PHP and JavaScript problem help?

newbe123 · December 3, 2010

I have created a web log where you can log in and add new entries, etc.

I'm using PHP and JavaScript. In the page where you can add new entry, I am using JavaScript, but now I want to save these records in a text file that is then displayed on the index.php page. I'm having trouble putting together JavaScript and php code. How can I do that?

index.php

<?php
session_start();

if(isset($_POST['LoutBtn']))
{
session_unset($_SESSION);
session_destroy();
}

if(isset($_POST['LoginBtn']))
{


//convert a string to all lower case letters.
//if user gives username with big letters still can login.
$user = strtolower($_POST['username']);
$pass = $_POST['password'];

if($user == 'admin' && $pass == '123')
{
$_SESSION['LogedIn'] = true;
}

elseif (empty($user) || empty($pass))
         
      
      {
	  print('<font color="#FF0000">Please fill in username and password!<br/></font>');
    
      
      }
	  
elseif ($_POST['username'] != 'admin'){
      
     
      print('<font color="#FF0000">wrong username<br/></font>');
    
      
      }
      
      elseif ($_POST['password'] != '123'){
      
   
      print('<font color="#FF0000">wrong password<br/></font>');

}
}
if (isset($_SESSION['LogedIn']))
if ($_SESSION['LogedIn'] == true)
{
echo 'Welcome You are Loged in.';
?>
    <table width="50"  align="right"  cellpadding="2" cellspacing="2">

<form method="POST" action="panel.php">
<tr>

<td><input type="submit" value="add post" name="PnlBtn" /></td>
</tr>
</form>

<form method="POST" action="stat.php">
<tr>

<td><input type="submit" name="showstat" value="visitorlog" /></td>
</tr>
</form>

</table>  
<?php	

}

?>


<!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>Untitled Document</title>
</head>

<body>

<form method="post" action="index.php" >

<table width="300" border="1" align="right" cellpadding="2" cellspacing="2">
<tr>
<td width="150">UserName:</td>
<td> <input type="text" name="username" size="20" />
</td>
</tr>
<tr>
<td width="150">Password</td>
<td><input type="password" name="password" size="20" /></td>
</tr>
<tr>
<td><input type="submit" value="Login" name="LoginBtn" />
</td>
</tr>
<tr>
<td><input type="submit" value="Logout" name="LoutBtn" /></td>
</tr>
</table>
<p>

<input type="submit" name="this" value="Current Month" />
<input type="submit" name="prev" value="Previous Month" />
<input type="submit" name="next" value="Next Month" />
</p>
</form>

</body>
</html>

panel.php (where I can add new entry)

<?php
session_start();
if   ($_SESSION['LogedIn'] == false)
{
$redirect = "Location: " . $_REQUEST['LoginBtn'] . "index.php";
echo header($redirect);

}

elseif ($_SESSION['LogedIn'] == true)
{
echo "welcome";
}

?>





<!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>Untitled Document</title>
	<script src="bloggadd.js" type="text/JavaScript"></script>		
</head>

<body onload="showdate()">


<form  action="panel.php" method="post">
<p>
			Date (yyyy-mm-dd):<br />
			<input type="text" name="date" id="date" size="12" /><br /><br />

			Subject:<br />

			<input type="text" name="header" id="header" size="12" /><br /><br />				

			Content:<br />
			<textarea name="entry" id="entry" rows="20" cols="40"></textarea><br /><br />	

			<input type="submit" name="add" value="add post" onclick="return validate()"/>

		</p>



</form>



</body>
</html>
<?php
$page_parts = explode("/", $_SERVER['PATH_INFO']);

$page_filename = $page_parts[count($page_parts)-1];



$lastpage = $_SESSION['thispage'];

if ( strlen ($lastpage) == 0 ) $lastpage = "index.php";



$_SESSION['thispage'] = $page_filename;

?>
<form  action="<?php echo $lastpage ?>" method="post">
<table>
<tr><td clospan="2"><input type="submit" value="Home" name="back" /></td></tr>
</table>
</form>

bloggadd.js (the JavaScript code)

// Show current date in the date box
function showdate()
{
var now = new Date();

document.getElementById('date').value = now.getFullYear() + "-" + (now.getMonth() + 1) + "-" + now.getDate();
loginform.header.focus();
}

// Validate Form
function validate()
{	
var date = document.getElementById('date').value;
// Heading is no requirement
var entry = document.getElementById('entry').value;	

// If the date is note the correct format
if (!/^\d{4}\-\d{1,2}\-\d{1,2}$/.test(document.getElementById('date').value)) 
{    
  		alert('Please enter the dates in the format yyyy-mm-dd.');  	
  		document.getElementById('date').focus();
  		
  		return false;
}	

// on missing posts
if (entry.length == 0)
{
	alert("Fyll i ett inlägg.");
	document.getElementById('entry').focus();

	return false;
}

return true;				
}

I really appreciate if someone helps me.

newbe123 · December 3, 2010

ANYONE???

Psycho · December 3, 2010

You really haven't clarified the EXACT problem. What specific problem are you having. Are you getting errors? What?

newbe123 · December 3, 2010

No. no errors.

The problem I am having is that I have created this blog and I have used JavaScript and now when I add a new post I want to save it on a file and than display the saved posts on index.php.

I just don't know how to do that. I don't know how to use JavaScript codes in php.

Psycho · December 5, 2010

I just don't know how to do that. I don't know how to use JavaScript codes in php.

That's because you don't use JavaScript in PHP. Nothing you are asking for requires JavaScript.

In any event, this forum is for people who want "help" with code they have written. I think you should be posting in the freelance forum.

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