plugin-development - Read For Learn

Woocommerce custom emails without header and footer

Seems I’ve managed to find the solution. $mailer = $woocommerce->mailer(); must be called before the Get mail template function send_activation_link() { global $woocommerce; //My other code here…. $mailer = $woocommerce->mailer(); ob_start(); // Get mail template woocommerce_get_template(’emails/customer-reset-password-link.php’, array( ‘user_login’ => $user_login, ‘blogname’ => $blogname, ’email_heading’ => $email_heading, ‘key’ => $key )); // Get contents $message = … Read more

Issue plugin commands in admin settings page

Always wait for init or wp_loaded, so you know all needed functions and classes are available. add_action( ‘wp_loaded’, ‘plugin_prefix_start’ ); function plugin_prefix_start() { if (isset($_REQUEST[‘action’]) && $_REQUEST[‘action’] == ‘update’) { doUpdate(); } }

Two functions utilizing registration_errors filter

Identifying errors via error code Run add_user_to_SF with an earlier priority, to make it execute first add_filter( ‘registration_errors’, ‘add_user_to_SF’, 9, 3 );` Let’s assume you have two possible errors in your add_user_to_SF: function add_user_to_SF( $errors, $sanitized_user_login, $user_email ) { $has_errors = false; if ( /* some condition that should throw an error */ ) { … Read more

Plugin developement and SVN

Two things to note, URL requirement when registering plugin is currently worded as: Plugin URL (required, must be a link to a ZIP file of the working plugin) So you can simply put packed up plugin somewhere (your server, public Dropbox folder, etc) to provide it for review. It doesn’t have to be established site … Read more

How a deprecated function can crash WordPress site while upgrading

Where… The following files hold the deprecated functions: ~/wp-includes/deprectated.php ~/wp-includes/pluggable-deprectated.php … Take a look at them and then through their replacement functions, where the calls to _deprecated_function() happen. Why… Normally a crash shouldn’t happen. In the “real” PHP world, you’d get an E_DEPRECATED Warning. In WordPress you’ll get a trigger_error() return caused by _deprecated_function() calls. … Read more

is user logged in not working

The point of the code is to load the lu_ban_detect in the footer of the page. That function then prints Javascript to the footer, per this comment: Has javascript wrapped in a function named “lu_ban_detect” and it prints it in the footer of the page That being the case, this is not the proper way … Read more

Registering and using actions which return results in a Plugin class

Some actions hooks need to be fired on specific events. Try this code: class SpektrixPlugin { public function __construct(){ add_action(‘init’, array(&$this, ‘init’)); } public function spektrix_list_events($getPrices = FALSE) { $api = new SpektrixApiClient(); return $api->getAllEvents($getPrices); } public function init(){ add_action( ‘spektrix_list_events’, array ( $this, ‘spektrix_list_events’ )); } } $SpektrixEvents = new SpektrixPlugin(); I’ve tested this … Read more

Where to call wp_enqueue_script in a plugin with custom template?

The action is plural: wp_print_scripts, however, the action you want to enqueue scripts on is wp_enqueue_scripts.

Can wp_list_comments output into variable?

In the default usage this is impossible due to the nature of the default comment walker which always directly outputs. But the function allows to provide a custom walker. Further reading about custom walkers: Codex Class reference example custom walker class You could also use output buffering to save it into a variable (this is … Read more

A better way to include localized labels in WordPress plugins

there is no need to separate code from translatable labels. your plug_get_labels function suffers from the following issues Translation tools can show you the context in which the label is being used which helps in making a good translation faster. With your function you lose context. the use of such function encourage you to call … Read more

+ More