admin_url() gets you the correct administration page URL (and network_admin_url() to get a network administration page URL) Optionally, you can use add_query_arg() to append arguments to an URL, using an associative array: $page=”edit_record_page”; $rec_id = 1; $record_url = add_query_arg(compact(‘page’, ‘rec_id’), admin_url(‘admin.php’));
These two functions accomplish two different things. wp_footer() is a hook used in your footer.php template file to ensure that the right code is inserted (from the core/plugins/etc) into the right place. get_footer() is used in your other template files to call for the code in your footer.php template file. So in simpler words wp_footer() … Read more
The filter is manage_{$screen->id}_columns, and $screen->id is edit-category, giving you manage_edit-category_columns. I found this by placing a var_dump() in get_column_headers(), which is called by print_column_headers(), which is called in wp-admin/edit-tags.php, the page where you edit the category items.
Today I run a test over my db to explore the speed difference between accessing a key from options, custom table & transients. I ran the test for 1000 times and following is the time taken to run 1000 get operations: Keep in mind that the options table is used for both options and transients … Read more
@Byran M. I tend to use two constructs I don’t often see other WordPress developers using often, which surprises me, but I like them a lot. 1.) Heredocs You can store large blocks of text as heredocs string that might look like this so I can store worrying about mixing single and double quotes: $html=<<<HTML … Read more
Use plugin_dir_url() to get the public URI for the directory where the calling PHP file is. <img src=”https://wordpress.stackexchange.com/questions/60230/<?php echo plugin_dir_url( __FILE__ ) .”images/facebook.png’; ?>”> If the PHP file is in a sub directory of your plugin you have to go up: <img src=”https://wordpress.stackexchange.com/questions/60230/<?php echo plugin_dir_url( dirname( __FILE__ ) ) .”images/facebook.png’; ?>”>
Maybe what you’re looking for is : WP_PLUGIN_DIR // full path, no trailing slash WP_PLUGIN_URL // full url, no trailing slash See documentation
Hook in wp.media to add a new tab
So, it looks like two things are going on here: echo “<select id=’$id’ style=”width:15em;height:10em;” class=”select$field_class” name=”” . $buddha_option_name . “[$id]” multiple>”; As noted by @Radek, you could have made the name of the select box an array by using [] – e.g. name=”my_option_name[]” – this will result in the filed $_POST[‘my_option_name’] being an array of … Read more
The flush_rewrite_rules function is reliable in some contexts like a theme or a plugin based on hooks but I’m not sure if it works for a mu-plugin My statement is based on the fact that WordPress is initialized in this way: call the wp-settings.php file call the do_action( ‘muplugins_loaded’ ); hook, here your plugin is … Read more