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    <p>First point: that tutorial is based on an old version of WordPress; don't follow that one. Now:</p> <p>The handle you specify in <a href="http://codex.wordpress.org/Function_Reference/wp_register_script" rel="noreferrer">wp_register_script()</a> must be unique. You are reusing the same handle (fancybox) for all scripts; this won't work. Give each one a different handle, e.g. 'jquery-mousewheel', 'jquery-fancybox', 'jquery-fancybox-buttons', etc. Try to stick to established naming habits that WordPress uses, see <a href="http://codex.wordpress.org/Function_Reference/wp_enqueue_script#Default_scripts_included_with_WordPress" rel="noreferrer">wp_enqueue_script() default scripts</a> for examples.</p> <p>If you want your scripts to be output in the footer, just say so in wp_register_script() (which you have); there is no need to use the wp_footer action. Styles should be output in the header anyway, not the footer.</p> <p>You can tell WordPress to register and enqueue scripts and stylesheets for output with one call each: <a href="http://codex.wordpress.org/Function_Reference/wp_enqueue_script" rel="noreferrer">wp_enqueue_script()</a> and <a href="http://codex.wordpress.org/Function_Reference/wp_enqueue_style" rel="noreferrer">wp_enqueue_style()</a>. There is no need to register, then enqueue, in your simple case.</p> <p>The best action hook for registering and enqueueing scripts is '<a href="http://codex.wordpress.org/Plugin_API/Action_Reference/wp_enqueue_scripts" rel="noreferrer">wp_enqueue_scripts</a>'. Try to only use that one except in special circumstances.</p> <p>Bonus points: where a script name already includes the version number, you can suppress the extra '?ver=nnn' that WordPress tacks on by passing null as the version string.</p> <p>And finally, <a href="http://codex.wordpress.org/Function_Reference/get_stylesheet_directory_uri" rel="noreferrer">get_stylesheet_directory_uri()</a> doesn't take any arguments.</p> <p>NB: this gets your script working. One thing your linked tutorial does differently is only output your scripts conditionally, but there are better tutorials on that subject linked at the bottom of the wp_enqueue_scripts() manual page. First, get your site working!</p> <pre><code>class fancy{ static function init() { add_shortcode('lightbox', array(__CLASS__, 'handle_shortcode')); add_action('wp_enqueue_scripts', array(__CLASS__, 'wp_enqueue_scripts')); } static function handle_shortcode($atts) { self::$add_script = true; // actual shortcode handling here } static function wp_enqueue_scripts() { $base = get_stylesheet_directory_uri(); wp_enqueue_script('jquery-mousewheel', $base . '/js/jquery.mousewheel-3.0.6.pack.js', array('jquery'), null, true); wp_enqueue_script('jquery-fancybox', $base . '/js/jquery.fancybox.pack.js', array('jquery'), '1.0', true); wp_enqueue_script('jquery-fancybox-buttons', $base . '/js/jquery.fancybox-buttons.js', array('jquery-fancybox'), '1.0', true); wp_enqueue_script('jquery-fancybox-media', $base . '/js/jquery.fancybox-media.js', array('jquery-fancybox'), '1.0', true); wp_enqueue_script('jquery-fancybox-thumbs', $base . '/js/jquery.fancybox-thumbs.js', array('jquery-fancybox'), '1.0', true); wp_enqueue_style('jquery-fancybox', $base . '/css/jquery.fancybox.css', false, '1.0', true); wp_enqueue_style('jquery-fancybox-buttons', $base . '/css/jquery.fancybox-buttons.css', array('jquery-fancybox'), '1.0', true); wp_enqueue_style('jquery-fancybox-thumbs', $base . '/css/jquery.fancybox-thumbs.css', array('jquery-fancybox'), '1.0', true); } } fancy::init(); </code></pre> <p>PS: I suspect that jquery.fancybox.pack.js is a packed (i.e. minified) version of jquery.fancybox.js, so use that one as 'jquery-fancybox' if it is; you don't need both.</p>
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    1. COthanks for the help, but i tried your code and it still doesn't register , i have also removed the add_action for the shortcode to see if it works by itself and still no luck.
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    2. COWhere are you putting this code? e.g. functions.php in your theme folder?
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    3. COPS: you can use a class, or not, the class is just being used in this code as a convenient way to wrap your functions in a namespace really, i.e. to prevent name clashes with plugins etc.
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