filters - Read For Learn

How to remove the post pagination (Next page tag) depending on type of traffic source: from utm_campain or non-utm_campain

So, I found the decision: add_action( ‘the_post’, ‘campaign_remove_nextpage’, 99); function campaign_remove_nextpage ( $post ) { if (($_GET[‘utm_campaign’]== ‘Facebook’ || $_GET[‘utm_campaign’]== ‘Twitter’) && (false !== strpos( $post->post_content, ‘<!–nextpage–>’ )) ) { } else { $totalArticlesPages = substr_count($post->post_content, ‘<!–nextpage–>’); // Google: not paginated // Direct: not paginated // Camp: paginated // Reset the global $pages: $GLOBALS[‘pages’] = … Read more

Admin view: filter posts by whether they have specific taxonomy attached

After a lot of fiddling I managed to get the functionality working. First I add custom dropdown boxes for ‘Regional’ and ‘International’ using wp’s action restrict_manage_posts. Then I set up a custom function that will be added to wp’s filter parse_query. In that function: // type is the name of the select field if($_GET[‘type’] == … Read more

Change add_filter based on Ajax

How to make the show as a button?

Try doing something like wp_link_pages( array(‘before’=>'<button>’, ‘after’=>'</button>’) ); It should work!

Put data in my-account/view-order/id/ page

add_action( ‘woocommerce_view_order’, ‘before_woocommerce_order_details’, 5 ); function before_woocommerce_order_details($order_id){ $order = new WC_Order($order_id); echo “Order Status : “.$order->get_status(); }

Auto-generated excerpt with shortcode and read more button/text link

If you take a look at the source code of get_the_excerpt you see that there actually two arguments passed to the filter: the excerpt text and the post object. Your are only passing the text, while you need the post object to know the permalink. So you should change these lines: add_filter(‘get_the_excerpt’, ‘my_custom_wp_trim_excerpt’, 99, 1); … Read more

How can I add a prefix to titles displayed in sidebar using function.php?

you can filter widget titles by adding below filter : add_filter (‘widget_title’, ‘custom_title’); function custom_title($oldtitle) { //manipulate $title as per your need $title = explode(” “, $oldtitle,2); $titleNew = “<span>”.$title[0].”</span>.”$title[1]; return $titleNew; }

How to filter wp_get_recent_posts() to only posts that have thumbnails?

You can pass arguments to pass meta_query to your wp_get_recent_posts() function. wp_get_recent_posts() makes call for get_posts(), so you can make use of all the arguments get_posts() or WP_Query uses. As per your need. $args= array( ‘meta_query’ => array(array(‘key’ => ‘_thumbnail_id’)) ); $recent_posts = wp_get_recent_posts($args); Along with other arguments you want to pass to your function. … Read more

using filters on the function from class

If this is your own class that you’re doing this for, and can modify it, then you could pass the instance of the class as an addition argument to the filter callbacks: class Foo { …constructor, etc. function to_filter() { $output=”<div class=”wrap”>”; $output .= $this->another_function(); $output .= more html return apply_filters( ‘to_filter_name’, $output, $this ); … Read more

Filter on the day of the week from timestamp

This answer may help someone who really wants to customize their filters. With PhpStorm and breakpoints I could walk through how the meta_query is constructed before posts are fetched. There are no hook points in the flow that let developers accomplish this; I’ve used a SQL-injection trick to achieve the filter. // Do advanced SQL … Read more

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