Shortcode callbacks have to return, not output. So use the following: function test() { return ‘-TEST-‘; } add_shortcode( ‘testshortcode’, ‘test’ ); More info: http://codex.wordpress.org/Shortcode_API If you have to use echo you can also do it this way(useful if there’s a lot of markup & it’s difficult working with strings)- function test() { ob_start(); echo ‘-TEST-‘; … Read more
This is untested, but the callback function is provided with an array of arguments, $args which give (if any) the paramters provided with the shortocode. The zeroth entry sometimes contains the name of the shortcode used (e.g. public_email). By sometimes I mean… The zeroeth entry of the attributes array ($atts[0]) will contain the string that … Read more
You can add a custom plugin, to WordPress and also the TinyMCE visual editor. The follow source is a example that simple works and add a string before and after all shortcode. Usage The shortcode will find via regex, relevant if you need it for different shortcodes and different mark on this. The script add … Read more
We start by adding the custom TinyMCE Button: function add_mce_button_custom_em() { // check user permissions if ( !current_user_can( ‘edit_posts’ ) && !current_user_can( ‘edit_pages’ ) ) { return; } // check if WYSIWYG is enabled if ( ‘true’ == get_user_option( ‘rich_editing’ ) ) { add_filter( ‘mce_external_plugins’, ‘add_tinymce_plugin_custom_em’ ); add_filter( ‘mce_buttons’, ‘register_mce_button_custom_em’ ); } } add_action(‘admin_head’, ‘add_mce_button_custom_em’); … Read more
Shortcodes must return, not echo or print their output. As the Codex entry for add_shortcode() explains: Note that the function called by the shortcode should never produce output of any kind. Shortcode functions should return the text that is to be used to replace the shortcode. Producing the output directly will lead to unexpected results. … Read more
If you use double brackets, WordPress will not execute the shortcode but just display it with single brackets. So becomes in your post.
Something I forgot in my previous comment was that shortcodes return content, both the suggested include and my alternative get_template_part will directly output the content (which is what you are seeing with the content appearing at the top of your page instead of where the shortcode is called). To counteract this we must use output … Read more
Have a look at my guide here – http://www.wpexplorer.com/wordpress-tinymce-tweaks/ – so you can see how to create a popup window where you can select your options than insert a shortcode. If you download my Free Symple Shortcodes plugin you can see a live implementation as well. Instead of having the user select the posts to … Read more
WP v3.3 gave us the ability to run wp_enqueue_script in the middle of a page. Ticket 9346 This has made it much easier to include your JS with better granularity (when using shortcodes, at least). Here, jquery will be only included when our shortcode is fired. function get_slideshow() { // Do some stuff… // Load … Read more
Instead of calling do_shortcode() just call the function associated with the shortcode. Example There is a shortcode named [example] and a function registered as shortcode handler: function example_shortcode( $atts = array(), $content=”” ) { extract( shortcode_atts( array ( ‘before’ => ”, ‘after’ => ”, ), $atts ) ); return $before . $content . $after; } … Read more