bp_activity_media_handle_sideload( array $file_array, array $post_data = array() )

function bp_activity_media_handle_sideload( $file_array, $post_data = array() ) {

	$overrides = array( 'test_form' => false );

	$time = current_time( 'mysql' );
	if ( $post = get_post() ) {
		if ( substr( $post->post_date, 0, 4 ) > 0 ) {
			$time = $post->post_date;
		}
	}

	$file = wp_handle_sideload( $file_array, $overrides, $time );
	if ( isset( $file['error'] ) ) {
		return new WP_Error( 'upload_error', $file['error'] );
	}

	$url     = $file['url'];
	$type    = $file['type'];
	$file    = $file['file'];
	$title   = preg_replace( '/\.[^.]+$/', '', basename( $file ) );
	$content = '';

	// Use image exif/iptc data for title and caption defaults if possible.
	if ( $image_meta = @wp_read_image_metadata( $file ) ) {
		if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
			$title = $image_meta['title'];
		}
		if ( trim( $image_meta['caption'] ) ) {
			$content = $image_meta['caption'];
		}
	}

	if ( isset( $desc ) ) {
		$title = $desc;
	}

	// Construct the attachment array.
	$attachment = array_merge( array(
		'post_mime_type' => $type,
		'guid'           => $url,
		'post_title'     => $title,
		'post_content'   => $content,
	), $post_data );

	// This should never be set as it would then overwrite an existing attachment.
	if ( isset( $attachment['ID'] ) ) {
		unset( $attachment['ID'] );
	}

	// Save the attachment metadata
	$id = wp_insert_attachment( $attachment, $file );

	if ( ! is_wp_error( $id ) ) {
		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
	}

	return $id;
}