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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4
votes
1answer
144 views

How to not allow users to create new tags, but allow to them to use existing ones

I want a certain role to be able to add new tags, but other users should just be able to use the text bar to search for existing tags. I know I can hide the tag bar in the sidebar, but I don't want ...
4
votes
3answers
3k views

Add class to menu items of one specific menu (nav_menu_css_class)

This code adds an extra class to all my menu items: add_filter('nav_menu_css_class' , 'special_nav_class' , 10 , 2); function special_nav_class($classes, $item){ $classes[] = 'btn'; return ...
4
votes
2answers
2k views

Enabling Sessions in WordPress 3.0

Im using a wfcart in my WordPress site but for some reason on certain pages WordPress drops the session I'm wondering if there is a way to enable sessions in WordPress 3?
4
votes
1answer
148 views

Keep one user logged for a year?

This has got to be simple: how do I keep one user - my-user - logged in for a year? (I'm checking logged in cookies in the dev tools console). Update 8/16/15 This works: add_filter( ...
4
votes
1answer
187 views

wp_set_object_terms and arrays

I need to add a category to about 2500 posts, and either need to use an SQL query or wp_set_object_terms with PHP. I'm looking at wp_set_object_terms so I can add a category and not impact the ...
4
votes
2answers
4k views

Upload Multiple Files With media_handle_upload

I have a WordPress form plugin and I use media_handle_upload to upload the files and get there ids directly and attached its ids to the post as a meta date, I used the following to did that: The HTML ...
4
votes
1answer
112 views

How to add classes to images based on their categories?

I need to be able to: 1.) assign categories to images and 2.) add classes to all images that correspond to their assigned categories. I was able to add categories to images with the following: ...
4
votes
10answers
3k views

disable WP automatically inserted line breaks after an image

I've set medium sized images to a custom size which should allow for both of the images to align horizontally within the post. (The full post width is 880px, medium images are set to 413px.) My ...
4
votes
3answers
435 views

Displaying Custom Post Types In “At A Glance” Meta Box

I found the following snippet will displays the number of Custom Post Types published in Dashboard's At A Glance widget, like this: Is there a way to turn that "81 Wrestlers" text to a link to the ...
4
votes
2answers
2k views

Hide main div if wp_nav_menu is empty

I want to hide the div class "navmain2" if the menu is empty. See code below: <!-- Start main navigation --> <div class="navmain2"> <div id="logo"></div> ...
4
votes
3answers
6k views

How do I call wp_get_current_user() in a plugin when plugins are loaded before pluggable.php?

The current result is "PHP Fatal error: Call to undefined function wp_get_current_user()" which makes sense, but doesn't help. I need to use $current_user. Here is the code I'm currently using: ...
4
votes
1answer
36 views

Paged Single Post doesn't redirect to the main url after Removing Pagination

I used <!--nextpage--> (Codex) to paginate (split) a few single posts. Now i removed all the nextpage html parts from the posts. everthing looks fine. Unfortunately the old urls like ...
4
votes
1answer
57 views

Adding a text domain to every __(), _e() and __n() gettext call without a plan to create own translations

Is it good to add a text domain as an argument to every __(), _e() and __n() gettext call such like these, even though I'm not planing to create my own translations? __( 'Post', 'my-theme' ); _e( ...
4
votes
1answer
6k 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. ...
4
votes
2answers
243 views

Notify users whenever a new post is published based on their preference

I have put together a custom registration form on my WordPress site and one of the items on the registration form is an ability to select an interest. Essentially I have the following code from the ...
4
votes
2answers
351 views

current_cat_ancestor Alternatives

It looks like adding current-cat-ancestor class to category list was proposed, but never implemented. The only way I've been able to find so far is to re-create the wp_list_categories() function ...
4
votes
1answer
3k views

Using functions from a plugin in your theme

I am a beginner to wordpress (and to php for that matter). I am trying to understand some of the basics, and building a little e-commerce store using a plugin called "Jigoshop." I'm reading through ...
4
votes
1answer
4k views

adding a filter to a shortcode?

<?php echo do_shortcode('[mingleforum]'); ?> inserts the mingle forum into my content! is it possible to use add_filter() on that?
4
votes
3answers
903 views

Dynamically add id to heading tags

How do I add an id attribute dynamically to every heading tag on a wordpress website using php? I wanted to make it so that for every heading tag (h1, h2, h3, h4, h5, h6) I have a unique id attached ...
4
votes
2answers
1k views

Build a content and excerpt grid loop with paging and options for # of posts

What I'd like to do: on index.php, a loop that shows a selectable number of full posts using the_content and then below that shows a selectable number (the number of posts can be hardcoded in the ...
4
votes
1answer
5k 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 ...
4
votes
1answer
2k views

wp_get_attachment_image returns different image size

It is a bug? wp_get_attachment_image( $attachment_id, 'post-thumb-size-small'); Same code, called in template, and in AJAX call returns same image SRC, but different image width and height. dumb ...
3
votes
3answers
2k views

How many times can I hook into the same action?

I have a theme which includes some setup, using after_setup_theme but I'd like to write my own functions which also need to run after_setup_theme. I'd prefer to keep my stuff in a separate file. Can I ...
3
votes
3answers
11k views

How to add a data attribute to a WordPress menu item

I'm Twitter Bootstrap and need to add data-toggle="modal" attribute to the a tag of menu link. Upon searching most all results reference doing a walking for Twitter Bootstrap dropdown menus however ...
3
votes
4answers
52k 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 ...
3
votes
8answers
9k views

Adding fields to the “Add New User” screen in the dashboard

I'd like to add the field "Company Name" to the add new user page in the admin panel. I've done quite a bit of searching and have been unable to find details on how to do this. I can easily add info ...
3
votes
2answers
6k views

How to detect single.php (but not single-portfolio.php)?

When I'm using is_single(); in my <head> section to add some style to website navigation it executes correctly on blog posts but it also executes on single "portfolio" post type posts (so ...
3
votes
2answers
6k views

Get the blog page URL set in Options

I have set the blog to be a different page other than the home page. I want to have a link from single.php to this blog page. Is there any function that pulls out URL for the blog ?
3
votes
2answers
11k views

Adding a second email address to a completed order in WooCommerce [closed]

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 ...
3
votes
4answers
8k views

Why isn't is_page working when I put it in the functions.php file?

I have page called "Apple", the page's ID id 2533. In page.php file I have line: echo $bannerimg And this function in functions.php: if ( is_page( '2533' ) ) { // also tested with ...
3
votes
1answer
1k views

Publish author posts only with editor approval?

I run a multi author blog and i am looking for a non plugin solution. The default author user role in Wordpress can publish posts without any approvel - look at Role Capabilities Wordpress Codex. ...
3
votes
3answers
3k 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 ...
3
votes
2answers
1k views

Advantages and disadvantages of using automatic-feed-links

What are the advantages and disadvantages of using add_theme_support('automatic-feed-links') in my functions.php file?
3
votes
4answers
3k views

How to publish a post with empty title and empty content?

Why I'm doing this you might ask? I'm developing a website for a business with a portfolio where the gallery items are posts. These posts are populated through custom fields and category selections, ...
3
votes
3answers
8k 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 ...
3
votes
1answer
292 views

Does WordPress Development Mode Exist (with not minified JS)?

A lot of WP JS is minified and therefore it's hard to be analyzed in the Console. Is there any way to have all scripts uncompressed?
3
votes
2answers
130 views

How to count number of functions attached to an action hook?

I have some actions like this function simple_notification() { echo '<div>This is a notification</div>'; } add_action( 'site_notices', 'simple_notification' ); ...
3
votes
2answers
6k views

paginate_links() don't properly work in search.php?

I'm using this in my search.php template … <div class="pagination"> <?php echo get_pagination_links(); ?> </div> And this is the function … function get_pagination_links() { ...
3
votes
1answer
3k views

why doesnt is_home() work in functions.php

I'm pulling in scripts.php through functions.php. this is in scripts.php but for some reason, wordpress isn't recognizing is_home(). i've tried resetting the query, but to no avail. Am I hooking into ...
3
votes
1answer
4k views

Wordpress Enqueue for homepage only, functions.php, wp-framework

I'd like to replace my: if(is_home()) { wp_enqueue_script( 'homestuff', get_theme_part( THEME_JS . '/home.js' ), array( 'jquery' ), null, true ); wp_enqueue_script( ...
3
votes
3answers
4k views

Add new “Insert Into Post” button with another function

Problem: Add a hook that automatically adds a short tag to video attachments when inserted from the Media Library (video) tab: Update: This works under the 'Media Library' tab — and doesn't break ...
3
votes
5answers
3k views

Removing custom background and header feature in child theme

I am creating a child theme using twentyten as my base. I am looking for a way to remove the features of adding custom header and background without touching functions.php file in the parent theme. ...
3
votes
1answer
2k views

Is it possible to use a forgot password url filter?

i recently found that a login url filter is available but i can't find a solution for the forgot password as well, for the login url i use this: function custom_login_url($login_url) { return ...
3
votes
1answer
4k views

How do I make my function add variables/values to the $post object?

How do I add $tzDesc and $tzEmbed (and other variables) to the $post object in the following function so that I can display the values in my theme files by inserting <?php echo $tzDesc; ?>? ...
3
votes
1answer
5k views

Warning/Notice about functions.php

I have trouble about the notice shows on the top of the home page as: Notice: load_plugin_textdomain was called with an argument that is deprecated since version 2.7 with no alternative available. ...
3
votes
1answer
7k 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> ...
3
votes
5answers
3k views

wp-admin page is blank

Something is wrong with my wp-admin page, it just shows up blank. I am pretty sure it has to do with my function.php file there is no whitespace on the top or bottom, but when I delete it completely, ...
3
votes
2answers
5k views

Get user id from email?

I'm working on an email system, and I'm onto the unsubscribing stage. Since most of my users would not know their user ID, I'm asking them to put their email into a text box (definitely preferred, ...
3
votes
2answers
2k views

delete post also attachments

I am trying to delete a post with its all attachments. This is the function that i came up with right now; function remove_post(){ if(isset($_POST['post_id']) && ...
3
votes
3answers
948 views

Add Useragent to the body class?

I'm looking for a way to add body class depending on the User Agent of the client with php. I'm looking to implement it this way: page.php: <body id="front" <?php ( function_exists ( ...