Filtering a list of objects with ‘OR’ on the same field
the function wp_filter_object_list can only filter one value. for your filter try that : $post_tags = array_filter($post_tags, function ($e) { return in_array($e->slug, [“dog”, “cat”]); });
filters
Disadvantage of using filters & hooks multiple times
Creating a program should be a balanced on how the efficiency of the code work and how easy for future maintenance. For programming efficiency, both style 1 and style 2 of your code is not make a huge impact much. Because of in nowaday PHP, it converts the code into the bytecode only one time, … Read more
Trouble using remove_filter to override function in parent theme
A Note on Priorities Note that if you’re trying to remove a function using remove_action() or remove_filter() and the function has had a priority assigned to it, you must include the priority when removing it, or it won’t work. So if the function in the parent theme looks like this: <?php function parent_function() { // … Read more
the_excerpt filter doesn’t work as expected
Generating the excerpt is quite a jumble of filters, so it’s difficult to see precisely what is happening, but here is my guess: WordPress attaches a default filter (see line 148) to get_the_excerpt, namely wp_trim_excerpt. As you can see from the latter function’s source code, it starts with getting the content if it gets passed … Read more
get_post() containing gallery is outputting an unmatched closing div at the end of the content
If you look at the gallery shortcode function the opening div (to match that closer you’re missing) looks like this: $gallery_div = “<div id=’$selector’ class=”gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}”>”; then this filter is run $output = apply_filters( ‘gallery_style’, $gallery_style . $gallery_div ); More than likely there’s code somewhere in your theme or a plugin that’s messing … Read more
Apply filters with multiple filters
The way apply_filters() works is that the developer provides a name for the filter, and the value that can be filtered. This lets other code modify that value by adding a filter. In addition the value, however, apply_filters() can also pass additional values to hooked functions so that they can be used inside the filter … Read more
Is it possible to bind a function to a filter hook via Ajax?
Is it possible to bind a function to a filter hook via Ajax? No, because page requests are self contained. When you request something from PHP, everything gets loaded from a fresh clean slate. At the end of the request, that slate is discarded. This is different from say a Node application that is always … Read more
Contact Form 7 Custom Validation Doesn’t Get Called [closed]
First of all if you are already checking if the field is empty with that function, there’s no need to use * in the backoffice [email* your-email]. In any case, it’s not working because is_required()executes first than your function. Solutions: 1) Remove the * in the backend OR 2) Change the priority // From 20 … Read more
Is it possible to apply_filter on a wp_ajax_ action?
The question is: Is it possible to hook with apply_filters or add_filters on their function, manipulate it adding HTML to that page? apply_filters and add_filter() do two separate things. apply_filters allows a value to be filtered by add_filter(). This means that if the original code is 3rd-party, you can only use add_filter() if that code … Read more
Add filter for specific post type only
There’s a couple ways you could handle this. Option 1 Check the global $post object Inside your filter you may be able to check the current $post object or other Conditional Tags for a specific type. function my_super_filer_function6( $args ) { global $post; /* Check against the current post object */ if( empty( $post ) … Read more