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Form Option to Set COOKIE , HELP!!!

noobtopro

By noobtopro
in PHP Coding Help

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noobtopro Newbie

noobtopro

Posted
Posted

Hello again everyone,

                                  I am new to PHP. This is the second part of a question:

 

Question: In the program you created in question 4, allow your user the option of saving the information for the next time they visit. If they choose "yes", save information in a cookie.

 

At the bottom of question5.php I added a checkbox to save the information. I then created an if statement on the processing page (question5display.php. I would appreciate some help, thanks guys.

 

Here is the form ( called it question5.php):

 

<html>

<head>

<title>

Please Enter Your Text</title>

</head>

 

<body>

 

 

 

<form method="post" action="question5display.php">

 

<p>Enter the text you want formatted please:

 

<input type="text" name="textformat" maxlength="30" size="30" />

 

<table>

<tr>

<td><label for="font">Select Font:</label></td>

<td><select id="font" name="font">

<option value="Verdana">Verdana</option>

<option value="Arial">Arial</option>

<option value="Times New Roman">Times New Roman</option>

</select>

</td>

</tr>

 

<tr>

<td><label for ="size">Select Size:</label></td>

<td><select id="size" name="size">

<option value="10px">10px</option>

<option value="12px">12px</option>

<option value="14px">14px</option>

<option value="20px">20px</option>

 

</select>

</td>

</tr>

   

<tr>

<td><label for="color">Select Color:</label></td>

<td><select id="color" name="color">

<option value="green">Green</option>

<option value="blue">Blue</option>

<option value="red">Red</option>

</select>

</td>

</tr>

 

   

</table>

 

<input type="checkbox" id="save_prefs" name="save_prefs" />

<label for="save_prefs">Save these preferences for the next time you log in.</label>

 

<input type="submit" name="submit" value="Submit" />

</form>

 

 

</body>

</html>

 

 

 

 

 

 

Here is the page it goes to (called it question5display):

 

 

 

<?php

 

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

setcookie('font', $_POST['font'], time() + 60);

setcookie('size', $_POST['size'], time() + 60);

setcookie('color', $_POST['color'], time() + 60);

 

$_COOKIE['font'] = $_SESSION['font'];

$_COOKIE['size'] = $_SESSION['size'];

$_COOKIE['color'] = $_SESSION['color'];

 

 

}

 

 

session_start();

$_SESSION['textformat'] = $_POST['textformat'];

$_SESSION['font'] = $_POST['font'];

$_SESSION['size'] = $_POST['size'];

$_SESSION['color'] = $_POST['color'];

 

 

?>

 

 

<html>

<head>

</head>

<body>

<p

<?php

echo ' style="font-family: ' . $_SESSION['font'] . '; ';

echo 'font-size: ' . $_SESSION['size'] . '; ';

echo 'color: ' . $_SESSION['color'] . ';" ';

?>>

<?php

echo $_SESSION['textformat'];

?>

</p>

 

 

</body>

</html>

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sunfighter Newbie

sunfighter

Posted
Posted

You are trying to set your cookie values from the session value, BUT you have not set session at this point. Change the php section to this:

<?php
session_start();
$_SESSION['textformat'] = $_POST['textformat'];
$_SESSION['font'] = $_POST['font'];
$_SESSION['size'] = $_POST['size'];
$_SESSION['color'] = $_POST['color'];


if (isset($_POST['save_prefs'])) {
   setcookie('font', $_POST['font'], time() + 60);
   setcookie('size', $_POST['size'], time() + 60);
   setcookie('color', $_POST['color'], time() + 60);

   $_COOKIE['font'] = $_SESSION['font'];
   $_COOKIE['size'] = $_SESSION['size'];
   $_COOKIE['color'] = $_SESSION['color'];
}
?>

 

Besides, you shouls start sessions as your first line of code.

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wildteen88 Regular Member

wildteen88

Posted
Posted

When setting cookies, the value of the cookies will not become available until you refresh the page. So you will not be able to immediately retrieve the cookie once you have set it. However you will when you reload page.

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wildteen88 Regular Member

wildteen88

Posted
Posted

The second page with is called from the form does write to the browser, so it does set the cookies. I just gave a revised php section at the top of that page.

It will set the cookie. But you wont be able to retrieve the cookie immediately after you call setcookie(). That is what I trying to say. Try it yourself

<?php
setcookie('test', 'blah...', time()+60);
echo "\$_COOKIE['test'] = " . $_COOKIE['test'];
?>

When first run that code it will just display the text

$_COOKIE['test'] =

However when you reload the page it'll show

$_COOKIE['test'] = blah..
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noobtopro Newbie

noobtopro

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Thanks guys, here is what I came up with based on your advice. I believe it works:

 

 

<?php

setcookie('font', $_POST['font'], time() + 60);

setcookie('size', $_POST['size'], time() + 60);

setcookie('color', $_POST['color'], time() + 60);

//setting cookies must be the first thing before any whitespace of any html or anything at all.

 

$_COOKIE['font'] = $_POST['font'];

$_COOKIE['size'] = $_POST['size'];

$_COOKIE['color'] = $_POST['color'];

 

session_start();

$_SESSION['textformat'] = $_POST['textformat'];

$_SESSION['font'] = $_POST['font'];

$_SESSION['size'] = $_POST['size'];

$_SESSION['color'] = $_POST['color'];

 

 

 

 

// Turn off all error reporting

error_reporting(0);

 

// Report simple running errors

error_reporting(E_ERROR | E_WARNING | E_PARSE);

 

// Reporting E_NOTICE can be good too (to report uninitialized

// variables or catch variable name misspellings ...)

error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE);

 

// Report all errors except E_NOTICE

// This is the default value set in php.ini

error_reporting(E_ALL ^ E_NOTICE);

 

// Report all PHP errors (see changelog)

error_reporting(E_ALL);

 

// Report all PHP errors

error_reporting(-1);

 

// Same as error_reporting(E_ALL);

ini_set('error_reporting', E_ALL);

 

?>

 

 

 

<?php

 

 

 

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

 

 

echo '<html>';

echo '<head>';

echo '<title>here it is</title>';

echo '</head>';

echo '<body>';

echo '<p';

 

echo ' style="font-family: ' . $_COOKIE['font'] . '; ';

echo 'font-size: ' . $_COOKIE['size'] . '; ';

echo 'color: ' . $_COOKIE['color'] . ';" ';

echo '>';

 

echo $_POST['textformat'];

 

echo '</p>';

 

//just to check to see if the comp is inside the if statement

echo $_COOKIE['font'];

echo $_COOKIE['size'];

echo $_COOKIE['color'];

 

}

 

else {

 

 

 

echo '<html>';

echo '<head>';

echo '</head>';

echo '<body>';

echo '<p';

 

echo ' style="font-family: ' . $_SESSION['font'] . '; ';

echo 'font-size: ' . $_SESSION['size'] . '; ';

echo 'color: ' . $_SESSION['color'] . ';" ';

echo '>';

 

echo $_SESSION['textformat'];

 

echo '</p>';

 

}

?>

 

</body>

</html>

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