Inline QR Code

<?php
/*
Plugin Name: Inline QRCodes
Version: 1.0
Author: Ozh
Author URI: http://ozh.org/
*/


yourls_add_filter( 'share_box_data', 'inline_qr_data' );
function inline_qr_data( $data ) {
    // Generate a real QR code for $data['shorturl']
    $data['shortlink_title'] = '<div id="qrcode">QR for '.$data['shorturl'].'</div>' . $data['shortlink_title'] ;
    return $data;
}

yourls_add_filter( 'add_new_link', 'inline_qr_add_url' );
function inline_qr_add_url( $data ) {
    $shorturl = $data['shorturl'];
    $data['html'] .= "<script>inline_qr_code( '$shorturl' );</script>";
    return $data;
}

yourls_add_action( 'html_head', 'inline_qr_js' );
function inline_qr_js() {
    echo <<<JS
    <style>
    #copybox { width: 300px; }
    #qrcode { float:right;width:50px;height:50px;margin-top:30px;background:red; font-size:8px; }
    </style>
    <script>
    function inline_qr_code( url ) {
        url = ( url == null ? $( '#origlink' ).attr('href') : url );
        // This function would fetch an actual QR code :
        $('#qrcode').html('QR Code for '+url);
    }
    $(document).ready(function(){
        // Share button behavior
        $('.button_share').click(function(){
            inline_qr_code();
        });

        // Tab behavior on stats page
        $('a[href=#stat_tab_share]').click(function(){
            inline_qr_code();
        });

        inline_qr_code();
    });
    </script>
JS;
}