bp_blogs_activity_content_with_read_more( $content,  $activity )

function bp_blogs_activity_content_with_read_more( $content, $activity ) {

	if( ( 'blogs' === $activity->component ) && isset( $activity->secondary_item_id ) && 'new_blog_' . get_post_type( $activity->secondary_item_id ) === $activity->type ) {
		$blog_post = get_post( $activity->secondary_item_id );
		// If we converted $content to an object earlier, flip it back to a string.
		if( is_a( $blog_post, 'WP_Post' ) ) {
			$content = bp_create_excerpt( html_entity_decode( $blog_post->post_content ) );
			if( false !== strrpos( $content, __( '…', 'buddyboss' ) ) ) {
				$content     = str_replace( ' […]', '…', $content );
				$append_text = apply_filters( 'bp_activity_excerpt_append_text', __( ' Read more', 'buddyboss' ) );
				$content     = sprintf( '%1$s<span class="activity-blog-post-link"><a href="%2$s" rel="nofollow">%3$s</a></span>', $content, get_permalink( $blog_post ), $append_text );
				$content     = apply_filters_ref_array( 'bp_get_activity_content', array( $content, $activity ) );
				preg_match( '/<iframe.*src=\"(.*)\".*><\/iframe>/isU', $content, $matches );
				if( isset( $matches ) && array_key_exists( 0, $matches ) && ! empty( $matches[0] ) ) {
					$iframe  = $matches[0];
					$content = strip_tags( preg_replace( '/<iframe.*?\/iframe>/i', '', $content ), '<a>' );
					$content .= $iframe;
				} else {
					$src = wp_get_attachment_image_src( get_post_thumbnail_id( $blog_post->ID ), 'full', false );
					if( isset( $src[0] ) ) {
						$content .= sprintf( ' <img src="%s">', esc_url( $src[0] ) );
					}
				}

			} else {
				$content = apply_filters_ref_array( 'bp_get_activity_content', array( $content, $activity ) );
				$content = strip_tags( $content, '<a><iframe>' );
				preg_match( '/<iframe.*src=\"(.*)\".*><\/iframe>/isU', $content, $matches );
				if( isset( $matches ) && array_key_exists( 0, $matches ) && ! empty( $matches[0] ) ) {
					$content = $content;
				} else {
					$src = wp_get_attachment_image_src( get_post_thumbnail_id( $blog_post->ID ), 'full', false );
					if( isset( $src[0] ) ) {
						$content .= sprintf( ' <img src="%s">', esc_url( $src[0] ) );
					}
				}
			}
		}

	}

	return $content;

}