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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2
votes
3answers
18k 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
3k 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
537 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
47 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
394 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
75 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
623 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
202 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 ...
1
vote
1answer
1k views

Get menu object from theme_location

I'd like to get a menu object from its theme location argument. My goal is to output separately the menu name and its items name, url and description. Example of what I'm looking for : $menu = ...
1
vote
1answer
2k views

Edit the_content function

I want to edit the default function the_content(). I know i can add_filter('the_content', 'with_my_function') but im having trouble outputting the old content with mine. Heres an example of what im ...
1
vote
1answer
794 views

Call to undefined function get_blog_option()

In the functions.php of my plugin I've added the following code: function relativePathForUploads( $fileinfo ) { global $blog_id; $path = get_blog_option($blog_id,'siteurl'); ...
1
vote
2answers
323 views

VERY new to coding - keep breaking site trying to add to functions.php

I really appreciate everyone on this site who takes the time to answer questions here. I've learned a good deal already reading, but am sure I could learn even more if I could get past at least one ...
1
vote
2answers
442 views

How to let a single post have its own domain name

I am not sure which solution here would work best as a solution but what I am looking for is just a simple way to enter an optional domain through a metabox on the page edit screen and then just ...
0
votes
1answer
21 views

Is it possible to be more page/post specific with admin_enqueue_script?

I am using this code to load a stylesheet in the admin, but only on post.php related pages: function my_enqueue_for_post_pages_only($hook) { if( 'post.php' != $hook ) return; ...
0
votes
0answers
208 views

Create thumbnail on PDF upload with Gravity Forms

I'm working with some great code that was provided recently to create an image thumbnail from a PDF upload, and I'm now trying to implement this in the functions file so that it can be applied to any ...
0
votes
3answers
944 views

Redeclare function (override) [closed]

What is the best method, to change the previously declared function into the new one? for example, there is already declared: function smth(){ echo 'aaa'; } and i want that it displayed not aaa, ...
0
votes
2answers
1k views

Only show category to certain user levels without plugin

I'm building a site for some army guys to share photos, and one thing keeps stumping me. They have some photos that they'd like everyone who is signed up for the site to view, and others that just ...
0
votes
1answer
2k views

Echo a div to header.php from functions.php

Within the section of header.php I have a div structure <div id="header"> <div id="masthead"> <div id="branding"> ... I want to add a div within "branding" - I can do this ...
0
votes
2answers
296 views

Automatically assign a custom post to a custom taxonomy based on custom field value

We have a custom post type called listings, and each listing has a custom field zipcode (which is a 5 digit number). We then have a custom taxonomy area, which can be "New York", "Los Angeles" etc. ...
0
votes
1answer
171 views

Theme Demo in live Site

I don't know how to explain this question but let me try, Just Imagine I've a website called xyz.com and in xyz there are 10 themes uploaded and in homepage i'll show name & screenshot of all 10 ...
0
votes
4answers
274 views

Problem with <code> tag

Where you can see it: http://themeforward.com/demo2/functional-codes The first button is my code, as it should appear. The second button is within <pre><code></pre></code> ...
0
votes
2answers
872 views

Conditional custom menu?

I'm trying to create a custom menu that displays a <li></li> when a user is logged in, and not display it when they're not. I have this so far, but it's not working. Does anyone know how ...
0
votes
2answers
1k views

Change labels on 'Nickname' and 'Biographical Info' in user-edit.php

For a project I'm working on, I want to change the labels of the 'Nickname' and 'Biographical Info' fields on edit profile (user-edit.php) page in the dashboard. I still want to use those fields as ...
-2
votes
2answers
1k views

Removing the default sidebar from admin panel

I would like to remove the default sidebar from my template, it is not needed and I do not want to confuse the user that will be using the admin panel. I have created my own sidebars that are a bit ...
4
votes
2answers
798 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 ...
3
votes
1answer
2k views

What is the correct MIME type for PSD (Photoshop)

I am trying to create an upload area (frontend) for word press users on a site. I've got a lot of types opened up through some function calls, but unable to correctly get PSD support. I'm seeing a lot ...
2
votes
1answer
33 views

How can I modify the permalink via a filter?

I would like to make a change to the URL's in my href attribute across my while site when the_permalink is called. For example: <h2><a href="<?php the_permalink()?>" Can I use my ...
2
votes
1answer
2k views

Modify search function in WordPress (TwentyTwelve)

I want to remove "Search for" text from search form in TwentyTwelve, to wrap in in a div for styling, and probably to play with php a bit – and I'd appreciate some advice on how to do that best. My ...
2
votes
3answers
1k views

the_post_thumbnail fallback using hooks

I am using this big theme that is almost entirely relying on widgets and sliders. Now I trying to avoid looking for post_thumbnail output code in all the included files in order to achieve fallback ...
2
votes
2answers
1k views

Unable to get_the_content(); of a post in Wordpress via AJAX

I'm trying to ajaxify my Wordpress theme and I use the method described here and I'm now trying get_the_content of post via functions.php. Using jQuery, when I do alert(data) I get the 'title' echo ...
2
votes
1answer
533 views

When to check if a function exists

I've just started developing a WP plugin, and i've been reading some code from other plugins as a way to get started. I've seen a couple of plugins that wrap all or some of their functions in the ...
2
votes
1answer
740 views

If function exists, and array is met, echo function?

I have a function like the following: <?php echo my_custom_function( array( 'category_url'=>'My Special Category' ) ); ?> It pulls data from the "My Special Category" and displays it. I ...
2
votes
2answers
3k views

Can't access WordPress functions in file called via Ajax?

I am trying to reload the fresh posts using jQuery. As far as I know, I can't reload the contents of a div inside the page so I reload a file into that div. The problem is that my loaded file gives ...
1
vote
2answers
45 views

How to add a rel attribute to images that contains their categories?

I've added categories to images, so that I can use them to filter images within a portfolio page. Now I'm thinking I need to add the rel attribute to each image that contains its assigned categories. ...
1
vote
1answer
179 views

Saving Plugin settings to the database

I'm not a complete novice with php or wordpress but am wanting to approach this problem the most efficient way so believe asking here will help. I've got a plugin that randomly generates a quote - ...
1
vote
1answer
157 views

Execute a shortcode when clicking on a image

I asked this in stackovorflow under javascript and was informed not possible so I trying here I have a shortcode for a opt-in form and I want it to pop up when a image is clicked I tried the ...
1
vote
1answer
78 views

Common functionality between my own plugins

I read that when creating new post types, creating a settings page, and creating a new taxonomy, you should create a plugin. So I have done that. But I have functionality, which could be generalized, ...
1
vote
2answers
193 views

How to change featured content to a different tag in Wordpress Twenty Fourteen?

In twenty fourteen theme, we’d like to know how to change the features content tag. Currently it’s set as featured. Now, we would like to know how to code this for different page templates. We ...
1
vote
1answer
254 views

Is it possible to get a theme customizer setting from wp.customize using jquery?

I am wondering if it is possible to directly interop with the wp.customize api to get a value of a theme customizer setting. The way I am doing it now is using ajax to get a response from a php ...
1
vote
2answers
94 views

Dynamically Register Sidebars For Each Top Level Page

I have a small website that wants a different sidebar for each page containing blocks of text, blocks of images, and blocks of links, etc. What I'm trying to do is register a sidebar for each top ...
1
vote
2answers
239 views

List repeating share links

I want to add social share buttons to my posts, but I don’t want to put all that big bulk of code into all my content files. I want to create a function, and then add the function name to my template ...
1
vote
2answers
513 views

gform_after_submission content appears immediately after <body>, not in post body [closed]

I have the following function that successfully uses form fields (IDs 13 and 18) from a Gravity Form (ID 18) as parameters within wp_query. This displays a list of posts with specific taxonomy terms ...
1
vote
1answer
114 views

Remove class that has been added by parent theme

My parent theme generates the following class in body: style-cupcake. I don't want that. The best way to get rid of this is by adding my own functions in a functions.php file in my child theme, right? ...
1
vote
1answer
424 views

Merging PHP download script into `functions.php`

I run a large mixtape download site on WordPress. I'm currently developing a new theme and I'd like to include as much site functionality into the theme's functions.php. For serving the downloads, I ...
1
vote
0answers
464 views

jQuery Plugin to use Wordpress functions in AJAX request

I'm using Chained Selects jQuery Plugin to create multiple chained selection fields. I'm using the remote version of the plugin to build the related options by means of AJAX request from a separate ...
1
vote
2answers
1k views

can you set a default value to a custom field

I'm looking to set a default value to a specific custom field, in case the client doesn't add into the custom field it already has a specific number associated with it. one step deeper, I'd like it ...
1
vote
4answers
946 views

change a post status when users update posts?

Is there an efficient way to change a post status from 'published' to 'draft' when a user of a certain type tries to update their posts. I tried something along these lines function ...
1
vote
2answers
1k views

function to include is_home, is_archive, is_category, is_author etc in one function?

I'd like a way to target only blog-area pages for specific formatting. So far, <?php if (is_home() || is_single() || is_category() || is_archive() ) { ?> works okay, but is there a way to ...
1
vote
1answer
944 views

Add a Post Thumbnail to an RSS Feed with custom size

I have two different blogs on the same domain and my goal is to get the 3 latest posts from blog1 to show on the home page of blog2. Everything goes well following these instructions: ...
1
vote
2answers
291 views

Short_title character problem

I am using this code to shorting the title: function short_title( $after = '', $length ) { $mytitle = get_the_title(); if( strlen( $mytitle ) > $length ) { $mytitle = substr( ...