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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776 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 ...
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0answers
729 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 ...
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2answers
3k 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 ...
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1answer
1k views

Declaring an instance of class included in parent theme from child theme functions.php

Please note this is all "working" - the question is about the best practice and to try and work out why I need to include the PHP file which contains the class in two places for it to work correctly. ...
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4answers
2k 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 ...
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1answer
1k 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: ...
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2answers
5k views

Getting the post_id in wp_ajax function

I wrote a custom AJAX function in which I have assigned a post type to be a child of another post type. In one function I am looping through those child posts, and I want to update the database to ...
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2answers
583 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( ...
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2answers
738 views

How to Append to the_excerpt() Function

I have the following snippet of code: <?php>$more = '.....';?> <p class="extra"><?php the_excerpt(); ?></p> What I am trying to do is append the value of $more to ...
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1answer
924 views

How to display most viewed post in my sidebar?

Hey i wanted to display the 5 most popular post by view count in my sidebar, but i don't want to use a plugin, i want the php function so that i can edit it manually such as adding thumbnails next to ...
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1answer
8k views

How to call a function only once (global variable scope)

I have been trying to work out the most effecient way to use functions in WordPress. I have a big slow function big_slow_function() that ideally is only run once. But I need to use the boolean that ...
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1answer
267 views

exclude category from WordPress Form function

I have this function and I need to somehow exclude a category number 14 from my submission form. Is there any way to do it inside this function? function retrieve_cat_data($byid = false){ ...
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2answers
3k views

Default or Preset Content for Custom Post Types

I am trying to modify the code for default content to display based on post type, but so far I have been unsuccesful. The base code is: add_filter( 'default_content', 'my_editor_content' ); ...
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5answers
361 views

Problems with removing admin bar

I am trying to remove the admin bar from a theme front end of a theme. I found the following code block: add_filter( 'show_admin_bar', '__return_false' ); remove_action( 'personal_options', ...
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1answer
232 views

Display the number of user comments

I would like to display, on the author/user/contributor page, the number of comments the user has posted, and the number of comments he has received on his posts. Is it possible? Thank you !
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1answer
190 views

Adding Google Analytics to footer selectively

// add google analytics to footer function add_google_analytics() { ?> if ( !is_user_logged_in() ) { <!--Google Analytics--> <script type="text/javascript"> var ...
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1answer
519 views

Can't filter wp_get_attachment_link

Can't figure out why this won't work: function my_get_attachment_link($html){ $postid = get_the_ID(); $html = str_replace('<a','<a rel="shadowbox['.$postid.']"',$html); return ...
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3answers
6k views

Custom page template how to check is_page from functions.php?

Have a custom page template and trying to make the excerpt length dynamical depending on what page you are in. Functions.php <?php function custom_excerpt_length($length){ if (is_page(15)) { ...
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2answers
1k views

Best way of adding CSS which can be manipulated by the user via theme option panels?

I thought about adding it as inline CSS with code from the functions.php (not really sure how to do it). Something like this: function addcss() { background: $this_is_the_css_value; } I would ...
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1answer
4k views

Targeting specific menu with wp_nav_menu_items

Hey! I have added a wp_loginout() to my header using a snippet in my functions.php: add_filter('wp_nav_menu_items', 'add_login_logout_link', 10, 2); function add_login_logout_link($items, $args) ...
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2answers
386 views

write in functions.php

i just want this code to be added in my functions.php, so that it will directly display after my post ends currently i am adding this code to my single.php, but i want to add this is in functions.php, ...
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1answer
203 views

Function returns different value when called from 'save_post' than when called on page load

The "word_count" function below returns different values depending on where its called from. Why? add_action('save_post', 'my_custom_save', 10, 2); function myPlugin($post) { global $rockScore; ...
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1answer
646 views

How often is functions.php loaded?

Trying to get my head round functions.php and am wondering how often it is loaded?
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0answers
35 views

I would like to write the output of a function in normal post.php fields

I have this function, and it prints, displays these values ​​directly in the published posts: function gen_num() { global $post; $mixnames = get_post_meta( $post->ID, 'fieldnames', true ); ...
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1answer
80 views

Different body image backgrounds on different pages, posts and categories

I am trying to implement the ability to choose a different body background image to different posts, pages and categories. I am using Advanced Custom Fields to add an image field to every post, page ...
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1answer
63 views

Enqueue less file not working in child theme?

In my child theme I have: add_action( 'wp_enqueue_scripts', 'theme_enqueue_styles' ); function theme_enqueue_styles() { wp_enqueue_style( 'parent-style', get_template_directory_uri() . ...
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1answer
140 views

How to override filter in child theme?

I'm trying to override a parent theme filter in a child theme; I must have the syntax wrong as the override is being completely ignored. Here's what's in my child theme's functions.php: //* remove ...
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2answers
78 views

Add Top-Level Menu that opens URL

Below code adds My Page button in Admin Menu. It will take you to your author page when you click on it. However, it also opens up new page(Empty page). I want it to just take you to author page and ...
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0answers
84 views

Rewrite rules lead to blank page

Using a child theme, with custom post type article, trying to call a file from functions folder inside the child theme main folder (child-theme/functions), using this code in the child theme ...
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0answers
75 views

How to wp_enqueue_script with html?

I want to wp_enqueue_script multiple javascript with html and css. I place the html code in a page, but it's not working on my side. Only plain text is displayed. Here's the link: ...
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2answers
229 views

Most elegant way to enqueue scripts in function.php with foreach loop

I wonder is there a way of running wp_register_script and enqueue with the help of foreach loop to manage label and dir? For example, function wbs_app_components(){ $scripts_list=array( ...
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1answer
219 views

wp_delete_attachment

Im' trying to delete all attachments of a custom post type on post deletion using the before_delete_post hook. It works ok except that if I add another function to override the upload dir it doesn't ...
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1answer
41 views

Custom Behavior when Adding New Custom Post Type in Dashboard

I have a Custom Post Type that I'm doing some custom work for. I want to attach some custom functionality to the post type once it's created but an admin can only trigger the custom action from the ...
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2answers
92 views

Conditional Page Template not working

I am using this code in functions.php to conditionally load some shortcodes but it doesn't work. The shortcodes are still loaded on template-flat.php. Any ideas what's wrong here? if( ...
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3answers
183 views

Enqueue Style in Functions.php

This doesn't work for me in functions.php: if( is_page_template( 'template-flat.php' ) ) { function flatsome_scripts() { wp_enqueue_style( 'flatsome-style', get_template_directory_uri() ...
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1answer
451 views

Widgets Section not displaying in theme customizer

When in the WP Theme Customizer, my widget management section isn't displaying (i.e. I can't add/change/remove widgets). I CAN, however, add widgets from the Appearance -> Widgets section, just not in ...
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2answers
396 views

Use Exact Image Size using add_image_size

I have a pretty basic question. It may be very noob question, but it is bothering me a lot. In my theme I've added a custom image size like this: function img_update() { if ( function_exists( ...
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1answer
494 views

Copy and delete a directory with WordPress functions

I have successfully used copy_dir() to copy a directory to a new location. How can I delete a directory using WordPress functions?
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1answer
101 views

Simple/basic use of get_current_screen

I would like to load a stylesheet on only 3 admin pages: post.php?post=7&action=edit post.php?post=10&action=edit post.php?post=18&action=edit I was trying with admin_enqueue_script ...
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1answer
57 views

Display WordPress Search

I am trying to display the current WordPress search term on single.php, index.php, and category.php...basically when someone searches for something I'd like WordPress to remember what the last search ...
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2answers
344 views

Pagination custom query

I am trying to make a custom page template that shows the most viewed posts. I can return posts but I am having trouble figuring out how to paginate it. Here is what I have: $args = array('orderby' ...
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1answer
260 views

Wordpress - thumbnail image from youtube (function and loop)

Hi :D i need show thumbnails from youtube in homepage, i have a code for wordpress in function and the loop but not working thumbnail from youtube. What can be wrong with the code? Function Code: ...
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0answers
290 views

automatically adding submenu items

Here's the solution that @bainternet has posted here: Add child pages automatically to nav menu /** * auto_child_page_menu * * class to add top level page menu items all child pages on the fly * ...
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1answer
161 views

relation OR instead of AND - Filtered term ID's in loop

Question not related anymore.. First I tought about the relation OR/ AND for results, but I believe I should work with 'operator' => 'NOT IN'. I would like to query the results that meet multiple ...
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0answers
261 views

Update all posts in one go

I've just used the woocommerce CSV uploader to add 1000+ products to an online store. However the products only appear in the store after they have been updated - And it has to be from the main edit ...
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2answers
709 views

Order get_users() by last login date. Is it possible?

I want to create a page that displays all the blog users ordered by the last login date. I've tried with the get_users() function and I can succesfully get the users' list, but not in the order I ...
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1answer
764 views

How to call a plugin function in footer.php

I want to call this http://wordpress.org/plugins/easy-media-gallery/ easy media gallery plugin in footer.php or recommend me any image gallery plugin like its in the footer of this website ...
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1answer
176 views

While Using Static Pages, How Can I Get /blog into the URL of Each Post?

I have Wordpress installed on the root of my website. It is using a static homepage and posts page. As it stands, each post will look like this example.com/blogpostname. I don't want to use category ...
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3answers
3k views

How can I loop into two different DIVS without repeating the DIVs

I am having a little trouble trying to figure out how I can accomplish this: I have a container with two colums in it, a right and a left column. Each column will have 3 posts with a short excerpt ...
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1answer
161 views

custom post type upcoming post and past post

I want to retrieve inside my archive-CPT.php most recent upcoming post ( post with status of future) and past post (oldest published post). This is how my archive-CPT.php is looking like: <?php ...