So, here I have page1.php:
<form action="action_form.php" method="post">
<select name="font_syle">
<option value="tahoma">Tahoma</option>
<option value="arial">Arial</option>
</select>
<input type="submit" value="Done" />
</form>
Here action_form.php:
<?php
session_start();
$font_style = $_POST["font_syle"];
$_SESSION["font_syle"] = $font_style;
if($_SESSION["font_syle"] == 'tahoma') $font_style = 10;
else if($_SESSION["font_syle"] == 'arial') $font_style = 20;
$total = $font_style;
echo $total;
?>
And here page.php
<?php
ob_start();
include 'action_form.php';
ob_end_clean();
echo $total;
?>
I don't know why the value of "$total" is not printed on page.php
page.php includes action_form.php
. That sets the value of $font_style
to:
$font_style = $_POST["font_syle"];
Since page.php hasn't just been posted through a form, it's setting $font_style
to an empty string. So when you come to echo it out, there's nothing there to echo.
You can do echo $_SESSION["font_syle"];
in the page.php to print it
The reason is your form is going to action_form.php
and store the data inside the variable $_SESSION
.
When you open page.php
the data doesn't exist anymore because $total
does not move between page.
The solution here is to change :
<form action="action_form.php" method="post">
for
<form action="page.php" method="post">
OR
Print out the session variable instead.
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