How to get content on html

curl_sample

<?php

/*$target = 'http://bni.co.id/id-id/informasivalas.aspx';
$ch = curl_init ($target);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$st = curl_exec ($ch) or die ('Curl Gagal');
curl_close($ch);


$p1 = strpos($st, "<td>USD</td><td class=\"number\">");
$p1 = strpos(haystack, needle)
echo $st;

*/

$target = 'http://www.bankmandiri.co.id/resource/kurs.asp';
$ch = curl_init ($target);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$st = curl_exec ($ch) or die ('Curl Gagal');
curl_close($ch);

$negara = array ('United States Dollar','Euro Rate','Singapore Dollar','Japanese Yen','Australian Dollar');

for ($x = 0; $x < sizeof($negara); $x++):
	$p1 = strpos($st, $negara[$x]."</span>");

	for ($j = 0; $j <= 1; $j++):
		$p1 = strpos($st, '<td align="right">', $p1 + 1);
		$p1 = $p1 + 18;
		$p2 = strpos($st, '</td>', $p1+1);
		if ($j == 0) $beli = substr($st, $p1, $p2 - $p1);
		else $jual = substr($st, $p1, $p2 - $p1);
	endfor;
	echo '<br /><h2>'.$negara[$x].'</h2><br />';
	echo " -- Nilai beli adalah : " . $beli.'<br /> ';
	echo " -- Nilai jual adalah : " . $jual;

endfor;