Thirstyaffiliates Shortcode

function thirstylink_shortcode( $atts , $content = '' ) {

        global $post;

        $post_id = is_a( $post , 'WP_Post' ) ? $post->ID : 0;

        $atts = shortcode_atts( array(
            'ids'       => '',
            'linkid'    => '',
            'linktext'  => '',
            'class'     => '',
            'rel'       => '',
            'target'    => '',
            'title'     => '',
            'href'      => ''
        ), $atts , 'thirstylink' );

        // get all link attributes from $atts
        $link_attributes = array_diff_assoc(
            $atts,
            array(
                'ids'       => $atts[ 'ids' ],
                'linkid'    => $atts[ 'linkid' ],
                'linktext'  => $atts[ 'linktext' ],
            )
        );

        // get the link ID
        if ( ! $atts[ 'linkid' ] ) {

            $ids     = isset( $atts[ 'ids' ] ) ? array_map( 'intval' , explode( ',' , $atts[ 'ids' ] ) ) : array();
            $key     = rand( 0 , count( $ids ) - 1 );
            $link_id = $ids[ $key ];
        } else
            $link_id = (int) $atts[ 'linkid' ];

        $output = '';

        if ( $link_id && get_post_type( $link_id ) == Plugin_Constants::AFFILIATE_LINKS_CPT ) {

            // load thirstylink
            $thirstylink  = new Affiliate_Link( $link_id );
            $uncloak_link = $thirstylink->is( 'uncloak_link' );

            $thirstylink_href = defined( 'ICL_SITEPRESS_VERSION' ) && ! empty( $atts['href'] ) ? $atts['href'] : $thirstylink->get_prop( 'permalink' );

            // get the link URL
            $link_attributes[ 'href' ] = ( $uncloak_link ) ? apply_filters( 'ta_uncloak_link_url' , $thirstylink->get_prop( 'destination_url' ) , $thirstylink ) : $thirstylink_href;

            if ( ! $uncloak_link )
                $link_attributes[ 'href' ] = $this->clean_url( $link_attributes[ 'href' ] );

            // get link text content default if no value is set
            if ( empty( $content ) && $atts[ 'linktext' ] )
                $content = $atts[ 'linktext' ]; // backward compatibility to get the link text content.
            else if ( empty( $content ) )
                $content = $thirstylink->get_prop( 'name' );

            // check for nofollow defaults if no value is set
            if ( empty( $link_attributes[ 'rel' ] ) ) {

                $link_attributes[ 'rel' ] = $thirstylink->is( 'no_follow' ) ? 'nofollow' : '';

                if ( $thirstylink->get_prop( 'rel_tags' ) )
                    $link_attributes[ 'rel' ] = trim( $link_attributes[ 'rel' ] . ' ' . $thirstylink->get_prop( 'rel_tags' ) );
            }

            // check for new window defaults if no value is set
            if ( empty( $link_attributes[ 'target' ] ) ) {

                $link_attributes[ 'target' ] = $thirstylink->is( 'new_window' ) ? '_blank' : '';
            }

            // provide default class value if it is not set
            if ( empty( $link_attributes[ 'class' ] ) ){
                $thirsty_link_class = strpos( $content , '<img ' ) !== false ? 'thirstylinkimg' : 'thirstylink';
                $link_attributes[ 'class' ] = get_option( 'ta_disable_thirsty_link_class' ) !== 'yes' ? $thirsty_link_class : '';

                if ( $thirstylink->get_prop( 'css_classes' ) ) 
                    $link_attributes[ 'class' ] = trim( $link_attributes[ 'class' ] . ' ' . $thirstylink->get_prop( 'css_classes' ) );
            }
                

            // provide default class value if it is not set
            if ( empty( $link_attributes[ 'title' ] ) && get_option( 'ta_disable_title_attribute' ) !== 'yes' )
                $link_attributes[ 'title' ] = $thirstylink->get_prop( 'name' );

            // remove double quote character on title attribute.
            $link_attributes[ 'title' ] = esc_attr( str_replace( '"' , '' , $link_attributes[ 'title' ] ) );

            // add data-link_id attribute if affiliate link is uncloaked.
            if ( $uncloak_link )
                $link_attributes[ 'data-linkid' ] = $link_id;

            // tag links as "nojs" to disable JS redirect for them.
            if ( get_option( 'ta_enable_javascript_frontend_redirect' ) == 'yes' )
                $link_attributes[ 'data-nojs' ] = apply_filters( 'ta_nojs_redirect_attribute' , false , $thirstylink );

            // allow the ability to add custom link attributes
            $link_attributes = apply_filters( 'ta_link_insert_extend_data_attributes' , $link_attributes , $thirstylink , $post_id );

            // Build the link ready for output
            $output .= '<a';

            foreach ( $link_attributes as $name => $value ) {
				// Handle square bracket escaping (used for some addons, eg. Google Analytics click tracking)
				$value   = html_entity_decode( $value );
				$value   = preg_replace( '/&#91;/' , '[' , $value );
				$value   = preg_replace( '/&#93;/' , ']' , $value );
				$output .= ! empty($value) ? ' ' . $name . '="' . trim( esc_attr( $value ) ) . '"' : '';
			}

			$output .= ' data-shortcode="true">' . do_shortcode( $content ) . '</a>';


        } elseif ( current_user_can( 'edit_published_posts' ) )
            $output .= '<span style="color: #0000ff;">' . __( 'SHORTCODE ERROR: ThirstyAffiliates did not detect a valid link id, please check your short code!' , 'thirstyaffiliates' ) . '</span>';
        else
            $output = $content;     

        return $output;
    }