plugin-development - Read For Learn

What is better way to use Bootstrap inside admin panel?

As @N00b said, if a selector matches between bootstrap and wordpress, and is more specific, then it will overwrite and you’ll see the changes.

How to create thumbnail of different files?

You’re already looking in the right places. (And nowadays WordPress already supports PDF thumbnails through ImageMagick – code.) To add a new thumbnail generator, you’ll need to: write a new WP_Image_Editor class that supports the file type or types you want – you’ll want to extend the base class and override at least test() load() … Read more

What is the Difference between directly call a function and call a function using add_action?

In the first block of code, pp_submit__link_form() will be fired on the init action in WordPress. In the second block of code, pp_submit__link_form() will be fired immediately at the time the function is called.

WordPress cron running twice

I tried WP Crontrol instead and it turned out that two cron jobs were being created for generate_send_csv. To fix this, I created the crons within activation hooks and deactivation hooks as follows: register_activation_hook( __FILE__, ‘my_activation’ ); add_action( ‘generate_send_csv’, ‘generate_and_send_csv’ ); function my_activation() { wp_schedule_event(‘1488979800’, ‘daily’, ‘generate_send_csv’); } register_deactivation_hook( __FILE__, ‘my_deactivation’ ); function my_deactivation() { … Read more

Woocommerce how to update variable product price programitically?

I believe you want the woocommerce_variable_price_html filter hook. But there are several price related filters listed in the official docs here: WooCommerce Api Docs: Hooks woocommerce_variable_price_html in 3.0 is defined in /class-wc-product-variable.php https://docs.woocommerce.com/wc-apidocs/source-class-WC_Product_Variable.html#145 Hooking it with something like: add_filter( ‘woocommerce_variable_price_html’, ‘NAME_OF_YOUR_FUNCTION’, 10, 2 ); Here is some Additional info on Filter Hooks in WordPress There … Read more

Is there any background process that I can run from plugin without depending on page hits on a website without affecting page-load speed?

There is no reason for your design, but the core of your problem is that (I assume) people are trying to use a free tier of the API instead of properly paying for its use and removing the ridiculous restrictions. Anyway, the solution is fairly simple, run your cron every half an hour, allocate to … Read more

WordPress: After Gutenberg plugin migration to block.json the localization/ translations with PolyGlot in JavaScript does not work anymore

This fixed it in block.json: “editorScript”: “file:index.js” This is what I used before: “editorScript”: “file:./index.js”,

Plugin: Relative URL to images in another folder accessed inside a JS file

For this purpose you can use wp_localize_cript() function, like this: function localize_my_script() { $image_url = plugins_url( ‘resources/images/myimage.png’, __FILE__ ); $localizations = array( ‘imageURL’ => $image_url ); wp_localize_script( ‘my-script-handle’, ‘localizedVars’, $localizations ); } add_action( ‘wp_enqueue_scripts’, ‘localize_my_script’ ); That is assuming that you have properly enqueued your script with my-script-handle handle as an example.

How to update the language used by wordpress from a plugin

This questions was already asked half a year ago: “Switch language by the click of a button” The result of it can now be found as a plugin maintained by @StephenHarris and me. WCM User Language Switcher It also got a place in the official repo. The development version can be found in our wecodemore … Read more

why creating tables using $wpdb is not being executed while installing plugins?

Try using a different method. WordPress fires a hook during plugin activation activate_yourplugin/filename.php. You can use this to create tables. function creating_order_tables() { if(!get_option(‘tables_created’, false)) { global $wpdb; $ptbd_table_name = $wpdb->prefix . ‘printtextbd_order’; if ($wpdb->get_var(“SHOW TABLES LIKE ‘”. $ptbd_table_name .”‘” ) != $ptbd_table_name ) { $sql=”CREATE TABLE exone( customer_id INT(20) AUTO_INCREMENT, customer_name VARCHAR(255), order_type VARCHAR(255), … Read more

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