A function is a sequence of program instructions that perform a specific task. It is packaged as a unit that can be used wherever the according task should be performed.

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1
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1answer
189 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 ...
0
votes
1answer
47 views

Checking for existence of a page by title?

I'm currently working on a plugin, and I essentially want to check if a certain page has been created. Essentially, I want to do something like this: if (file_exists($file)) { $exists = ...
0
votes
1answer
2k views

Ajax call always returns 0

I have a problem with AJAX returning 0 always! I have done everything by the book and can't figure out what is wrong? Please help!! Here is my Ajax call: //Pass data through AJAX var ...
0
votes
3answers
569 views

How can I show my latest tweet in my wordpress blog?

How can I show my latest tweet in my wordpress blog? in functions.php not use any plugin
-1
votes
1answer
181 views

get_footer can't find any variables set in functions.php

footer.php can't find any variables I set in functions.php, I've tried a global (urggh) and object array like so: $foo = (object)array("bar" => "test text"); It works within page template, just ...
-2
votes
1answer
403 views

How can I json_encode the output of my function?

How can I json_encode the output of this function I use to get all attached images of a post? <?php function get_all_images($postid=0, $size='bigger', $attributes='') { if ($postid<1) ...
6
votes
4answers
3k views

Import Wordpress XML File from Within Functions.php

I am developing a theme which has a different method of adding in content and so, the default install of Wordpress won't show any content because of this. I was wondering if it is possible to ...
7
votes
3answers
612 views

Order posts (across the whole site) by metadata date

My custom 'Home' page is set to sort my custom posts via the custom date field with this (updated to be custom named) code in functions.php: // sort order for home page add_action('wp', ...
3
votes
3answers
2k views

Forcing all posts associated with a custom post type to be private

Does anyone know of a way to add code to the functions.php file which will automatically force all posts belonging to a custom post type to be "private" and/or "password protected" with a default ...
0
votes
3answers
1k views

Removing Unnecessary Text from Admin Menu without CSS

I am looking for a way to remove all the unessesary text from default worpdress metaboxes. Preferably I would like to ensure that the content is not just hidden through CSS but actually removed from ...
5
votes
3answers
3k views

Passing arguments to a admin menu page callback?

Situation: I'm working on a plugin and I'm developing it as a class, everything worked fine until I run into this situation. I wanted to make things a bit cleaner and tried this.. class MyPlugin { ...
5
votes
5answers
2k views

Is it possible to rename a post format?

Since WP 3.1, it's been possible to use Tumblr-style post formats. I want to use the 'aside' option in a theme, but I want it to have a different title in the WP admin area. So, for example, when a ...
3
votes
1answer
2k views

How to create thumbnails for PDF uploads?

I'm developing a website that needs to allow users, within Gravity Forms, to submit a PDF file and have a JPG thumbnail created of the first page of the PDF that is then displayed in the created post. ...
3
votes
2answers
2k views

Excluding iPad from wp_is_mobile

I am eperiencing a very annoying problem. I built my website with media queries and is_mobile (thinking is_mobile would be the same as smaller screens. How foolish of me.) but after some testing ...
3
votes
1answer
266 views

Restrict users from editing post based on the age of the post

How can I restrict users (based on Capabilities) from editing their published posts after a custom amount of time. For instance, a user that can publish_posts (authors) can not edit a their post if ...
1
vote
2answers
734 views

Using Default WordPress Custom Header Image Crop Feature in a Post Type / MetaBox

I am not sure how many of you have experimented with the new custom header image functionality of wordpress 3.0 but its actually very cool (enabled by adding the function to your functions.php file). ...
0
votes
2answers
644 views

How to detect first visit of a user?

I want to build an alert for users who visit my WordPress blog. Is there a conditional function like is_home() to detect if someone visits the blog the first time? I want to send the alert to every ...
7
votes
4answers
2k views

How to load parent_theme functions.php before child_theme?

I got the problem that i have to load my parent theme's functions.php file before my child theme's functions.php file loads. This is needed for the setup & init procedure. I looked at the hooks ...
5
votes
4answers
2k views

Is it possible to remove the “standard” post format?

I'm using post formats heavily on a project, but have no current need for the standard option. Beyond being an unnecessary bit of UI, it actually causes broken behavior if it does get mistakenly ...
5
votes
1answer
4k views

remove links from images using functions.php

I am looking for a way to remove the attachment link from images in the post content. I would like to add this to the functions.php in my theme. I know you can disable this in the post on a per ...
2
votes
2answers
3k views

Adding a second email address to a completed order in WooCommerce

Before I ask this question, I know there is a (legitimate) hesitation to answer questions here about Woo products since they have their own support and their users should be encouraged to use that. I ...
1
vote
1answer
502 views

How to add an export function to a custom Option Theme Page

I'm creating a new Wordpress template and I have a question: I've added a custom Option Page to my new template (you can see what I'm doing Here and Here) but now I would like to add a new function. ...
0
votes
2answers
1k views

How do I redirect upon login a specific user based on role?

I'd like to force a user to a specific page upon login based on their role using if ( current_user_can('contributor') ) and the main login function function wp_loginout($redirect = '', $echo = ...
12
votes
6answers
15k views

remove empty paragraphs from the_content?

Hey guys, I simply want to prevent the creation of empty paragraphs in my wordpress post. That happens quite often when trying to manually space content. I don't know why this doesn't take effect? ...
3
votes
2answers
2k views

Add multiple custom fields to the general settings page

What I would like to do is to add a few custom fields to the general settings. This is the code that Im using. It works allright but I just cant figure how to add more fields. I would like to create ...
3
votes
1answer
2k views

Possible to search by author name with default WordPress search function?

I realize improving WordPress's search function is a huge can of worms, but the ONLY additional thing I need it to do is to show results when I search for an author's name. For example, if we have an ...
2
votes
1answer
2k views

plugins_url vs plugin_dir_url

Im seeing WordPress plugins either use plugins_url or plugin_dir_url when creating constants to some of their folders. Is one better than the other? examples: define( 'MEMBERS_URI', trailingslashit( ...
2
votes
2answers
2k views

How do I “unhook” / de-register jQuery so that it's not called as part of wp_footer();?

I need to "unhook" jQuery from my wp_footer() ... it's being called automatically and I'm looking for something I can add to functions.php which prevents it from being called a second time in the ...
2
votes
2answers
831 views

Add class to Categories Widget

I have a few default widgets which I am using in a custom sidebar and I'd like to edit its output in my functions.php file. Currently the categories widget and blogrolls are generating an unordered ...
2
votes
3answers
839 views

How to add .htaccess code through a function?

I need to add the following .htaccess code through a function <IfModule mod_deflate.c> # Insert filters AddOutputFilterByType DEFLATE text/plain AddOutputFilterByType DEFLATE text/html ...
2
votes
1answer
1k views

How do I display a tag cloud with both post tags AND a custom taxonomy?

Using wp_tag_cloud(), how can I display a single tag cloud that incorporates both regular post tags and a custom taxonomy?
1
vote
1answer
2k views

Change ul class=“children” for wp_list_pages?

Hello I'm using this code to print a list of Pages and Subpages: <ul> <?php wp_list_pages('title_li=&depth=2&child_of='); ?> </ul> It outputs: <ul> ...
1
vote
1answer
322 views

Add custom image sizes to media uploader

I want to add custom image sizes to the media uploader: In order to do this, I use the following code (comments are there for convenience): // this function adds the custom image sizes to the ...
1
vote
3answers
340 views

Delete post revisions on post publish

Is it possible to delete post/page revisions from the database when a post/page is published? 11/05/12 Answer: See the plugin below by bueltge I want to do this on a site with 5,000 posts and ...
1
vote
1answer
611 views

Passing variables to templates (alternatives to globalizing variables)

I want to make my WP code simpler (there's some mess within header.php, page.php etc.). So, for example, I want to set something like this global: $foo = get_option('foo'); So $foo will work ...
1
vote
1answer
3k views

Is it possible to remove the main rich Text box editor?

I am using the simple fields plugin to provide additional rich text editors and have no need for this 'main' text editor box on any of my 'page's I have tried the following code in my functions.php: ...
0
votes
2answers
2k views

Wordpress wp_head() crap

I know, wp_head() is important, but it inject so much crap into the header, i like to get it out... and just add manually the 2-3 line of code i need.. BUT, and there is always a but, i need the ...
5
votes
2answers
1k views

Modify Admin Bar Link

Starting on line 474 of /wp-includes/admin-bar.php there is a function that is declared as the following: function wp_admin_bar_new_content_menu( $wp_admin_bar ) What it does it generates the + New ...
4
votes
2answers
504 views

Removing default image size list in Media Box

I trying to remove unused image size (Thumbnail, Medium, Large) in MediaBox Any function can i use in functions.php ? or some trick ? PS : I know i can use jQuery trick but any better function to ...
3
votes
1answer
2k views

How to export comments in WordPress?

I want to export my comments to Excel, PDF or Word. The format really doesn't matter, I just want them exported. I tried the Export Comments plugin, the standard one, but couldn't get it to work, I ...
3
votes
1answer
5k views

Add custom template page programmatically

I'm trying to add template page from a plugin,and my template page is in this plugin folder.Is this posible?Here is my code: global $user_ID; $new_post = array( 'post_title' => 'Test ...
2
votes
2answers
650 views

Auto close (hide) custom metabox / set default state

I am using the WordPress function add_meta_box() to add my own custom metabox. So how can I auto close/hide on page open ? Currently, I just add a CSS class closed to metabox's <div> element ...
2
votes
3answers
15k views

How to set and use global variables? Or why not to use them at all

UPDATE: My original question has been solved, but this is turning into a valid discussion about why not to use global variables, so I am updating the question to reflect that. The solution was ...
2
votes
1answer
2k views

Add container to nav_menu sub menu

Is there a way I can wrap a div around wp_nav_menu's ul.sub-menu So for example the markup would go from <ul class="menu"> <li><a href="/">Item 1</a></li> ...
2
votes
2answers
533 views

Best way to programatically add “rel” attributes to page and post images

For single posts and pages, I would like to add certain rel attributes to all the images on the contained therein added with the "Add Image" functionality on the edit screen. The attribute would be ...
1
vote
1answer
27 views

Removing user contact methods works from functions.php but not from a plugin

I'd like to remove user fields and I used this code: add_filter( 'user_contactmethods', 'newfields' ); function newfields( $user_contact ) { unset($user_contact['facebook']); ...
1
vote
2answers
351 views

Make WordPress size and name images for Retina.js

I'm a huge fan of the way retina.js works for high pixel density displays. Essentially, when it's loading image assets (via <img> or css image) it will check if there's a @2x suffix version of ...
1
vote
1answer
62 views

Unregister Nav Menu with fallback?

I am trying to create a child theme so theme updates are much easier. I want to remove the parent theme menus and add my own. I know I can modify the header.php file (where these menus exist) and ...
1
vote
1answer
603 views

Need to add class=“lightbox” for every single post image

I got a theme that has lightbox built in, but only for galleries and featured images, not single images. It just needs to have class="lightbox" added to the images source. I'd like a simple function ...
1
vote
1answer
194 views

Target a certain page within wordpress backend (admin) i.e. Pages > About

How can i progammatically see if the page that is currently open in the wordpress admin is 'About-Me'; I wish to run specific functions depending on the page the user is editing in the ...