Get current page id, title, url, etc

<?php
$link = "https://wordpress.stackexchange.com/questions/25552/mailto:?subject=". get_bloginfo() ." '. the_title_attribute(array('echo'=>0));
$link .= '&amp;body=some text '. get_permalink();
?>
<a href="https://wordpress.stackexchange.com/questions/25552/<?php echo $link ?>">mail to a friend</a>

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