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.

learn more… | top users | synonyms (2)

1
vote
1answer
2k views

change default option in wp_dropdown_categories

I'm using wp_dropdown_categories() to output a dropdown. In default view (without having clicked it) it shows the name of the first category in the list. I'd like it to say "Categories". Is this ...
1
vote
1answer
327 views

May i Use ShortCode in Template?

Am Using Wordpress Blog.Here i want Use Tweetmeme Plugin.I want to show the output of the Tweetmeme Plugin to Customizing place(Side of the Post[Not Before or After]).The Plugin Creators are providing ...
8
votes
3answers
683 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', ...
-1
votes
1answer
150 views

Will my Wordpress site become vulnerable after adding this functions which allows more HTML tags for subscribers?

I was thinking of adding the following lines of code to my functions.php file: /** * Change the default list of allowed html tags */ add_action('init', 'edittag', 10); function edittag() { ...
2
votes
1answer
2k views

Function to show random posts from a category

Hi to all I'm trying to create a function that can ECHO the excerpt of a random post from a choosen category. What I did up to now is: <?php function $titoloslide() = { ...
27
votes
5answers
34k views

What's the difference between home_url() and site_url()

My understanding is that site_url() returns the location where the wordpress core files are. So, if my blog is hosted at http://example.com/blog then site_url() returns http://example.com/blog But ...
1
vote
1answer
867 views

Custom excerpt function re-factoring

This may be more of a php best practices question, but here goes... I am using a custom excerpt trim function: function new_wp_trim_excerpt($text) { // Fakes an excerpt if needed global $post; ...
2
votes
1answer
2k views

Can shortcodes contain conditional statements? Even without them my shortcode renders blank page

The following code is supposed to allow for a shortcode that includes many attributes, but not all of the attributes may always be present in which case I do not want the containing element to show ...
1
vote
1answer
65 views

Does WordPress validate inputs to all functions? (such as get_user_meta and insert_user_meta)

Does WordPress validate inputs made to all built-in functions that access the database to protect against SQL injection vulnerabilities or do we have to validate before passing them?
3
votes
3answers
5k views

How to fix a theme with page.php Default Template that accidentally deleted?

I am having a quite odd case with WP today, and after spending about an hour searching on google and forums, can't find any answers. I hope posting here might allow me some chance to get help from ...
0
votes
1answer
100 views

Pass strings to plugin function [closed]

I have simple function to show an image: function helloworld() { echo '<img src="'.$link.'" alt=".$alt." />'; } I would like to pass strings link and alt to the function something like ...
0
votes
1answer
1k views

Add a custom function to widget code

Hopefully, this is an easy question - I'm just a bit confused. I've got a custom widget with the usual structure: class My_Widget extends WP_Widget { function My_Widget() { // widget actual ...
2
votes
2answers
108 views

WP disobeys disabling of the posts revision feature

I disabled the posts revision feature according to this codex by placing this code in the wp-config.php: define('WP_POST_REVISIONS', false ); But revions are still being saved by the WP. Why? I am ...
2
votes
2answers
251 views

Populate Custom Field Dropdown on Theme Install?

Is there a way to populate the custom field dropdown box when you install a theme? I want to make it easier for users and avoid having them add the terms manually when they first set it up.
1
vote
2answers
119 views

Can anyone offer any help with this function?

I am trying to write a function for my functions.php file. I has to do the following; loop through search results and check the template if the template is 'landing.php' add it to ad array use the ...
0
votes
1answer
829 views

Where to call my pagination function?

I have just been following this tutorial - http://www.lateralcode.com/wordpress-pagination/ I have written that function in my functions.php file and taken numerous notes on how it works. The ...
-1
votes
1answer
793 views

Adminimize Plugin — Is there an alternative to limiting Editor to 'Appearance > Widgets' only?

Adminimize > Menu Options: I want to grant access to "Appearance > Widgets" only to select users (but not Themes, Editor, Add New Themes; nor Plugins, Settings). Although I have selected this in the ...
4
votes
1answer
2k views

function deactivate_plugins does not exist

I am getting function deactivate_plugins does not exist error when calling this function function deactivateSelf(){ deactivate_plugins(RSD_PLUGIN, true); //gives error: function ...
0
votes
2answers
2k views

How to get plugin name from plugin file location

I'm running this code to tell me what plugins need updating: $update_plugins = get_site_transient('update_plugins'); Here is an example return: Array ( [login-lockdown/loginlockdown.php] => ...
0
votes
1answer
409 views

the_excerpt function not showing image

I am having posts with images.In single post page all contents displaying well with image. But in blog page , the content only displaying not an image. How can i make it to display For example, ...
2
votes
2answers
2k views

Delete Post From Front-End and attachment permanently

Is there a way to delete a Post From Front-End and it's attachments permanently? This is a snippet that moves the post to the trash can, but it doesn't remove attached images (they remain on the ...
1
vote
1answer
674 views

Registration Hooks don't appear to be working

I am trying to hook in to automatically sign-in the user after registration. (using a GravityForms registration form). None of the hooks seem to be working. I've tried: gform_user_registered, ...
2
votes
2answers
573 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 ...
2
votes
3answers
684 views

How can I change the frequency of a scheduled event?

I have declared a scheduled event in a plugin like this : function shedule_email_alerts() { if ( !wp_next_scheduled( 'send_email_alerts_hook' ) ) { wp_schedule_event(time(), 'hourly', ...
2
votes
2answers
3k views

get_current_site() not returning site name

The function get_current_site() that's in my themes' footer.php file doesn't return the 'site name' property as specified in the docs (and expected in the theme). The purpose of the function is to ...
1
vote
1answer
239 views

Custom random quote widget breaks when used in multiple sidebars

I've created a custom widget and placed it in functions.php. You can see the widget here: http://pastebin.com/3uWpeaFx (I've also created a similar widget that grabs a random image; it's included ...
0
votes
1answer
861 views

How do I pull excerpts from pages?

So I enabled custom excerpts on my pages with this function. add_action('init', 'page_excerpts'); function page_excerpts() { add_post_type_support( 'page', 'excerpt' ); } However, When I enter ...
0
votes
1answer
256 views

Single dash converted to double dash

As the title says, if a single dash is used with a space between each side eg. 'Die Hard - Action Film' is written in to a WordPress post, once published it comes out as 'Die Hard -- Action Film'. If ...
3
votes
3answers
985 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 ( ...
3
votes
2answers
1k views

Linking thumbnail to full size image

I use a function in my blog (getImage) to call thumbnails in the loop (it calls the 1st image on the post) but instead of link to the post, i would want the thumbnail to link to its full image src. ...
2
votes
3answers
2k views

Creating a table from shortcode avoiding wpautop for each row

I'm probably doing this all wrong, and there'll be a much simpler solution. Basically, I'm trying to build a table of tour dates that'll be editable by someone with little technical knowledge, but can ...
1
vote
1answer
518 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 ...
3
votes
2answers
328 views

Why might $input (Settings API) be coming through empty?

I'm trying to be a good thememaker and pass all my settings through the Settings API, but I'm running into some difficulty in the sanitization callback function. The core of the problem is this: the ...
1
vote
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)) { ...
2
votes
2answers
398 views

Post the content of a specific “Custom Post Type” post within a post using a shortcode

The posts on our music blog usually include multiple tracks of music. I want to have each individual track be its own entity--a custom post type called "track"--which I want to be able to insert ...
2
votes
1answer
3k views

Custom function for user register in wp?

I have a custom template for user registration. I want to use a function to insert users. Can I directly call wp_insert_user() function?
1
vote
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 ...
6
votes
4answers
6k 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
2answers
1k views

Prevent publishing the post before setting a featured image?

As the title says , I want a plugin/function to prevent/inform the user when he tries to publish the post without setting the featured image. ANY HELP ???
3
votes
1answer
2k views

How to remove row-actions from pages table?

I've already found out here how to remove the row-actions from the posts table in wordpress admin. Now I'd like to do the same in the pages table. I've looked in the core files but, well, I just don't ...
0
votes
3answers
125 views

Odd functions.php issue in Wordpress

I'm using More Fields plugin, and when I use my functions.php to embed the custom field, I get an odd issue. The field value is followed by a "1" I use this code: //Address add_action( ...
1
vote
1answer
85 views

plugin development: problem with functions

I have this very basic scheme to build my first plugin, but now I have one problem: when I put a hook to add_action on point 1 works, but i need to get the color from shortcode function, so, when i ...
6
votes
4answers
1k views

Apply class to every paragraph that holds image?

When adding an image to a page or post, Wordpress is automatically adding a paragraph tag <p> as parent holding the image. Like so: <p><img src="my-image.jpg" alt=""></p> ...
1
vote
4answers
2k views

wrong php date()?

hey guys, it's weird and I've never experienced that before. I've created a new blog and a custom theme. I'm using <?php echo date("H:i"); ?>in my theme. The time that's put is 2h earlier. ...
2
votes
1answer
836 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
2k views

Auto-add paragraphs to custom field?

hey guys, is it possible to format text in a custom field input box automatically with paragraphs? e.g. like the normal text-widget that has the option to say "auto-add paragraphs" when there is a ...
0
votes
1answer
473 views

Custom post type functions.php if statement on action

I am using developing a child theme for Woothemes' Canvas. I am trying to use functions.php in the child theme to only use actions on my custom post type. This code doesn't seem to be working: ...
1
vote
1answer
6k views

Allow Users Access to Custom Post Type Only

I am in a similar situation to this person, only I need a bit more hand-holding. I don't have a good understanding of php but can cut and paste code with the best of them. I have Justin Tadlock's ...
1
vote
1answer
332 views

Show css depending on activity type in BuddyPress activity-loop [closed]

I was wondering if anyone knew of a way to show specific styles to the activity loop depending on the activity type? This is what I had an idea of: function mycustom_act_type() { if ...
0
votes
1answer
52 views

Functions file mods and CPU

Will adding code similar to what I've pasted below to the functions.php theme file slow down a Wordpress site or effect CPU? (Thank You) function remove_menu_items() { global $menu; $restricted = ...