[expect php]
[file]
<?php
// v v over simplified
class foo
{
function parse()
{
$pattern = "/<a(.*?)href\\s*=\\s*['|\"|\\s*](.*?)['|\"|>](.*?)>(.*?)<\\/a>/i";
$string = "<a class='whatever' href='http://foo.com' target='_blank'>foo</a>";
print preg_replace_callback($pattern, array($this, 'cb'), $string);
}
function cb($matches)
{
return "<a" . $matches[1] . "href='http://someothersite.com/foo.php?page=" . $matches[2] . "'" . $matches[3] . ">" . $matches[4] . "</a>";
}
}
$bar = new foo();
$bar->parse();
/**
output is
<a class='whatever' href='http://someothersite.com/foo.php?page=http%3A%2F%2Ffoo.com' target='_blank'>foo</a>
*/
?>
