about tv-btn">ABOUT</div>
<div class="works tv-btn">WORKS</div>
<div class="blog tv-btn">BLOG</div>
<div class="contact tv-btn">CONTACT</div>
<div id="home" class="channel">
<iframe width="100%" height="100%" src="https://www.youtube.com/embed/JdRO97mFMx8?rel=0&controls=0&autoplay=1&showinfo=0&disablekb=1&disablekb=1&modestbranding=1&start=7&loop=1&playlist=JdRO97mFMx8&wmode=opaque" frameborder="0" allowfullscreen></iframe>
</div><!-- end of home -->
<div id="about" class="channel">
<iframe width="100%" height="100%" src="https://www.youtube.com/embed/JdRO97mFMx8?rel=0&controls=0&autoplay=1&showinfo=0&disablekb=1&disablekb=1&modestbranding=1&start=7&loop=1&playlist=JdRO97mFMx8&wmode=opaque" frameborder="0" allowfullscreen></iframe>
</div><!-- end of about -->
<div id="works" class="channel">
</div><!-- end of works -->
<div id="contact" class="channel">
<div class="contact-border"></div>
<div class="stamp"></div>
<div class="contact-section">
<h3>Have a question or wanna say hello? Leave a message below.</h3>
<?php if(isset($emailSent) && $emailSent == true) { ?>
<p class="info">Your message was sent and will be responded to ASAP.</p>
<?php } else { ?>
<form id="contact-us" action="contact.php" method="post">
<?php if(isset($hasError) || isset($captchaError) ) { ?>
<p class="alert">There was a mistake in the message</p>
<?php } ?>
<label>Name</label>
<input type="text" name="contactName" id="contactName" value="<?php if(isset($_POST['contactName'])) echo $_POST['contactName'];?>" class="txt requiredField" placeholder="Name:" />
<?php if($nameError != '') { ?>
<br /><span class="error"><?php echo $nameError;?></span>
<?php } ?>
<label>E-mail</label>
<input type="text" name="email" id="email" value="<?php if(isset($_POST['email'])) echo $_POST['email'];?>" class="txt requiredField email" placeholder="Email:" />
<?php if($emailError != '') { ?>
<br /><span class="error"><?php echo $emailError;?></span>
<?php } ?>
<label>Message</label>
<textarea name="comments" id="commentsText" class="txtarea requiredField" placeholder="Message:"><?php if(isset($_POST['comments'])) { if(function_exists('stripslashes')) { echo stripslashes($_POST['comments']); } else { echo $_POST['comments']; } } ?></textarea>
<?php if($commentError != '') { ?>
<br /><span class="error"><?php echo $commentError;?></span>
<?php } ?>
<button name="submit" type="submit" class="subbutton"> </button>
<input type="hidden" name="submitted" id="submitted" value="true" />
</form>
</div><!-- end of contact-section -->
<?php } ?>
</div>
</div>
</div><!-- end of contact -->
<!--Javascript-->
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript" src="js/application.js"></script>
</body>
</html>

Submitting the form results in the following error
404 (Not Found) http://modestewebstudio.com/contact.php
Make sure there that the file is in fact named contact.php, and that it's placed in the root directory of your web server.

JQuery functions not running

The program below contains various error messages to be displayed under certain conditions. These conditions are found through PHP code, after which the necessary JQuery script is echoed in PHP to make the messages appear.
At first, all messages in the .warning class are hidden. Then, if a certain condition is met, particular ids of this class are shown. Below is the relevant code.
<?php require_once 'connection.php'; ?>
<!--
To change this template, choose Tools | Templates
and open the template in the editor.
-->
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Create Account</title>
<link rel="stylesheet" type="text/css" href="Styles2.css">
<script src="JQuery.js"></script>
</head>
<body>
<script>
$(document).ready(function(){
$('.warning').hide();
});
</script>
<div class="unloggedheadingbar">
</div>
<br>
<div class="createaccount">
<center><h1>Create Account</h1></center>
<center><table>
<form action="create_account.php" method="post">
<tr><td><font class="createaccountfont">Email</font></td><td><input type="text" name="Email" placeholder="someone#somewhere.com" value="<?php if(isset($_POST['Create'])){ echo $_POST['Email']; } ?>" class="createaccounttext"></td></tr>
<tr><td colspan="2"><br></td></tr>
<tr><td><font class="createaccountfont">Password</font></td><td><input type="password" name="Password" class="createaccounttext"></td></tr>
<tr><td colspan="2"><br></td></tr>
<tr><td><font class="createaccountfont">Confirm Password </font></td><td><input type="password" name="ConfirmPassword" class="createaccounttext"></td></tr>
</table></center>
<br>
<center><input type="submit" name="Create" value="Create Account" class="createButton" id="Create"></center>
</form>
<br>
<div class="warning" id="passwordMatchError">
<center><font class="warningText">Your password confirmation must match with your original password!</font></center>
</div>
<div class="warning" id="emailFormatError">
<center><font class="warningText">Your email must match the someone#something.com format.</font></center>
</div>
<div class="warning" id="emailDuplicateError">
<center><font class="warningText">An account under this email already exists.</font></center>
</div>
</div>
<?php
if(isset($_POST['Create'])){
$email = $_POST['Email'];
$password = md5($_POST['Password']);
if(strpos($email, '#') !== TRUE){
echo '<script>
$(".warning").hide();
$("#emailFormatError").show();
</script>';
}elseif($_POST['Password'] != $_POST['ConfirmPassword']){
echo '<script>
$(".warning").hide();
$("#passwordMatchError").show();
</script>';
}else{
$query = "SELECT * FROM user_table WHERE Email = '" . $email . "';";
$result = mysqli_query($con, $query);
if(mysqli_num_rows($result) == 0){
$query = "INSERT INTO user_table VALUES ('" . $email . "', '" . $password . "');";
mysqli_query($con, $query);
}else{
echo '<script>
$(".warning").hide();
$("#emailDuplicateError").show();
</script>';
}
}
}
?>
</body>
However, the objects with particular IDs are not actually shown. Does anyone know why this may be? Thank you.

jQuery actions should be placed in $( document ).ready( function () {} );, i.e.:
echo '<script>$( document ).ready( function () {
$(".warning").hide();
$("#emailFormatError").show();
} );</script>';

We Keep Coding

JavaScript is the programming language of the Web.

hide and show div file (logged in) - javascript

<div class="show1">TEXT</div><div class="show1">TEXT</div> Replace with following code if(isset($_SESSION["username"])){ echo '<div class="show1">TEXT</div><div class="show1">TEXT</div>'; }

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