filters - Read For Learn

Using add_filters() , apply_filter(), add_action() and do_action() in extending a plugin

It’s a very broad question, but my approach would look something like this: I’d replace your code with this: <?php my_the_payment_options(); ?> And then in my plugin: function my_the_payment_options() { $payment_options = get_my_available_payment_options(); if ( $payment_options ) : ?> <div class=”payments-options”> <?php foreach ( $payment_options as $k => $v ) call_user_func( $v[‘callback’] ); ?> </div> … Read more

Use add_filter inside another function

Login logout below menu bar

If your theme adheres to WordPress standards the menu is generated with a call to wp_nav_menu. This function has a filter that allows you to modify the html. Like this: add_filter (‘wp_nav_menu’, ‘wpse312466_add_loginlink’); function wpse312466_add_loginlink ($nav_menu, $args) { $nav_menu = ‘<div id=”loglink”><a href=”https://wordpress.stackexchange.com/link/to/loginpage”>Login here</a></div>’ . $nav_link return $nav_menu } Now it depends on your css … Read more

adding an action inside if condition not working

Filter template text

More informations needed, but maybe you’ll find it by using global variables. Like: global $post; var_dump($post);

Replace Text with hyperlinks

This is a fairly complex PHP (rather than WP) issue if you want to take into account all possibilities. If you replace test with <a href=”#”>test</a> you will run into problems if the content already has <a href=”https://wordpress.stackexchange.com/questions/317374/?”>test</a>, because the result will then be <a href=”https://wordpress.stackexchange.com/questions/317374/?”><a href=”#”>test</a></a> So, before you do the replace you will … Read more

Displaying posts on a page that have been assigned a value in a database

If I understand correctly what you’re trying to accomplish, you’ll probably want “post meta” (post meta data) to be updated in relation to the 3rd party program, then adjust the post query to look for it before outputting posts. This objective can be accomplished in different ways, the simplest ones not necessarily requiring input from … Read more

Does anybody know what the $current_screen ->id for customizer.php is?

According to the Codex, This function is defined on most admin pages, but not all. Thus there are cases where is_admin() will return true, but attempting to call get_current_screen() will result in a fatal error because it is not defined. One known example is wp-admin/customize.php.

WordPress: Issue with filtering users using date range

Modify oembed code conditionally

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