Child theme preview missing

Unfortunately this isn’t covered in that codex page. These previews of the themes aren’t auto generated. You will need to take a screenshot of your theme, and upload that screenshot to your root folder as ‘screenshot.png’. This screenshot will be automatically used then as a theme preview pic for your theme. I quote from the … Read more

Child theme showing a blank page

I think you’ve nothing in the index.php file. So what is happening that the child theme is calling the child theme’s index.php over parent theme’s index.php. And you have nothing on index.php. So the site is showing nothing. Delete the child theme’s index.php. You’ll see the site live.

Function to activate WordPress theme inside a plugin

Of course there’s a function for that (Codex): switch_theme( $stylesheet ) It: Switches current theme to new template and stylesheet names. Accepts one argument: $stylesheet of the theme. ($stylesheet is the name of your folder slug. It’s the same value that you’d use for a child theme, something like twentythirteen.) It also accepts an additional function signature … Read more

How do I remove a require_once admin panel from the parent theme from the child theme functions.php?

For cases where you want to require/include PHP files, but still allow child themes to replace those PHP files outright, then you should use the locate_template function. Example: Parent does this: locate_template( ‘admin/file.php’, true ); This finds the admin/file.php file in either the child or the parent theme, then does a require on it (that’s … Read more

Is it possible to override this function/class in a child theme?

You simply need to run your code on a higher priority than what the parent theme is, the default on add_action function is 10 so you can use: function s157343_unregister_widgets() { unregister_widget( ‘Chocolat_Widget_New_Entrys’ ); } add_action( ‘widgets_init’, ‘s157343_unregister_widgets’, 20 ); This will unregister that widget. Of course, you can still create a new class that … Read more

syntax for remove_filter in parent theme with class

It looks like the plugin doesn’t want you do access the APP_Registration instance, so you can try this: add_filter( ‘register_url’, function( $url ) { // Adjust this to your needs $url = site_url( ‘wp-login.php?action=register’, ‘login’ ); return $url; }, 11 ); to override the plugin’s modifications, where we use a priority > 10.

Do all files in child theme override the parent?

It depends entirely on a) what functions and template files you’re talking about, and b) how those functions are defined, or template files are called, in the Parent Theme. If the Parent Theme uses get_template_part(), then you’re golden. If the Parent Theme uses get_stylesheet_directory_uri() or STYLESHEETPATH, then you can override, with caveats. If the Parent … Read more

override parent theme configuration in child functions.php

You can’t necessarily replace entire arbitrary files with a child theme. WordPress will automatically look in the child theme for replacements for the templates in the template hierarchy, as well as a couple of additional files like searchform.php or comments.php, but any other files that the parent theme loads are only replaceable in a child … Read more