plugin-development - Read For Learn

update_post_meta not working in a loop

how to add stylesheet to particular plugin only?

You can use get_current_screen() to check which page is being displayed now, and if it was your plugin’s page, enqueue the script. However the easier way is to use the global variable, $pagenow: if(( $pagenow == ‘my-plugin.php’ ) { wp_enqueue_style(‘my-style’, ‘URL-HERE’ ); } In which my-plugin.php is the slug of your plugin screen’s URL, such … Read more

Fatal error: Uncaught Error: Call to undefined function get_option()

Instead of doing this, simply write your own function inside the verifyapi.php and then include it in your plugin’s main file, by using this: require_once(‘verifyapi.php’); This way, you have access to WordPress’s function inside your verifyapi.php file. Now, inside your verifyapi.php file, create an Ajax handler (however I would recommend using a REST endpoint) : … Read more

Plugin directory says that my plugin it’s not availabe in Spanish, but it is

To be able to approve your own plugin translations you have to post in the Polyglots site: https://make.wordpress.org/polyglots/ a message like this: “Hello, I’m the author of the {insert plugin name and a link} plugin. Could you allow me to approve translations in my native language (es_ES), please?” And select “Editor Request” in the “Post … Read more

How can I replace content in the WP Admin area before an admin page is rendered?

There’s no filter for filtering all of the HTML output in the admin. The closest thing is the gettext filter: function wpse_275812_filter_text( $translated_text, $text, $domain ) { $translate_text = str_ireplace( ‘foo’, ‘bar’, $translated_text ); return $translated_text; } add_filter( ‘gettext’, ‘wpse_275812_filter_text’ ); This filters any text output by the internationalization functions (__(), _e(), etc.). So it … Read more

Doubts about the use of metadata and how this can affect performance on WordPress

WordPress pre_get_posts with combined results of two queries (OR)

See WP_Query as reference for the post query filters. You can filter posts by their authors with the ‘author’ query var as you filter posts by their taxonomy with ‘tax_query’ query var. Then, conditionally set the ‘tax_query’ query var depending on the user’s company meta field. If it’s empty, set the ‘author’ query var instead. … Read more

Authorizing a plugin to call Google Analytics v4 API on wp_cron

Answering my own question: I reviewed another well-known plugin, Google Analytics, which provides both approaches to the user: The user can either: Use the plugin’s client id and secret key to request an authorization code with offline access. The user pastes the code into a text field and the plugin proceeds to request an access … Read more

parse content from wikipedia article replacing search term with the title of article

You can’t and shouldn’t echo something into a function’s arguments. The single_post_title() function will echo the title by default. You should either set the second parameter to false, or use another function: echo getDescription( single_post_title( ”, false ) ); WordPress also offers the get_the_title() function that returns the single post’s title which you can use … Read more

woocommerce_checkout_order_processed hook executing function twice

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