Enforces a minimum character length for post and comment contents in order for points to be awarded by myCRED.

min-char-requirement-mycred

/**
 * Minimum Char Length Requirement
 * Enforces a minimum character length for post and comment
 * contents in order for points to be awarded by myCRED.
 * @version 1.0.2
 */
add_filter( 'mycred_add', 'mycred_pro_min_char_limit', 10, 3 );
function mycred_pro_min_char_limit( $run, $request, $mycred ) {

	// No need to do anything if this has already been declined
	if ( $run === false ) return $run;

	// Only applicable to certain instances
	if ( ! in_array( $request['ref'], array(
		'publishing_content', 
		'approved_comment', 
		'new_forum_topic', 
		'new_forum_reply'
	) ) ) return $run;

	// Minimum length
	$min = 20;

	// Check comments
	if ( $request['ref'] == 'approved_comment' ) {

		$comment = get_comment( $request['ref_id'] );

		// Decline if content is too short
		if ( strlen( $comment->comment_content ) < $min )
			return false;

	}

	// Check posts
	else {

		$post = get_post( $request['ref_id'] );

		// Decline if content is too short
		if ( strlen( $post->post_content ) < $min )
			return false;

	}

	return $run;

}

I keep getting error whenever i put this code in the functions.php what do i need to do
Thanks