bp_activity_truncate_entry( string $text, array $args = array() )

function bp_activity_truncate_entry( $text, $args = array() ) {
	global $activities_template;

	/**
	 * Provides a filter that lets you choose whether to skip this filter on a per-activity basis.
	 *
	 * @since BuddyPress 2.3.0
	 *
	 * @param bool $value If true, text should be checked to see if it needs truncating.
	 */
	$maybe_truncate_text = apply_filters(
		'bp_activity_maybe_truncate_entry',
		isset( $activities_template->activity->type ) && ! in_array( $activities_template->activity->type, array( 'new_blog_post', ), true )
	);

	// The full text of the activity update should always show on the single activity screen.
	if ( empty( $args['force_truncate'] ) && ( ! $maybe_truncate_text || bp_is_single_activity() ) ) {
		return $text;
	}

	/**
	 * Filters the appended text for the activity excerpt.
	 *
	 * @since BuddyPress 1.5.0
	 *
	 * @param string $value Internationalized "Read more" text.
	 */
	$append_text    = apply_filters( 'bp_activity_excerpt_append_text', __( '[Read more]', 'buddyboss' ) );

	$excerpt_length = bp_activity_get_excerpt_length();

	$args = wp_parse_args( $args, array( 'ending' => __( '…', 'buddyboss' ) ) );

	// Run the text through the excerpt function. If it's too short, the original text will be returned.
	$excerpt        = bp_create_excerpt( $text, $excerpt_length, $args );

	/*
	 * If the text returned by bp_create_excerpt() is different from the original text (ie it's
	 * been truncated), add the "Read More" link. Note that bp_create_excerpt() is stripping
	 * shortcodes, so we have strip them from the $text before the comparison.
	 */
	if ( strlen( $excerpt ) < strlen( strip_shortcodes( $text ) ) ) {
		$id = !empty( $activities_template->activity->current_comment->id ) ? 'acomment-read-more-' . $activities_template->activity->current_comment->id : 'activity-read-more-' . bp_get_activity_id();

		$excerpt = sprintf( '%1$s<span class="activity-read-more" id="%2$s"><a href="%3$s" rel="nofollow">%4$s</a></span>', $excerpt, $id, bp_get_activity_thread_permalink(), $append_text );
	}

	/**
	 * Filters the composite activity excerpt entry.
	 *
	 * @since BuddyPress 1.5.0
	 *
	 * @param string $excerpt     Excerpt text and markup to be displayed.
	 * @param string $text        The original activity entry text.
	 * @param string $append_text The final append text applied.
	 */
	return apply_filters( 'bp_activity_truncate_entry', $excerpt, $text, $append_text );
}