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

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1
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4answers
7k 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 ...
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 ...
1
vote
2answers
323 views

How can I find out what an `apply_filter` call is actually doing?

As an example, I'm looking at class-wp-xmlrpc-server.php and there's a line (~115) that says: $this->methods = apply_filters('xmlrpc_methods', $this->methods); How can I actually find out ...
0
votes
1answer
153 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. :)...
0
votes
2answers
837 views

Wordpress 3.5+ upload tool filter

i would like to use the brand new wp's upload tool in a personnal theme options page. I found a lot of tutorials like : wp media uploader in plugins ...and it works very fine. But i'd like to filter ...
6
votes
2answers
3k views

Earliest hook to reliably get $post/$posts

What's the earliest possible action I can hook into where I'll be able to access the global $post/$posts variables on both the front and back ends? I've tried looking through the Codex reference, Adam ...
3
votes
1answer
631 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. ...
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

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 ...
2
votes
2answers
3k 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
1answer
307 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 ...
1
vote
2answers
3k 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
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
832 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, ...
1
vote
2answers
2k 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
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', strtotime("-...
0
votes
1answer
833 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', ...
0
votes
1answer
136 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
1answer
509 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
527 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', '...
7
votes
1answer
11k views

Removing Image and Caption Dimension Attributes

This question is an offshoot from the this discussion on removing dimension attributes from images. The solution code provided on that thread works very well except that it has the unfortunate side ...
17
votes
4answers
12k views

How to know what functions are hooked to an action/filter?

Is there a way to know what functions are hooked to a particular hook? For example if I'd like to know what functions are hooked to the wp_head hook.
15
votes
2answers
25k 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 ...
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 ...
10
votes
2answers
204 views

Add custom options to the wplink dialog

I managed to add a custom option-select for images with function attachment_field_credit( $form_fields, $post ) { $field_value = get_post_meta( $post->ID, 'first_image', true ); $...
8
votes
3answers
13k 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 ...
3
votes
3answers
6k 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 ...
8
votes
3answers
8k views

How to Pass External Variables to Filters/Actions

I find myself needing to pass custom data to a filter provided by a 3rd party plugin. All of the ways I've seen to do this are really complicated and hard to wrap my head around. Take this example: $...
6
votes
1answer
1k views

Changing JPEG compression depending on image size

Short. I want ''large' images compressed by 90%, and 'medium' to be by 60%. Has many af you know, sometimes larger images suffer from high compression, but other small images don't. This function ...
6
votes
1answer
422 views

Filter username field on registration for profanity and unwanted words

How do I add a filter to the username field to stop new users from registering using unwanted words such as administrator or general profanity? Ideally, if I could add a large list of words that are ...
5
votes
1answer
445 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
1k 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
6k 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: add_filter(...
2
votes
3answers
6k views

Moving sharedaddy buttons (in Jetpack) to the top of a post?

How would one move the sharedaddy buttons included in Jetpack to be placed before a post's or page's content, rather than after it? I see that in sharing-service.php the function that prints the ...
2
votes
1answer
266 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
560 views

Modify links when inserted by WYSIWYG editor

Is there any possibility to hook into the editor of WordPress so that if a link to an internal content is inserted via the WYSIWYG editor the post id of that linked post is added as a data attribute ...
6
votes
1answer
350 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 ...
4
votes
1answer
5k 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 ...
4
votes
1answer
13k views

Add custom menu item using wp_nav_menu_items filter

I have added a snippet to add a "Profile" link to my website navigation menu. My code: add_filter( 'wp_nav_menu_items', 'my_nav_menu_profile_link'); function my_nav_menu_profile_link($menu) { ...
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 ...
3
votes
1answer
659 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 ) { ...
1
vote
1answer
4k views

Customize user account activation message

During the process of a user creating a new account, once they click on the link in the activation email, they receive the message on the login page: Your account is now active! Username: ** ...
1
vote
2answers
950 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 ...
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 do....
1
vote
1answer
536 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 ...
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 ...
-1
votes
4answers
16k views

Is there any multiple filter/criteria plugin for wordpress? [closed]

I'm interested in a wordpress plug-in that is able to make from tags or categories multiple search criteria like left hand side of the following site system http://www.olx.com/dvd-cat-238 When one of ...
7
votes
1answer
706 views

Assign a Class to the Current “Tag” for Formatting

Essentially what I am hoping to replicate is something like the "current-menu-item" class that is applied to WP Menus. My client is wanting to use Tags as a sub-nav, and I've managed to get the tags ...
5
votes
1answer
192 views

Add quick edit fields without custom colum

This question is a follow up on that answer I wrote. Let's say I want to add something to the quick edit box for the Posts post type list table. To do so, I have to add a custom column because of the ...
5
votes
2answers
14k views

Filter WP_Query for posts having a certain meta-value

How to filter WP_Query for posts having a certain meta-value, without using a Custom Select Query? I have a custom posttype with meta-key: "open", and meta-value options: "yes" or "no". I would like ...