If you want to prevent deleting a single or a list of category IDs within the admin, you can prevent so by blocking all requests that delete the category. There is no hook in wordpress you can make use of to use easily, but there’s always a work-around. In my example I use the check_admin_referer … Read more
The problem with your code is that you’re checking is_single() when your plugin is first loaded, before the global query has run, so is_single() still returns false. You should move the is_single() check within your my_template function: function my_template() { if(is_single() && have_posts() && ‘Custom’ == get_post_meta(get_the_ID(), ‘Design’)) { include(PLUGINDIR . ‘/supersqueeze/all.php’); exit; } } … Read more
The first is a pattern called a closure. It’s not unique to jQuery. You could just as easily write (function(someVar) { // Inside the closure, someVar == “test” })(“test”); Basically, you’re manually passing jQuery into the closure by referencing the jQuery object externally and aliasing it to $ inside the context of the closure. The … Read more
You can change ‘post’ to which ever post type you want to apply the default content to. add_filter( ‘default_content’, ‘wpse57907_default_content’, 10, 2 ); function wpse57907_default_content( $content, $post ) { if ( ‘post’ == $post->post_type ) $content=”Use this area to write an introduction to the course…”; return $content; } Edit I’m not sure you can add … Read more
Ok got it to work. I couldn’t find anything on the web about this, bar one guy’s page, which did actually work but wasn’t quite as good a solution as I’d wanted. I did some research how the main plugins are doing it, and only found some unintuitive custom JS ways. Anyway success I got … Read more
You can hook to the init action and then check for the query variable, you can use the PayPal provided query var or you can use your own custom query var. I will give you example of your own custom query var i.e MYIPN_LISTENER The Code: function wpse58656_paypal_ipn_listener() { // check for your custom query … Read more
Wrap your function in if( ! function_exists( ‘wp_authenticate’ ) ) to get rid of the error and successfully activate your plugin: if( ! function_exists( ‘wp_authenticate’ ) ){ function wp_authenticate(){} } This is necessary because in the context of activating a plugin, the function does already exist, only after it is activated will your plugin load … Read more
You can try to use the attachment_submitbox_misc_actions filter to add more info to the box. Here is an example for the filesize part: add_action( ‘attachment_submitbox_misc_actions’, ‘custom_fileinfo_wpse_98608’ ); function custom_fileinfo_wpse_98608(){ global $post; $meta = wp_get_attachment_metadata( $post->ID ); $upload_dir = wp_upload_dir(); $filepath = $upload_dir[‘basedir’].”https://wordpress.stackexchange.com/”.$meta[‘file’]; $filesize = filesize($filepath); ?> <div class=”misc-pub-section”> <?php _e( ‘File Size:’ ); ?> <strong><?php … Read more
You can achieve that with filters on the_content and the_title: function wpa_content_filter( $content ) { if( isset( $_REQUEST[‘var1’] ) && $_REQUEST[‘var1’] == “str1” ) { return ‘This content will be displayed on the default page template.’; } return $content; } add_filter( ‘the_content’, ‘wpa_content_filter’, 999 );
There’re easier ways than this. As @Wyck already stated that using globals is bad idea, here’s a short explanation and how to: Why globals are bad: 1) Everyone can access them everywhere. First this sounds nice, but you can as well do the following: // Your code: default value global $foo; $foo = ‘bar’; // … Read more