Php Code: URL Info Extractor

This script is an example of working with strings. It gets a URL name and extracts all parts of it such as protocol, domain parts, other parts, the page name and input variables.
You can improve your skill of working with strings by this code. Enjoy!
<!-- This Script is from www.phpfreecpde.com, Coded by: Kerixa Inc-->
<?php
$url='';
if (isset($_POST['Submit']))
	$url=$_POST['URL'];
//var_dump($url);
$i=strpos($url,'://');
$htt=substr($url,0,$i);
if ($htt=="") $htt= 'No HTTP';
$site=substr($url,$i+3);
$part=explode('/',$site);
$domain=$part[0];
$dpart=explode('.',$domain);
$domainparts='';
for($k=0;$k<count($dpart);$k++)
	$domainparts.= $dpart[$k].', ';
$domainparts=substr($domainparts,0,strlen($domainparts)-2);
$pages='';
for($k=1;$k<=count($part)-2;$k++)
	$pages.=$part[$k].', ';
$pages=substr($pages,0,strlen($pages)-2);
$i=strpos($part[count($part)-1],'?');
$lastpage=substr($part[count($part)-1],0,$i);
$inputs=substr($part[count($part)-1],$i+1);

?>

<form method="post">
<table style="border: 1px solid #000000;width: 543px" align="center">
	<tr>
		<td style=" padding: 5px; font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; width: 179px; color: #2214B9;border-style: solid;border-width: 1px;">
		<strong>URL</strong></td>
		<td style="padding: 5px;font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; color: #2214B9;border-style: solid;border-width: 1px; width: 432px;">
			<input name="URL" style="padding: 8px;width: 235px; height: 41px; font-family: 'Times New Roman', Times, serif; font-size: 14pt; margin-left: 0px" value="<?php echo $url ?>">
			<input name="Submit" style="width: 86px; height: 41px; margin-top: 0px" type="submit" value="Extract"></td>
	</tr>
	<tr>
<?php if (isset($_POST['Submit'])){ ?>
	<td style="padding: 5px; font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; width: 179px; color: #2214B9;border-style: solid;border-width: 1px;">
		<strong>Protocol</strong></td>
	<td style="padding: 5px;font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; color: #2214B9;border-style: solid;border-width: 1px; width: 432px;">
			<?php echo $htt ?></td>
	</tr>
	<tr>
	<td style="padding: 5px; font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; width: 179px; color: #2214B9;border-style: solid;border-width: 1px;">
		<strong>Domain Parts</strong></td>
	<td style="padding: 5px;font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; color: #2214B9;border-style: solid;border-width: 1px; width: 432px;">
		<?php echo $domainparts ?></td>
	</tr>
	<tr>
	<td style="padding: 5px; font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; width: 179px; color: #2214B9;border-style: solid;border-width: 1px;">
		<strong>Parts</strong></td>
	<td style="padding: 5px;font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; color: #2214B9;border-style: solid;border-width: 1px; width: 432px;">
		<?php echo $pages ?></td>
	</tr>
	<tr>
	<td style="padding: 5px; font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; width: 179px; color: #2214B9;border-style: solid;border-width: 1px;">
		<strong>Page Name</strong></td>
	<td style="padding: 5px;font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; color: #2214B9;border-style: solid;border-width: 1px; width: 432px;">
		<?php echo $lastpage ?></td>
	</tr>
	<tr>
	<td style="padding: 5px; font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; width: 179px; color: #2214B9;border-style: solid;border-width: 1px;">
		<strong>Inputs</strong></td>
	<td style="padding: 5px;font-family: 'Times New Roman', Times, serif;font-size: 17pt;text-align: left; color: #2214B9;border-style: solid;border-width: 1px; width: 432px;">
		<?php echo $inputs ?></td>
	</tr>
<?php } ?>
</table>
</form>
<div style="text-align: center">
	<font face="Tahoma"><a target="_blank" href="http://www.phpfreecode.com/">
	<span style="font-size: 8pt; text-decoration: none">PHP Free Code</span></a></font>
</div>
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Php Code: URL Info Extractor

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