The page you referenced does have the correct order of events listed there. If you want to see which events were fired for a particular request you can install debug-bar and debug-bar-action-hooks. If you are wanting to send a header either plugins_loaded or init will work. But it is recommended to use the send_headers action … Read more
The WordPress user agent is set in the class WP_Http as ‘WordPress/’ . $wp_version . ‘; ‘ . get_bloginfo( ‘url’ ) You can set it to a (secret) fixed value per filter: add_filter( ‘http_headers_useragent’, ‘wpse_59788_user_agent’ ); function wpse_59788_user_agent() { // to remove this filter immediately uncomment the following line // remove_filter( current_filter(), __FUNCTION__ ); return … Read more
A subtle difference between your syntax wp-footershould be wp_footer, underscore _ and not hypthen – add_filter(‘wp-footer’, fahad); // wrong… add_filter(‘wp_footer’, ‘fahad’); // right.. Follow the naming convention of functions: (Codex) Plugin_API: Action_Reference » the wp_footer hook (Codex) Plugin_API: Action_Reference (Codex) Function_Reference
wp_mail() is defined in wp-includes/pluggable.php. This file is loaded after the plugins are loaded, but before the hook plugins_loaded has been fired. So the answer is: wait. add_action( ‘plugins_loaded’, ‘renderHTML’ ); On a side note: prefix your function names and your global variables.
You can look at the Codex. Encodes < > & ” ‘ (less than, greater than, ampersand, double quote, single quote). Will never double encode entities. Given that, arguably, both of those strings need sanitization. Imagine a site name like >> “My” Website’s Great Title <<” Also, since you are using this in Javascript, you … Read more
It´s possible select which plugin load by page or post […]? Short answer: Not with a plugin (nor with code in a theme). Normally, in WordPress, you use conditional tags to undestand in which post or page you are, e.g. you can use is_page(‘my-page’) or is_post(12) and so on. The problem is these conditional tags … Read more
If you haven’t studied up on WordPress’s own unit testing tools and how to use them with plugins, I’d recommend that you do that. Here’s a tutorial I wrote, to get you started: http://codesymphony.co/writing-wordpress-plugin-unit-test
If ACF (or any other plugin) is active on the site you do not need to include its files as they are all being included in the wordpress initialization process. The only tricky part is that you don’t know the order in which files are included and yours might be included before the ACF files … Read more
1. First of all functions.php is for themes, that are different things than plugins. In WordPress themes should be used for presentation only, plugin for functionality. If you want you can use themes for functionality, but you shouldn’t. In fact, themes and plugins are just php files that at a specific moment of a WordPress … Read more
There is no action variable on the data you’re passing to Ajax. This way WordPress is sending just a generic call to Ajax which always return 0. You must edit your data on your JS file to something like: data: { ‘user_input’: user_input_last, ‘action’: ‘tags_autofill_function’ },