Awards the content author the same amount of points as the user who shares their content using the ShareThis plugin with myCRED.

award-content-author-for-share

add_filter( 'mycred_add', 'mycred_award_post_author_for_share', 90, 3 );
function mycred_award_post_author_for_share( $reply, $request, $mycred ) {

	// Only applicable if points are being awarded for sharing
	if ( $reply === false || $request['ref'] != 'share' ) return $reply;

	// Prep
	$user_id = absint( $request['user_id'] );
	$post_id = absint( $request['ref_id'] );
	$post = get_post( $post_id );
	if ( ! isset( $post->post_author ) ) return $reply;

	// Make sure this is not the post author sharing or that the post author is excluded from using myCRED
	if ( $user_id == $post->post_author || $mycred->exclude_user( $post->post_author ) ) return $reply;

	// Award the same amount of points as the user who is sharing
	$mycred->update_users_balance( $post->post_author, $request['amount'], $request['type'] );

	// Add to the log
	$mycred->add_to_log(
		$request['ref'],
		$post->post_author,
		$request['amount'],
		'%plural% for getting your content shared',
		$post_id,
		array( 'ref_type' => 'post' ),
		$request['type']
	);

	return $replay;

}