filters - Read For Learn

mu-plugins body_class filter not working

List all image sizes still getting disabled sizes

Have a look into the get_intermediate_image_sizes function code solves your question: /** * Gets the available intermediate image sizes. * * @since 3.0.0 * * @global array $_wp_additional_image_sizes * * @return array Returns a filtered array of image size strings. */ function get_intermediate_image_sizes() { global $_wp_additional_image_sizes; $image_sizes = array(‘thumbnail’, ‘medium’, ‘medium_large’, ‘large’); // Standard sizes … Read more

Remove the post_content search from WHERE clause (and CONCAT sql function)

First look how complex is your preg replace. Usually, you may get into errors with that. NODE EXPLANATION ——————————————————————————– / “https://wordpress.stackexchange.com/” ——————————————————————————– \( ‘(‘ ——————————————————————————– \s* whitespace (\n, \r, \t, \f, and ” “) (0 or more times (matching the most amount possible)) ——————————————————————————– post_title ‘post_title’ ——————————————————————————– \s+ whitespace (\n, \r, \t, \f, and ” … Read more

Modify Default URL for /wp-includes/js/wp-emoji.js?ver=4.6.1

Filter WordPress Archive Widget to exclude posts with specific custom taxonomy term id

This would probably be best done using a custom WP_Query as opposed to a filter. So say your site is about plants but you don’t want this custom archive to show posts where you have your plant custom taxonomy set to weeds: $args = array( ‘post_type’ => ‘post’, ‘tax_query’ => array( ‘taxonomy’ => ‘plants’, ‘field’ … Read more

Hook inside a hook

OK, so the new_to_publish hook is probably not the right hook to use here. The status_to_status hooks run during a posts transition from the first status to the second. By this stage, the editor is no longer in play. If my understanding of the_editor_content is correct, this filters the default content displayed in the editor … Read more

Can’t set properly WordPress add_filter function

Here’s the solution! function woocompare_button_icon( $html, $classes, $id, $nonce, $text, $preloader ) { return sprintf( ‘<button type=”button” class=”%s” data-id=”%s” data-nonce=”%s”><i class=”fa fa-heart-o” aria-hidden=”true”></i> %s</button>’, implode( ‘ ‘, $classes ), $id, $nonce, $text . $preloader ); } add_filter( ‘tm_woocompare_button’, ‘woocompare_button_icon’, 10, 6);

What action/filter can be used for modifying the page to be rendered?

‘the_content’ Filter delivers empty string with lengh (608)

It was an presentation issue as the content was injected by another plugin and it was an HTML comment “” and this Text will not be shown by an echo or even an print_r() or var_dump()

Filter posts by categories ajax is showing all the posts

In your code, I have found 2 issues: 1) In your ajax function ajax_filter_get_posts(), you have missed tax_query in your arg. Your ajax function ajax_filter_get_posts() should be as below: function ajax_filter_get_posts( $taxonomy ) { // Verify nonce if( !isset( $_POST[‘afp_nonce’] ) || !wp_verify_nonce( $_POST[‘afp_nonce’], ‘afp_nonce’ ) ) die(‘Permission denied’); $taxonomy = $_POST[‘taxonomy’]; // WP Query … Read more

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