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59
votes
5answers
82k views

What is the correct way to use WordPress functions outside WordPress files?

I read about 2 methods for initializing WordPress function outside of WordPress files so We can use these functions on any page or website outside the WordPress blog. Which one of these 2 methods is ...
58
votes
8answers
126k views

How to include PHP files in plugins the correct way

My problem is when on the main plugin file I include a PHP file something like this: include(WP_PLUGIN_URL . '/wordpress-group-buying/ipn/paypal-ipn.php'); // or include_once(WP_PLUGIN_URL . '/...
57
votes
7answers
39k views

remove_action or remove_filter with external classes?

In a situation where a plugin has encapsulated its methods within a class and then registered a filter or action against one of those methods, how do you remove the action or the filter if you no ...
57
votes
9answers
89k views

Get name of the current template file

I've found this to display the current name of the file used in template: function get_template_name () { foreach ( debug_backtrace() as $called_file ) { foreach ( $called_file as $index )...
56
votes
4answers
128k views

How to check if a user is in a specific role?

I have a pretty specific requirement to show different text in a field label on the user profile page based on the current user's role. I can't seem to figure out how to check whether the current use ...
56
votes
5answers
31k views

Custom Post Type Templates from Plugin Folder?

I'd like to offer my custom post type as a Plugin, so that people can use it without touching their theme folder. But custom post type templates -- such as single-movies.php -- reside in the theme ...
56
votes
1answer
17k views

A tool to analyze rewrite rules? [closed]

Is there a good tool to analyze my rewrite rules? I always get confused with the regexes and the parameter replacements. I have created something myself and will post it here so others can use it, ...
56
votes
3answers
73k views

Create custom page templates with plugins?

Is it possible to make custom page templates available from a plugin?
56
votes
3answers
11k views

Do deactivated plugins slow down a WordPress site?

Most people are aware that minimizing the number of plugins used is a good way to help keep a WordPress site running fast. However, does that general rule include deactivated plugins?
55
votes
6answers
54k views

WordPress wp-admin https redirect loop

I am using nginx as my webserver and i have edited the configuration file to point to https, so i change the WordPress url settings to https and also added the WordPress force ssl admin code to my wp-...
55
votes
4answers
36k views

Is there a flowchart for WordPress loading sequence?

So like WP must load series of files from, index.php -> ... -> wp-header.php -> ... ->functions.php ...and so on upon execution. Also there must be a similar flowchart for functions ...
54
votes
3answers
108k views

Allow HTML in excerpt

Here is my excerpt code. // Generate custom excerpt length function wpbx_excerpt_length($length) { return 300; } add_filter('excerpt_length', 'wpbx_excerpt_length'); How do I allow html like <...
54
votes
9answers
62k views

Passing a variable to get_template_part

The WP Codex says to do this: // You wish to make $my_var available to the template part at `content-part.php` set_query_var( 'my_var', $my_var ); get_template_part( 'content', 'part' ); But how do ...
54
votes
1answer
61k views

Need help with add_rewrite_rule

SOLUTION I've gone with Update 3 and have got it working. What I had misunderstood, was that I believed that a rewrite rule would change designers/?designer=some-designer&bid=9 to /designers/...
53
votes
3answers
122k views

How to change the default registration email ? (plugin and/or non-plugin)

After a new user registration, WP sends out an email with the login / password, and a link to the login page. Is there a way to change this defaut email template? I'd also like to change the subject ...
53
votes
7answers
34k views

Enqueue Scripts / Styles when shortcode is present

What is the idea way to register/enqueue scripts and/or styles for use in plugins? I recently made a plugin simple plugin to add the user avatar/gravatar with a shortcode. I have different style ...
53
votes
2answers
60k views

How to create a permalink structure with custom taxonomies and custom post types like base-name/parent-tax/child-tax/custom-post-type-name

I've been combing this site and google for the answer and I've come up completely empty. Basically I want to do exactly what this post asks, but I need a hierarchical taxonomy. The answer given in ...
53
votes
6answers
153k views

Annoying “JQMIGRATE: Migrate is…” in console after update to WordPress 4.5

Why is there a constant notice, JQMIGRATE: Migrate is installed, version 1.4.0 that points to load-scripts.php in my console when I updated my theme to WordPress 4.5, and how can it be removed? ...
52
votes
9answers
100k views

How do you find out which template page is serving the current page?

When you activate a wordpress theme, it's always a hassle to find out which file to go to change things. Any idea how to simplify things? But on the other hand, considering the get_template_part ...
52
votes
8answers
32k views

Passing a parameter to filter and action functions

Is a way to pass my own parameters to the function in add_filter or add_action. For example take a look in the following code: function my_content($content, $my_param) { do something... using $...
52
votes
3answers
31k views

How to sort the admin area of a WordPress custom post type by a custom field

When editing one of my custom post types I want to be able to list all entries by a custom field instead of the date they are published (which, for a custom post type probably isn't relevant). I got a ...
52
votes
3answers
31k views

When should I use wp_register_script() with wp_enqueue_script() vs just wp_enqueue_script()?

I'm having trouble understanding when you need to use wp_register_script(). Currently, I just use something like: add_action( 'admin_enqueue_scripts', array( $this, 'enqueue' ) ); function enqueue() {...
51
votes
4answers
50k views

What does wp-embed.min.js do in WordPress 4.4?

Question What does the wp-embed.min.js file do? I noticed it is added to the end of my blog page footer. How can I get rid of it? Effort After some googling and I found Embeds on the Codex. Why ...
51
votes
9answers
53k views

How do you create a “virtual” page in WordPress

I'm trying to create a custom API endpoint in WordPress, and I need to redirect requests to a virtual page in the root of WordPress to an actual page that ships with my plug-in. So basically, all ...
51
votes
3answers
27k views

Difference Between Filter and Action Hooks?

I have been looking at the plugin API a bit more in depth recently and I was wondering what real differences there were between action and filter hooks. They both are events that receive data as a ...
51
votes
5answers
57k views

MySQL Database User: Which Privileges are needed?

The short installation instruction for WordPress ("5 Minutes") state that: Create a database for WordPress on your web server, as well as a MySQL user who has all privileges for accessing and ...
50
votes
2answers
19k views

Ajax takes 10x as long as it should/could

I have just hit my first serious issue with WordPress and for someone that enjoys Ajax this is a biggy. I have an Ajax request that is taking 1.5 seconds to complete while using the Ajax API. If I ...
50
votes
6answers
3k views

Best-of-Breed Features of a High-End WordPress Web Host? [closed]

I'm posting this as a community wiki because I'd like to get a collaboratively edited list of features for a high-end WordPress webhost. For example, if you are running a high-traffic WordPress-...
49
votes
9answers
40k views

How do I Enqueue styles/scripts on Certain /wp-admin Pages?

I have two simple functions that load stuff using wp_enqueue_style() and wp_enqueue_script(), something like these: function admin_custom_css() { wp_enqueue_style( 'stylesheet_name', 'stylesheet.css')...
49
votes
3answers
52k views

Disable update notification for individual plugins

Is there a way to disable update notifications for specific plugins? As a plugin developer, I have some plugins installed on my personal site using the svn trunk version for testing, but the same ...
49
votes
6answers
40k views

Passing variables through locate_template

While I've typically used include or require on their own to save long term code maintenance I've started to use get_template_part and locate_template as using built in WordPress stuff is always best. ...
49
votes
1answer
45k views

Get page ID of page that is set as the posts page

In WordPress settings you can set a page as the Posts Page. This can be found: WP-Admin->Settings->Reading Settings->Front page displays How do I retrieve the page ID that is set in this ...
49
votes
2answers
75k views

How to create custom URL routes?

I have a very peculiar requirement, hopefully, I can explain it without being too confusing. I created a page template where I list some properties I get from an external XML file, so far no problems, ...
49
votes
1answer
8k views

What's the preferred method of writing AJAX-enabled plugins?

I'm wondering what the preferred method is for dealing with AJAX calls. Should one use the same plugin php file to process the POST or a separate one? Which is cleaner or safer?
48
votes
7answers
52k views

How to get WordPress Time Zone setting?

Can someone tell me how to get the time zone that is set in the WordPress Admin? For example, if the blog is set to Eastern time, I need this exact string to print out: US/Eastern This is for a ...
48
votes
9answers
52k views

Using wp_query is it possible to orderby taxonomy?

My question is simple, I'm using WP_Query to retrieve some custom type posts filtering by a taxonomy using tax_query. Now my problem is I would like to orderby the taxonomy, but from documentation ...
48
votes
1answer
107k views

WP_Query - Order results by meta value

I've checked around and haven't seen an answer which works as of yet. I have a WP_Query with the following arguements: $args = array( 'post_status' => 'publish', 'post_type' => 'listing'...
48
votes
6answers
9k views

framework for plugin/theme options panel? [closed]

I found that the longest part of a plugin or theme development is creating the options panel, at least in my case. So i like to know what's your take on that. Do you use a ready made framework or ...
47
votes
10answers
66k views

Remove slug from custom post type post URLs

It seems that all web resources based on the subject of removing a custom post type slug ie yourdomain.com/CPT-SLUG/post-name are now very outdated solutions often referencing pre WP version 3.5 ...
47
votes
8answers
79k views

Remove “Category:”, “Tag:”, “Author:” from the_archive_title

I have the following code in my theme's archive.php: <?php the_archive_title( '<h1 class="page-title">', '</h1>' ); ?> This gives me titles like "Category: Russia", "Tag: America", ...
47
votes
5answers
163k views

How to get URL of current page displayed?

I want to add custom PHP code to ensure that whenever a page on my site loads in my browser, the URL of that page is echoed to the screen. I can use echo get_permalink(), but that does not work on ...
47
votes
3answers
33k views

Is There a Difference Between Taxonomies and Categories?

I've been reading the codex for WordPress closely and am confused about the vague definitions between what a Taxonomy is and what a Category is. For that matter, term is also a word that is used in ...
47
votes
16answers
9k views

How do you debug plugins?

I am pretty new to plugin authoring and was having a hard time debuging. I used lots of echo and it is sloppy and ugly. I am sure there is a better way to do this, maybe an IDE with a debugger that ...
47
votes
7answers
10k views

Where can I find a list of WordPress hooks?

Where can I find a list of all the WordPress hooks and over-ridable functions (pluggable, scriptable, etc)? Edit: Plugin is listed here.
46
votes
5answers
31k views

How to get WordPress' hooks/actions run sequence?

In what order add_action hooks execute? i.e. init wp_head wp_footer after_theme_setup etc... ??? ??? ??? EDIT: I've also posted my solution.
46
votes
2answers
56k views

Query all posts where a meta key does not exist

I am trying to get a query to retrieve all the posts where a specific meta_key does not exist and then create it. I am having problems finding those posts as the query I am testing does not seem to ...
45
votes
6answers
51k views

How to disable the single view for a custom post type?

I created a custom post type: register_post_type('sample_post_type',array( 'labels' => array( 'name' => _x('Sample Posts', 'post type general name'), 'singular_name' => ...
45
votes
9answers
32k views

Restricting users to view only media library items they have uploaded?

I want users to be able to upload photos using add_cap('upload_files') but in their profile page, the Media Library shows every image that's been uploaded. How can I filter that so that they can only ...
45
votes
6answers
61k views

allow editors to edit menus?

I would like to be able to grant my editors the power to change the menu, can this be done? The appearance tab doesn't appear to be an option at all, can I make it so?
45
votes
8answers
32k views

Check if wp-login is current page

How can I check if the current page is wp-login.php or wp-signup.php ? Are there more elegant solutions than using $_SERVER['REQUEST_URI'] ?

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