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Posted by Schraalhans Keukenmeester on 02/15/07 16:35
I want to build a very basic online text editor, to allow customers to
modify their own sites' html content using a simple form with textarea
element.
I read the HTML file like so:
<?PHP
function EditText ($filepath)
{
if (!$file = file($filepath)) return false;
foreach ($file as $line) {
$value .= $line; // contains all text in file when done
}
$html = "<html><head><title>Editor</title></head>
<body>
<form method='post' action='processtext.php'>
<textarea rows='40' cols='80' name='txt' value='$value'>
<input type='submit'>
</form>
</body>
</html>";
echo $html;
return true;
}
EditText ('/sample/index.html');
?>
The problem comes when the parsed file containing html elements itself
is echoed to the browser. In itself, PHP does what it's asked, but all
browsers I tried choke on the contents of the TEXTAREA field. Best
example may be: try parsing the file containing the script itself, it
becomes a real mess.
I tried htmlspecialchars, this did not fix it. I tried addslashes to
only escape the quotes in the parsed file, also no success.
I saw one example online where 'they' preg_replaced about every possible
(x)html and php syntax element, resulting in an immensely large and slow
script. Can't imagine that's the proper way forward.
If at all possible I'd like to stay away from Javascript. Any idea if
this is a realistic approach? Are there any useable scripts available? I
searched google a lot, but I keep ending up at sites that offer html or
php editors for local use, not in a browser.
Thanks for any good tips!
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