In backend there is global ajaxurl variable defined by WordPress itself. This variable is not created by WP in frontend. It means that if you want to use AJAX calls in frontend, then you have to define such variable by yourself. Good way to do this is to use wp_localize_script. Let’s assume your AJAX calls … Read more
Thanks for the answers guys. Though both answers set me on the right path, none worked out of the box. So I’m sharing my solutions below. Method 1 – Using register_activation_hook: Create the Parent Plugin in plugins/parent-plugin/parent-plugin.php: <?php /* Plugin Name: Parent Plugin Description: Demo plugin with a dependent child plugin. Version: 1.0.0 */ Create … Read more
I think you have to be a little careful because it depends on what you are trying to do. If you are using a child theme get_template_directory(); will still go to the parent theme. However get_stylesheet_directory(); will go to the current theme, child or parent. Also, both these functions return absolute server paths. If you … Read more
Short answer: your name attribute values must use the schema option_name[array_key]. So, when you use … <input name=”option_name[key1]”> <input name=”option_name[key2]”> … you get an array as option value in your validation function: array ( ‘key1’ => ‘some value’, ‘key2’ => ‘some other value’ ) PHP does that for you, this is not a WordPress feature. … Read more
The way to do this is to use the ‘admin_enqueue_scripts’ hook to en-queue the files you need. This hook will get passed a $hook_suffix that relates to the current page that is loaded: function my_admin_enqueue($hook_suffix) { if($hook_suffix == ‘appearance_page_theme-options’) { wp_enqueue_script(‘my-theme-settings’, get_template_directory_uri() . ‘/js/theme-settings.js’, array(‘jquery’)); wp_enqueue_style(‘my-theme-settings’, get_template_directory_uri() . ‘/styles/theme-settings.css’); ?> <script type=”text/javascript”> //<![CDATA[ var template_directory … Read more
This is what I generally use: <table class=”widefat fixed” cellspacing=”0″> <thead> <tr> <th id=”cb” class=”manage-column column-cb check-column” scope=”col”></th> // this column contains checkboxes <th id=”columnname” class=”manage-column column-columnname” scope=”col”></th> <th id=”columnname” class=”manage-column column-columnname num” scope=”col”></th> // “num” added because the column contains numbers </tr> </thead> <tfoot> <tr> <th class=”manage-column column-cb check-column” scope=”col”></th> <th class=”manage-column column-columnname” scope=”col”></th> … Read more
OK so found some more: JeffreyWay / WordPress-Theme-Options-Page – open source class the project is hosted on github aimed at theme developers, looks nice, haven’t used it. (link dead) . devinsays / Options-Framework – open source Framework the project is hosted on github aimed at theme developers , i later learned that is has evolved … Read more
Hi @Sruly: You’ve pretty much answered your own question, but I’ll elaborate a bit. Action Hooks Actions Hooks are intended for use when WordPress core or some plugin or theme is giving you the opportunity to insert your code at a certain point and do one or more of the following: Use echo to inject … Read more
Well what a coincidence that you ask this, Jan! Just today I had time on a long train journey and decided to write a Rewrite Analyzer plugin, one that parses your rewrite rules and highlights the query variables. You can test URLs right there and see what query variables will be set. You can find … Read more
For anyone who wants to know more about file uploading, here’s a quick primer covering the major topics and pain points. This is written with WordPress 3.0 on a Linux box in mind, and the code is just a basic overview to teach the concepts. I’m sure some folks here could offer advice for improvement … Read more