$post is undefined in your filter. You need to explicitely invoke the $post global inside your filter function to have it available. You must remember that variables (even global variables) outside a function will not be available inside a function, that is how PHP works. You actually do not need to use the $post global, … Read more
I’m not exactly sure what you’re trying to accomplish but this won’t work because your trying to use or call the function that is declared in the parent theme instead of replacing it with a new function. I’m not sure if replacing a function in the child theme would work either. Maybe someone else can … Read more
It is not (easily) possible to interfere with PHP include. What you can do in general is: Fork a function (create your own copy under different name) remove_filter() the original function add_filter() of your function in its place However that can get impractical very fast. If the file being loaded makes sense to be customizable … Read more
You’re adding the action on comment_form_before_fields in comment_form_logged_in_after. The latter is called only when the user is logged in, and the former is only called when the user is not logged in. You can add WordPress actions and filters at any time after WordPress is initialized. If you’re adding the action in a plugin, add … Read more
There is no clean way to filter whole sidebar and such, but then that’s not what you really need. The calendar widget (assuming you mean native one) uses get_calendar() function, which passes result through get_calendar filter. It would be preferable to filter its queries, but from quick look at the code they seem highly messy … Read more
You should never change a core file. This message is called by the function wp_get_attachment_link(). For this singular message this function does not apply a filter, but it return the string as value, which can help. You can simple identify where in your theme this function is called and change it return, like: $result = … Read more
If you check out the source of WP_Customizer, you’ll see there is no title_tagline or header_image at the time the filter runs: final class WP_Customize_Manager { protected $components = array( ‘widgets’, ‘nav_menus’ ); public function __construct() { // a bunch of requires $components = apply_filters( ‘customize_loaded_components’, $this->components, $this ); } } Use the customize_register hook … Read more
Check the documentation of add_filter() first argument is name of filter and second one is callback function name. (both are required) See the example for your case:- add_filter(‘bimber_facebook_sdk_src’, ‘change_fb_sdk_url’); function change_fb_sdk_url($current_url) { // Variable $current_url hold the current value of URL // You can manipulate what you want // Or simply return your URL return … Read more
<?php $string = ‘Sentence 1. Sentence 2? Sentence 3! Sentence 4… Sentence 5… Sentence 6! Sentence 7. Sentence 8. Sentence 9… Sentence 10… Sentence 11. ‘; $sentences_per_paragraph = 3; // settings $pattern = ‘~(?<=[.?!…])\s+~’; // some punctuation and trailing space(s) $sentences_array = preg_split($pattern, $string, -1, PREG_SPLIT_NO_EMPTY); // get sentences into array $sentences_count = count($sentences_array); // … Read more
@Dan meant this: <nav role=”navigation” itemscope=”itemscope” itemtype=”http://schema.org/SiteNavigationElement”><?php wp_nav_menu([ ‘container’ => ”, ‘items_wrap’ => ‘<ul>%3$s</ul>’, … ]); ?></nav>