dir/mod/share.php

<?php

require_once('bbcode.php');

function share_init(&$a) {

	$post_id = (($a->argc > 1) ? intval($a->argv[1]) : 0);
	if((! $post_id) || (! local_user()))
		killme();

	$r = q("SELECT item.*, contact.network FROM `item` 
		left join contact on `item`.`contact-id` = `contact`.`id` 
		WHERE `item`.`id` = %d AND `item`.`uid` = %d LIMIT 1",

		intval($post_id),
		intval(local_user())
	);
	if(! count($r) || ($r[0]['private'] == 1))
		killme();

	if (intval(get_config('system','new_share'))) {
		if (strpos($r[0]['body'], "[/share]") !== false) {
			$pos = strpos($r[0]['body'], "[share");
			$o = substr($r[0]['body'], $pos);
		} else {
			$o = "[share author='".$r[0]['author-name'].
				"' profile='".$r[0]['author-link'].
				"' avatar='".$r[0]['author-avatar'].
				"' link='".$r[0]['plink']."']\n";
			if($r[0]['title'])
				$o .= '[b]'.$r[0]['title'].'[/b]'."\n";
			$o .= $r[0]['body'];
			$o.= "[/share]";
		}
	} else {
		$o = '';

		$o .= "\xE2\x99\xb2" . ' [url=' . $r[0]['author-link'] . ']' . $r[0]['author-name'] . '[/url]' . "\n";
		if($r[0]['title'])
			$o .= '[b]' . $r[0]['title'] . '[/b]' . "\n";
		$o .= $r[0]['body'] . "\n" ;

		$o .= (($r[0]['plink']) ? '[url=' . $r[0]['plink'] . ']' . t('link') . '[/url]' . "\n" : '');
	}
	echo $o;
	killme();
}