Basic techniques on debugging WordPress that can assist you on first hand.

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1answer
99 views

Wordpress White Screen Error

So I have encountered the white screen error of Wordpress. I enabled the WP_DEBUG in the wp_config.php and found no errors. I also tried error_reporting(E_ALL); and ini_set('display_errors', 1); and ...
3
votes
1answer
136 views

Is it possible to display the admin bar while in the Theme Customizer?

I've been using Debug Bar + Kint Debugger for debugging. Presently I'm working on a custom theme where I'm trying to hook some code into customize_save_after. The code doesn't appear to be running ...
1
vote
2answers
305 views

Getting notices on fresh 3.6.1 install

I'm a relative newcomer to WP. I've been playing around for the past 3 months or so trying out themes, plugins etc. About a month ago I got to the point where I turned debug on and I started seeing ...
1
vote
1answer
451 views

How to debug a blank page?

I'm not being able to load this page, although I can easily load all other posts that load the same custom post type template (please look for "// From now on, WP is throwing a blank page" on that ...
1
vote
3answers
1k views

Why is admin ajax reloading my page

As far as I know I haven't used Ajax anywhere in my code. Yet, while debugging, I have breakpoints being hit with 'admin-ajax.php' at the root of the call stack. This second hit of my breakpoint ...
3
votes
1answer
48 views

Listing registered scripts

Back story : We have a number of wordpress web sites experiencing issues when viewed on some IE8 browsers. The errors include the page loading but not being displayed (either a blank screen is ...
2
votes
2answers
440 views

Adding callback function for wp_ajax_ has no effect

I was trying to add one more callback function to the WordPress AJAX action woocommerce_apply_coupon. This action is defined in the WooCommerce plugin, I want to add my own callback function to this ...
2
votes
2answers
650 views

How do I find the version of WordPress I have from the source code?

Given a copy of WordPress installation, how do I find out what version it is from the source code?
-2
votes
1answer
564 views

How to quickly/easily make an analysis (reverse engineering) of Wordpress?

For me Wordpress is totally unknown. I would like to know what tools and techniques do you use to analyze unknown code of Wordpress. If more specifically that for the following tasks: 1. To locate ...
0
votes
1answer
581 views

How to find out which function is causing a 404

So I am trying to upgrade a WordPress project and for one section I get the 404 instead of seeing a product page. I looked around and tried adding this to my functions.php add_action('wp_head', '...
0
votes
0answers
38 views

admin.php taking 14 seconds

This is a clean install but it has a (relatively) huge database of dummy posts/comments/etc. But even on single-post loads it still takes just as much. Narrowing further down menu.php takes 8 ...
2
votes
1answer
2k views

Control verbosity level of WP DEBUG?

I've been at a loss so far and so I thought I'd pose the question: Is there a way to modify the verbosity level of the WP debug.log via wp-config.php or elsewhere? Just an fyi, here is what I have in ...
2
votes
3answers
1k views

Not sure how to debug: Send specific users an email when posts are published

I've got the following code, which is supposed to run when a new post is published for the first time, check if a custom field 'specific_users' has data (this uses Advanced Custom Fields), and if so, ...
0
votes
1answer
44 views

Best place to call xdebug helper functions?

Right now I place the following code wherever I expect something to go wrong. /** xdebug helper */ error_reporting(E_ERROR); ini_set("display_errors", 1); ini_set("html_errors", 1); ...
2
votes
1answer
236 views

WP Cron emails not working

Running wp 3.5.1. I have 2 plugins that work in part. They do everything nice. If I click to send emails, they send the emails. However the scheduled emails are not being sent. The plugins are: ...
5
votes
1answer
643 views

CPT Template Not Showing - Getting 404

I'm developing a Custom Post Type plugin, which works fine in dev. Now that I've moved it to production, I'm getting a 404 when I try to display the template for the CPT. So, two questions: 1- Is ...
0
votes
0answers
90 views

WordPress won't display errors at all

I have been having constant issue with WordPress not displaying errors at all and I have no clue what is wrong. PHP errors display on non-wordpress related pages. Debugging is turned on. Display ...
18
votes
2answers
3k views

Does the functions.php file ever get called during an AJAX call? Debug AJAX

Trying to figure out an issue a fellow programmer is having. I was wondering if the functions.php file get called at all when you do admin side AJAX? I know that when you do an AJAX call a part of ...
1
vote
2answers
911 views

Using FirePHP with WordPress

I am trying to make it so that I can output to the console in PHP. I have already installed FireFox with the FireBug and FirePHP addons. I downloaded the 'FirePHPCore Server Library' from here and I ...
0
votes
2answers
161 views

Should all references to a text domain be to my current theme?

I'm running Theme Check on a theme I've inherited and I've come across lots of recommendations like this one: RECOMMENDED: Text domain problems in loop.php. The twentyten text domain is being used! ...
1
vote
1answer
200 views

Theme Check: Could not find post_class

I've inherited a theme from a another developer that I've re-styled for a client. We're just about finished, but I thought I'd run it through the Theme-Check plug-in to see if there's any errors or ...
0
votes
1answer
232 views

Cannot Modify Header Information - While trying logging in

I am having the same issue as cited on: Cannot modify header information - headers already sent (Theme Specific : functions.php) Can you give me a help on that. I am using Optimize Press Theme This ...
0
votes
2answers
119 views

Wordpress + Buddpyress - troubleshooting server overloading

I have a Wordpress+Buddypress installation which is regularly going down - the number of HTTPD on the server and the server CPU load both peak suddenly and the server fails to recover. A restart of ...
3
votes
1answer
6k views

Debugging an error: wp_enqueue_style was called incorrectly

I've just uploaded a new, custom theme to find that the container is a fraction of the intended width, and the sections below the home section(this is one single page, long site utilizing ids/anchors ...
2
votes
1answer
9k views

Filtering custom taxonomies

This is a cross post from the WordPress forums, which I apologize for, but it has been almost a week and not getting any response there so hoping someone here can help. If I do get a reply in either ...
6
votes
3answers
4k views

Is it possible to change the log file location for WP_DEBUG_LOG?

I use WP_DEBUG_LOG in my development environment and have no issues with debug.log being in the wp-content directory. Sometimes I turn on WP_DEBUG in production when I need to debug something, and I ...
1
vote
2answers
1k views

WordPress Ajax Problems

Update I got it to fire using the following curl command: curl -H "Accept: application/json" -X POST http://localhost/wordpress/wp-admin/admin-ajax.php -d "action=vixo_wordpress_signon&data=...
2
votes
4answers
2k views

Debug whats going on inside a function called from AJAX

I have a link on my post edit page (admin side) that calls up AJAX and jQuery to run a function inside my functions.php page. The link is wired up and calling the jQuery but I can't seem to debug ...
3
votes
3answers
2k views

How to Debug the 'save_post' Action?

Is it possible to validate PHP code? I have a Custom Post Type (Film) with Custom Meta Boxes. Everything is working fine, I can add new Films and details to the Custom Meta Boxes. My problem is ...
5
votes
2answers
522 views

Is there any debug toolbar that shows whick hooks are called for the current page in Wordpress?

In Django there is a debug toolbar that shows which template files and hooks are called while rendering a page. Is there any plugin that shows which hooks are called for the current page in ...
1
vote
2answers
964 views

How to use WP-FirePHP extension?

http://wordpress.org/extend/plugins/wp-firephp/ I'm simply supposed to call fb('Error message','Lable') but it doesn't work all the time. I can't figure out when and where the relevant files are ...
6
votes
2answers
4k views

Count & Display Database Queries

I'm looking for an solution how I can count and display all queries in a WordPress site. Does anybody know, if there is an good plugin? Otherwise it would be an solution to check the queries on the ...
0
votes
1answer
739 views

Certain aspects of site suddenly not working in Chrome and Firefox

My site has been working perfectly in all browsers, until suddenly 2 days ago. Now in Chrome and Firefox, the main page accordion slider is stuck, the "log in" button is not functional, and a few ...
14
votes
4answers
5k views

Define WP_DEBUG conditionally / for admins only / log errors (append query arg for all links?)

I'm developing a site on a server that the client has access to as well and what I'd like to do is show WP_DEBUG only for administrators. Referencing Yoast's article on a way around this: if ( isset($...
1
vote
1answer
966 views

Do WP_debug notices explain why my site runs so slow?

When I enable WP_DEBUG, I get lots of the following kinds of notices (see below). Of course, I normally don't have the debugging turned on, but I'm wondering if these are a clue as to why it takes so ...
0
votes
1answer
275 views

How to solve the fopen error?

I recently updated xampp to 1.8 and enabled xdebug. I'm not sure if this is the reason for this error message which I didn't see before: Warning: fopen(http://api.wordpress.org/plugins/info/1.0/): in ...
2
votes
1answer
154 views

Wordpress visual editor broke due to non standard port?

I recently installed WordPress on my own server, which uses non-port 80 Apache service. I could view posts but the tinymce editor constantly broke. More specifically, all menu items in visual editor ...
0
votes
1answer
5k views

register_sidebar_widget is deprecated since version 2.8! Use wp_register_sidebar_widget() instead

I turned on my Debugger and got this error... Notice: register_sidebar_widget is deprecated since version 2.8! Use wp_register_sidebar_widget() instead. in /home/content/19/9468119/html/wp-includes/...
1
vote
0answers
132 views

Debugging unserialize errors

NOTICE: wp-includes/functions.php:232 - unserialize() I get this error of varying lengths on the admin pages of several of the sub-blogs of my multisite instance. It doesn't happen on all the blogs, ...
0
votes
1answer
480 views

Add body class based on existance of post thumbnail. Code works but receiving PHP Notice

What I'm trying to do is add a body class based on whether there is a post thumbnail. The following works, but I get a PHP Notice. How can I fix the PHP Notice below? function ...
1
vote
2answers
405 views

How to debug a unit test for a WordPress plugin, which uses wordpress-test?

I'm attempting to debug a unit test for a WordPress plugin. The unit test uses wordpress-test (and PHPUnit). However, wordpress-test: calls system(php ...) the new external PHP process attempts to ...
0
votes
1answer
111 views

Different sql queries count indicator on the main page [closed]

I use w3_total_cache plugin. But i can`t understand what is going on sometimes. I have enabled database caching and debug info at the bottom. Sometimes on the main page 90-96 db queries, sometimes 495-...
0
votes
1answer
48 views

Strange Behavior of Page Template Dropdown

My wordpress is updated to latest version 3.4.1 and I noticed a strange function of it - in the Page attributes block page template dropdown has the value: (.*)\n)siU",$template_contents,$...
6
votes
2answers
320 views

Debugging WordPress themes with Xdebug, real time html output

Hi I'm using XDEBUG to debug my WordPress code, is it possible to view the page building up in the browser while debugging? At the moment the page just hangs until the debugging process is finished ...
2
votes
1answer
656 views

WP 3.4 has missing photo data

I just updated to WP3.4 and discovered that previously available images are no longer "found" by the system. By this I mean that all the image files remain online and accessible, but WP has lost ...
0
votes
1answer
885 views

How can I understand what is the cause of WP death (white screen)?

I have some problems on a admin side: when i try to filter posts according to any category, or when I publish a post, I see a white screen of WP death... The content of debug.log is: [17-Jun-2012 ...
0
votes
1answer
111 views

Getting a WordPress Debug Strategy

I have been reading up on debugging. I watched Chip Bennett's video on wordpress.tv and was inspired to take debugging seriously. What I have found in my reading up though has confused me a bit. I ...
0
votes
2answers
720 views

debugging errors.. how to remedy?

I had trouble accessing wp-login.php, so I changed the name of the theme I'm developing to force WP to switch to default. I then turned on debugging and received the errors below. I'm a little puzzled ...
5
votes
1answer
631 views

Weird behaviour when adding terms/term_taxonomies programmatically

This certainly looks like a bug to me. I put together the following code for you to test it on a fresh install. Basically, the code will add two sub categories under the "uncategorized" to achieve ...
1
vote
1answer
63 views

debugging wordpress

I noticed that when I'm working on a php page that loads wp programmatically, some of my errors are not fired. For example, a variables that has not initialized previously creates a warning when I ...