filters - Read For Learn

Get_template_part inside filter?

You can use output buffering to get the template output and return it in place of the emptied shortcode content: if ($pos !== false) ob_start; get_template_part(‘content-gallery.php’); $contentgallery = ob_get_contents(); ob_end_clean(); return substr_replace( $content, $contentgallery, $pos, strlen($shortcode[0]) );` } EDIT It might make it easier to just replace the gallery shortcode? remove_shortcode(‘gallery’); add_shortcode(‘gallery’,’my_content_gallery’); function my_content_gallery() { … Read more

What is the action hook to use if you want to capture the new password during password change?

I have been looking around the core files searching for hooks, there were very few when it comes to hooking into edit_user() function which updates the user data in profile.php page, so I have finished with some workarounds: My workaround is to save the user’s password in a custom option before the password was updated, … Read more

Admin: how to make a custom list filter button send GET queryvars

Thanks to @cybmeta I was able to solve my issue. Below I post all the relevant code. Keep in mind it refers to a ‘distributor’ custom post type that uses 4 custom taxonomies (‘italy’,’france’,’spain’,’world’). // add columns function add_distributor_columns($table_columns){ $area_column = array(‘area’ => ‘Area’); $macroarea_column = array(‘macroarea’ => ‘Macroarea’); // put them on the right … Read more

Want to use wp_get_current_user() in query filter

since the query filter is “applied to all queries (at least all queries run after plugins are loaded)” as stated here in the wordpress codex you should do a further test to make sure that you are in the query you want to be. Perhaps a certain query or queries is/are run before the one(s) … Read more

How to include add_filter() in a condition based on $post data

When using anonymous functions in filters you will be unable to remove them later: Important: To remove a hook, the $function_to_remove and $priority arguments must match when the hook was added. This goes for both filters and actions. No warning will be given on removal failure. Source.

Create new custom field that calculates age

In order to be able to query by age, you will need to create another custom hidden field to store the date. You can then hook into the acf/save_post hook with a priority higher than 10 in order to update the age field value whenever the field is created/updated. Here is a gist of the … Read more

Register new user, assign custom role then send email

TO really fit your needs, I think it’s better to rewrite some part of wp_insert_user() function, some part can interrest you $user_email = apply_filters( ‘pre_user_email’, $raw_user_email ); And : $illegal_logins = (array) apply_filters( ‘illegal_user_logins’, array() ); if ( in_array( strtolower( $user_login ), array_map( ‘strtolower’, $illegal_logins ) ) ) { return new WP_Error( ‘invalid_username’, __( ‘Sorry, … Read more

How to access page variable inside action hook

There is method on product class that is called is_on_sale() which actually determines if the product is on sale or not. You can access it from global $product variable. And must echo the do_shortcode. So the whole code will be like- add_action(‘woocommerce_single_product_summary’,’add_product_signup’, 10, 2); function add_product_signup() { global $product; if( $product->is_on_sale() ) { echo do_shortcode(‘[contact-form-7 … Read more

WooCommerce coupon hook argument NULL when using filter woocommerce_get_shop_coupon_data

You need to tell add_filter how many arguments it accepts (2) example: add_filter(‘woocommerce_get_shop_coupon_data’, array( $this, ‘filter_woocommerce_get_shop_coupon_data’ ), 10, 2 ); Be sure to enable WP_Debug – http://wpexplorer-themes.com/total/docs/enabling-wp-debug/ – on your server, because you should have gotten an error when trying to do this without the added argument. Also I highly recommend using static classes when … Read more

Remove get_template_part() from custom theme

you could do it the opposite way: <?php if ( !is_page(‘blog’) ) { get_template_part(‘the’, ‘blog’); } ?> this would make it show up on all pages but the blog.

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