BP_Media_Extractor::extract_shortcodes( string $richtext, string $plaintext, array $extra_args = array() )

	protected function extract_shortcodes( $richtext, $plaintext, $extra_args = array() ) {
		$data = array( 'has' => array( 'shortcodes' => 0 ), 'shortcodes' => array() );

		// Match any registered WordPress shortcodes.
		if ( strpos( $richtext, '[' ) !== false ) {
			preg_match_all( '/' . get_shortcode_regex() . '/s', $richtext, $matches );

			if ( ! empty( $matches[2] ) ) {
				foreach ( $matches[2] as $i => $shortcode_name ) {
					$attrs = shortcode_parse_atts( $matches[3][ $i ] );
					$attrs = ( ! $attrs ) ? array() : (array) $attrs;

					$shortcode               = array();
					$shortcode['attributes'] = $attrs;             // Attributes.
					$shortcode['content']    = $matches[5][ $i ];  // Content.
					$shortcode['type']       = $shortcode_name;    // Shortcode.
					$shortcode['original']   = $matches[0][ $i ];  // Entire shortcode.

					$data['shortcodes'][] = $shortcode;
				}
			}
		}

		$data['has']['shortcodes'] = count( $data['shortcodes'] );

		/**
		 * Filters shortcodes extracted from text.
		 *
		 * @since BuddyPress 2.3.0
		 *
		 * @param array  $data       Extracted shortcodes.
		 *                           See {@link BP_Media_Extractor::extract_shortcodes()} for format.
		 * @param string $richtext   Content to parse.
		 * @param string $plaintext  Copy of $richtext without any markup.
		 * @param array  $extra_args Bespoke data for a particular extractor.
		 */
		return apply_filters( 'bp_media_extractor_shortcodes', $data, $richtext, $plaintext, $extra_args );
	}