A type of hook that provides a way for content to be overridden programatically

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2
votes
2answers
1k views

How to use filter hook 'post_updated_messages' in coherence with action hook 'save_post'

I am trying to send out e-mail, SMS and IM notifications to group members of this WordPress website, whenever a WordPress page in their user group has been published/updated. I figured using the ...
2
votes
8answers
11k views

Filter get_categories() for taxonomy term in WordPress

I want to show a category only if a (custom) post is in that category AND region = $name for that post. So, e.g. I have a custom post (type "business") named "Mamma Mia" in child-category: ...
0
votes
1answer
895 views

How to display a shortcode caption somewhere other than the_content

I want to disable shortcode captions for posts in one of my themes, and display the content elsewhere, such as in a sidebar. The images aren't uploaded to wordpress, but they're linked-to using the ...
3
votes
3answers
2k views

Loading template files from a subfolder in my theme?

I am working on a site that will have up to 30 templates in it. I don't want to have all those templates at the root of my theme folder cluttering up everything. I know how I can modify the ...
2
votes
2answers
511 views

Add class to before_widget for all widgets with a dropdown and a counter

Some predefined widgets offer the option to use a select element (dropdown) and/or a counter after each entry. How can I add the CSS classes widget-with-dropdown or widget-with-counters to these ...
2
votes
2answers
7k views

remove_filter( 'the_content', 'wpautop' ); only for certain post types

I want to try and remove automatic <p> tag and <br> tag addition for my custom post type. It looks like remove_filter( 'the_content', 'wpautop' ); will do this, but how would I make ...
2
votes
2answers
13k views

how to display post content without post image?

i've implemented a jQuery gallery for displaying several images within a post. the problem is that the_content(); also displays the post image. any ideas how to filter it? thanks
1
vote
2answers
2k views

Conditional add_filter?

I need to apply an add_filter from my functions.php but only if the user has opened media-upload.php from my custom function. Is it possible to send a variable when opening media-upload.php that I ...
0
votes
4answers
6k views

Programmatically Add Font-Awesome Icons to Category Widget

I use the Categories widget on my sidebar(s) and I would like to display a Font Awesome icon next to each category listed in the widget. The icon would be the same for all categories, for now, but I ...
0
votes
1answer
145 views

How-to inspect filter-able $vars?

Note: This is more of a tutorial/wiki than a real question and should be a reference for later Questions. If you got something to add, please feel free to add an answer. Working answers get upvoted. ...
3
votes
1answer
547 views

How to apply a class to the second word in menu list item?

I want to apply a class to a word in my menu. For example, say I have a list item in my menu called "My Item". I would like to apply a class to the word "Item" so that I can style it anyway I want. ...
3
votes
3answers
2k views

How do I filter the excerpt metabox description in admin?

I want to change the default "Excerpts are optional hand-crafted summaries of your content that can be used in your theme. Learn more about manual excerpts." help text below the Excerpt input area to ...
2
votes
1answer
237 views

Am I using the right hook for removing quicktags on the admin TinyMCE?

This is more of an excercise than something for a client. Anyway, I'm trying to disable the quicktags when you're on the dashboard and you click on Comments > Edit Comment. On that screen, there's a ...
2
votes
1answer
1k views

How to remove or replace the log-in link for comment replies?

I need to edit the function get_comment_reply_link() in wp-includes/comments-template.php. All I really wanna do is take out the "log in to reply" text is puts in every comment for logged out users ...
2
votes
2answers
2k views

How to remove “Taxonomy name:” from wp_title

The wp_title-generated <title> in my custom taxonomy archive pages contains the singular taxonomy name with a colon. I can't figure out where this is coming from (or if it's default Wordpress ...
2
votes
2answers
2k views

Get password when user registers and save it sha1 into database

im working on a website where the users can connect with iphone to some functions of it by using a sha1 encrypted password. In other words the plain password of wordpress encrypted in sha1. In the ...
1
vote
2answers
2k views

How to replace the_post_thumbnail template tag and show the first inside the post image instead

I want WordPress to return the first post image or a default image if no featured image has been set. My theme uses the_post_thumbnail many times, so I don't want to go through and change all ...
1
vote
2answers
3k views

What is the filter hook for custom fields content?

The following code hides "the_content" output add_filter( "the_content", "cp_module_pcontent_post_content" ); function cp_module_pcontent_post_content($content){ global $post; ...
1
vote
1answer
201 views

Change comments form title on a page by page basis

I'm looking to change the comments form title (my theme defaults this to "Leave a Comment" or "Leave a reply to"). I thought perhaps I could add a hook to comment_form_defaults but my snippet below ...
1
vote
2answers
3k views

How do I filter title and alt attributes in the gallery shortcode?

I am displaying a post gallery inside a custom post type, using the following in my single-custom.php template: <?php echo do_shortcode('[gallery id="'.$post->ID.'" link="file" columns="5" ...
1
vote
2answers
825 views

How to apply content filter permanently?

I have the following temporary filter to fix a content error. We have data in our posts that have 4 digit zip codes, because the leading zero was cut when the original file was created. (For instance, ...
0
votes
3answers
88 views

Add review box by function at top or bottom of content

Filter add_filter( 'the_content', 'sandy_posts_filter' ); function sandy_posts_filter( $content ) { global $post; $review_box_pos =get_post_meta( $post->ID, ...
0
votes
1answer
70 views

Pass A Value From Outside To A Plugin Variable

Is there a way to pass a custom variable value from outside like from functions.php to a plugin's variable? Lets say that I have the following function defined in a plugin. function plugin_funct(){ ...
0
votes
1answer
1k views

How to add a custom filter in functions.php

I have been through the Wordpress codex but I can't figure out how to write a filter. I would like to use a filter called: 'wpseo_sitemap_' . $filter . '_change_freq'. It expects you to return one of ...
0
votes
1answer
377 views

Debug output during filter execution doesn't work

I'm working on my first Wordpress plugin and am working on my first Custom Post Type. I'm looking to provide some debug output so I can see what kind of data I have to work with. I have the following ...
0
votes
2answers
489 views

Help debugging PHP filter for wordpress [closed]

I have a PHP filter for wordpress/gravityforms, that just recently stopped working and I can't figure out why. Can anyone help me? Here's the code: add_filter('gform_pre_submission_2', ...
0
votes
1answer
125 views

Search with filters and title

I would like to search in custom_post by title and by the ACF fields. So, I used the WP_Query WordPress function but I can't filter by the title, just by the filters. When I submit my form, I have ...
0
votes
2answers
2k views

Using dynamic conditions in 'posts_where' filter

I have the following code which gives be posts that are published in the last 100 days function smbd_cats_by_days ($where = '') { $where .= " AND post_date < '" . date('y-m-d', ...
0
votes
1answer
791 views

How to prepend text to the_content, but after img/shortcode

I was trying to add some text to the beginning of every post (the text comes from post_meta, but for this example let's assume it's static text). Here's what I tried: add_filter('the_content', ...
6
votes
2answers
8k views

Trouble understanding apply_filters()

In apply_filters() apply_filters( $tag, $value, $var ... ); I'm having trouble wrapping my head around the $value and $var. I read the codex and it sounds like the $value can be modified, $var not, ...
12
votes
2answers
21k views

WordPress hooks/filters insert before content or after title

trying to insert content before the post content in my functions.php - I know how to use the regular wp hooks, but unsure how to insert into other areas. Tried this, but it kills content on any other ...
5
votes
3answers
20k views

How to reorder billing fields in WooCommerce Checkout template? [closed]

I'm creating a madlib style checkout form using WooTheme's Customizing checkout fields using actions and filters. Billing fields in the checkout template form-billing.phpare displayed with this ...
2
votes
1answer
4k views

add_filter to youtube embeds?

hey guys, when posting a youtube video link in the backend (in a post or a page) wordpress is automatically creating the embed code for me. Is it possible to add a filter to that? I'd love to change ...
0
votes
1answer
2k views

remove other tabs in new wordpress media gallery

I recently updated my WordPress site into the latest WordPress version, and i added a code to my functions.php that would add a capability to subscriber to upload using WordPress media upload. I ...
8
votes
3answers
11k views

apply_filters() and the_excerpt are giving unexpected results

I feel like I must be missing something pretty obvious, here, but I can't seem to get WordPress to cooperate. I'm generating Facebook OG tags with a function. Everything works fine, except for the ...
2
votes
3answers
5k views

Removing any and all inline styles from the_content()

For one of my current projects, I had to transfer blogposts from an old Wordpress site to my project. Things went smoothly until I've seen that all the posts were copy pasted from Word, leaving this ...
5
votes
1answer
381 views

post_mime_types Filter not Working in List Mode

I'm using the following code to add new sorting options to my Media Library: function modify_post_mime_types( $post_mime_types ) { $post_mime_types['application/pdf'] = array( __( 'PDFs' ), __( ...
3
votes
3answers
982 views

Filter to modify post_title after image upload?

When I upload images, Wordpress 3.4.2 sets the Title to the base of the filename, such as "DSCN1234" or "IMG_1234". I'd like the Title to be left blank. The code that sets the Title during the upload ...
3
votes
1answer
5k views

How to use the_excerpt in a filter hook?

I was hoping to process the_excerpt just like one would with the_content, but no such luck. How can I pass the excerpts of a Posts Page, through my plugin? I've tried variations on this: ...
2
votes
1answer
245 views

How to debug removal of rewrite rule flushing?

I use Custom Post Types. I try this: functions.php add_action( 'admin_init', 'flush_rewrite_rules' ); Now I’d like to remove this again. I try this: remove_action( 'admin_init', ...
6
votes
1answer
114 views

wp_headers vs send_headers. When to use each?

I've seen wp_headers and send_headers both used before for the same thing and I'm wondering how you're suppose to know which one to use and when... On the send_headers codex page there's an example ...
5
votes
1answer
243 views

Query WP REST API v2 by multiple meta keys

Using v2 of the REST API, I'm wanting to query some posts by multiple meta keys. With v1 I was able to format the url like &filter[meta_value][month]=12&[meta_value][year]=2015 and it worked ...
5
votes
1answer
4k views

Custom sortable columns ordered by meta-value?

I have no idea why my sortable function does not sort my "events" my a custom post-meta. I have a custom-post-type named wr_event… I have my custom columns set up and my post-meta is shown in the ...
4
votes
1answer
4k views

Apply the_content filter to a custom field with multiple values

I have a custom meta box set up that allows users to paste the Youtube URL of a video so that it can be embedded into a post/page. The meta box can be repeated so that a user can add as few or as ...
3
votes
1answer
535 views

How to add a “publish” link to the quick actions

I'm trying to add a "Publish" link by the quick actions: but I'm not exactly sure of how implement it. Here's what I've got so far: add_filter('post_row_actions', function ( $actions ) { ...
3
votes
2answers
2k views

What params are available with the_content filter?

I am looking for what params are passed to my filter function. Where can I find such info in the codex? http://codex.wordpress.org/Plugin_API/Filter_Reference/the_content didn't provide much info I ...
1
vote
1answer
409 views

Alter image output in content

I'm trying to implement the JAIL javascript into my WordPress install. The javascript requires me to add a data-attribute and change the output html of images. I have been looking through the codex ...
1
vote
3answers
1k views

Possible to filter the posts or categories that XML-RPC users see in their mobile application?

Is it possible to filter the posts or categories that XML-RPC users see in their mobile application? I have a plugin that hooks into pre_get_posts and list_terms_exclusions to do what I need it to ...
0
votes
2answers
675 views

How do I use the 'http_request_host_is_external' filter

I'm having a really hard time trying to use the http_request_host_is_external filter. For some background, I'm trying to set up a separate server to handle private plugin and theme updates. The ...
0
votes
1answer
2k views

Help With issue on pre_get_posts filter in taxonomy

I create a function to filter the taxonomy query with this code add_action('pre_get_posts', 'custom_taxonomy_query'); $option_taxposts_per_page = get_option('tax_posts_per_page'); function ...