bp_activity_action_parse_url()

function bp_activity_action_parse_url() {
	require_once trailingslashit( buddypress()->plugin_dir . 'bp-activity/vendors' ) . '/website-parser/website_parser.php';

	// curling
	$json_data = array();
	if ( class_exists( 'WebsiteParser' ) ) {

		$url    = $_POST['url'];

		if ( strpos( $url, 'youtube' ) > 0 || strpos( $url, 'youtu' ) > 0 || strpos( $url, 'vimeo' ) > 0 ) {

			// Fetch the oembed code for URL.
			$embed_code = wp_oembed_get( $url );

			$json_data['title']       = ' ';
			$json_data['description'] = $embed_code;
			$json_data['images']      = '';
			$json_data['error']       = '';

			wp_send_json( $json_data );
		}

		$parser = new WebsiteParser( $url );
		$body   = wp_remote_get( $url );

		if ( ! is_wp_error( $body ) && isset( $body['body'] ) ) {

			$title       = '';
			$description = '';
			$images      = array();

			$parser->content = $body['body'];

			$meta_tags = $parser->getMetaTags( false );

			if ( is_array( $meta_tags ) && ! empty( $meta_tags ) ) {
				foreach ( $meta_tags as $tag ) {
					if ( is_array( $tag ) && ! empty( $tag ) ) {
						if ( $tag[0] == 'og:title' ) {
							$title = $tag[1];
						}
						if ( $tag[0] == 'og:description' ) {
							$description = html_entity_decode( $tag[1], ENT_QUOTES, "utf-8" );
						} elseif ( strtolower( $tag[0] ) == 'description' && $description == '' ) {
							$description = html_entity_decode( $tag[1], ENT_QUOTES, "utf-8" );
						}
						if ( $tag[0] == 'og:image' ) {
							$images[] = $tag[1];
						}
					}
				}
			}
			if ( $title == '' ) {
				$title = $parser->getTitle( false );
			}
			if ( empty( $images ) ) {
				$images = $parser->getImageSources( false );
			}
			// Generate Image URL Previews
			if ( empty( $images ) ) {
				$content_type = wp_remote_retrieve_header( $body, 'content-type' );
				if ( false !== strpos( $content_type, 'image' ) ) {
					$images = array( $url );
				}
			}

			$json_data['title']       = $title;
			$json_data['description'] = $description;
			$json_data['images']      = $images;
			$json_data['error']       = '';
		} else {
			$json_data['error'] = 'Sorry! preview is not available right now. Please try again later.';
		}
	} else {
		$json_data['error'] = 'Sorry! preview is not available right now. Please try again later.';
	}

	wp_send_json( $json_data );
}