New and improved version of the script, with a few other minor improvements, like getting rid of scripts and headers, fixing HRs, and warning you if you've gone over the phpBB post size limit which is 64 kB:
Code: Select all
<?
// HTML to BBCode Converter
// Set search/replace variables
unset($pattern);
unset($replacement);
// Eliminate excess whitespace
$pattern[]="/ [ |\t]+/";
$replacement[]=" ";
// Images (note that .*? is an ungreedy version of .*)
$pattern[]="/<IMG.*?SRC.*?\"(.*?)\".*?>/i";
$replacement[]="[img]\\1[/img]";
// Convert http links to URL BBcode, ignore other link types
$pattern[]="/<A.[^>]*HREF=\"*(HTTP:[^\"]*)\".*?>(.*?)<\/A>/i";
$replacement[]="[url=\\1]\\2[/url]";
// Eliminate forms, floats, headers, and scripts
$pattern[]="/<FORM.*?<\/FORM>/i";
$replacement[]="";
$pattern[]="/<DIV[^>]*FLOAT.*?>.*?<\/DIV>/i";
$replacement[]="";
$pattern[]="/<HEAD.*?<\/HEAD.*?>/i";
$replacement[]="";
$pattern[]="/<SCRIPT.*?<\/SCRIPT.*?>/i";
$replacement[]="";
// Paragraph structure
$pattern[]="/<P.*?>|<\/P>|<DIV.*?>|<\/DIV>|<BR.*?>|<\/TD>/i";
$replacement[]="\n";
$pattern[]="/<BLOCKQUOTE>/i";
$replacement[]="[quote]";
$pattern[]="/<BLOCKQUOTE[^>]*CITE=\"(.*?)\".*?>/i";
$replacement[]="[quote=\"\\1\"]";
$pattern[]="/</BLOCKQUOTE>/i";
$replacement[]="[/quote]";
// Miscellaneous HTML codes
$pattern[]="/<I>|<I .*?>/i";
$replacement[]="[i]";
$pattern[]="/<\/I>/i";
$replacement[]="[/i]";
$pattern[]="/<B>|<B .*?>/i";
$replacement[]="[b]";
$pattern[]="/<\/B>/i";
$replacement[]="[/b]";
$pattern[]="/<U>|<U .*?>/i";
$replacement[]="[u]";
$pattern[]="/<\/U>/i";
$replacement[]="[/u]";
$pattern[]="/<H1.*?>/i";
$replacement[]="\n[b][size=24]";
$pattern[]="/<\/H1>/i";
$replacement[]="[/size][/b]\n";
$pattern[]="/<H2.*?>/i";
$replacement[]="\n[b][size=20]";
$pattern[]="/<\/H2>/i";
$replacement[]="[/size][/b]\n";
$pattern[]="/<H3.*?>/i";
$replacement[]="\n[b][size=16]";
$pattern[]="/<\/H3>/i";
$replacement[]="[/size][/b]\n";
$pattern[]="/<OL.*?>/i";
$replacement[]="[list=1]";
$pattern[]="/<UL.*?>/i";
$replacement[]="[list]";
$pattern[]="/<\/OL>|<\/UL/i";
$replacement[]="[/list]";
$pattern[]="/<LI.*?>/i";
$replacement[]="[*]";
$pattern[]="/<PRE>/i";
$replacement[]="[code]";
$pattern[]="/<\/PRE>/i";
$replacement[]="
";
// Replace horizontal rulers with underscores
$pattern[]="/<HR.*?>/i";
$replacement[]="\n________________________________________\n\t\n";
// Special characters not processed by html_entity_decode
$pattern[]="/—|–|–|—/";
$replacement[]="-";
$pattern[]="/“|”|"|“|”/";
$replacement[]="\"";
$pattern[]="/’|‘|'|‘|’/";
$replacement[]="'";
// Acquire data
unset($htmlsource);
if (isset($_POST['htmlsource']))
{
// Read in data but remove line feeds and carriage returns
$htmlsource=ereg_replace("/\n|\r|\r\n|\n\r/"," ",$_POST['htmlsource']);
}
else if (isset($_POST['url']))
{
$handle=@fopen($_POST['url'],"rb");
if ($handle)
{
stream_set_timeout($handle,10);
$line="";
// Read in source
while (!feof($handle) && strlen($line)<1024*256)
{
$line=rtrim(fgets($handle,1024*256));
$urlsource.=$line." ";
}
// Remove line feeds and carriage returns
$htmlsource=ereg_replace("/\n|\r|\r\n|\n\r/"," ",$urlsource);
}
}
if (isset($htmlsource))
{
// Perform HTML substitution to BBcode
$htmlsource=preg_replace($pattern,$replacement,html_entity_decode($htmlsource));
// Eliminate all remaining HTML tags
$htmlsource=preg_replace("/<.*?>/","",$htmlsource);
// Eliminate large groups of newlines (3 or more)
$htmlsource=preg_replace("/\n[ ]*[\n][ ]*[\n]+/","",$htmlsource);
// Check length
if (strlen($htmlsource)>65535)
{
echo "<h2>Warning: Post length is ".strlen($htmlsource)." characters. ";
echo "The phpBB post size limit is 65535 characters.</h2>\n\n";
}
// Replace remaining newlines with <br /> tags for output
$htmlsource=preg_replace("/\n/","<br />",htmlspecialchars($htmlsource));
// Output results
echo "<html>\n<body>\n".$htmlsource."\n</body>\n</html>\n";
}
else
{
?>
<html>
<body>
<h1 style="text-align:center">HTML Source to BB Code Converter</h1>
<?
if (isset($_POST['textsubmit'])) echo "<p><b>Error</b>: Exceeds script input size limit.</p>\n";
if (isset($_POST['urlsubmit'])) echo "<p><b>Error</b>: URL could not be retrieved.</p>\n";
?>
<p style="margin-bottom:0">Copy and paste the HTML source code into this text box:</p>
<form action="<?$_SERVER['PHP_SELF']?>" method="post">
<textarea rows="20" cols="80" name="htmlsource"></textarea><br />
<input type="submit" name="textsubmit" value="Submit" /><input type="reset" />
</form>
<p style="margin-bottom:0">Alternatively, enter a URL for the website to convert:</p>
<form action="<?$_SERVER['PHP_SELF']?>" method="post">
<input type="text" size="80" name="url" value="http://" />
<input type="submit" name="urlsubmit" value="Submit" /><input type="reset" />
</form>
</body>
</html>
<?
}
?>
[/code]
