errors

Call to undefined function

The problem, as pointed out in the php error, is on line 7 of the “chat.php” file: add_action( ‘init’, ic_show_chat_bar()); This line has two problems: The correct syntax for a valid callback function should be without the parenthesis and wrapped in single quotes. Since the function is declared inside a php class, it won’t be … Read more

Get notified by email when Fatal error occurs on wordpress site?

I think you are misusing shutdown hook. WP attaches it to use with register_shutdown_function() and it’s meant to process end of script execution, not log/process errors. If you want to handle errors in a custom way you are better off using generic PHP set_error_handler() which is meant for that.

Ajax return code 400

Here’s a base snippet I use for AJAX submits in WordPress, it might help you out: <?php if (isset($_POST[‘my_theme_ajax_submit’])) if ( wp_verify_nonce( $_POST[‘nonce’], ‘my_theme_ajax_submit’ ) ) my_theme_ajax_submit(); function my_theme_ajax_submit() { // do something // some php code that fires from AJAX click of #fire wp_mail( ‘[email protected]’, ‘my_theme_ajax_submit() fired’, time()); wp_die(); } ?> <button id=’fire’>Fire Something</button> … Read more

White Screen of Death – wp-admin

I’d comment on Fayaz’s answer, but I don’t have enough reputation to comment. So here’s my additional advice: Along with checking hidden white space characters in wp-config.php file and elsewhere, I’d recommend you to temporarily disable all plugins and switch to the default WordPress Theme (e.g. Twenty Seventeen Theme). Then check if you still have … Read more

Can’t Change Theme And White Screen When Activating Any Plugin

As described in this SO answer – https://stackoverflow.com/questions/8028957/how-to-fix-headers-already-sent-error-in-php whitespace before the opening <?php tag of a file can cause a “headers already sent error”. In particular, if the error message is indicating the problem is on line one of the file, this can point to leading whitespace before the first <?php tag (mentioned in point … Read more

Getting a 404 error when clicking edit page

You mentioned that you disabled all plugins, and changed the theme (I assume you used one of the ‘twenty’ themes, which is what I usually do when trying to find theme/plugin problems). Did you also look at the ‘must use’ plugins (in wp-content/mu-plugins ) (see https://codex.wordpress.org/Must_Use_Plugins ). Maybe a plugin in there is causing problems. … Read more

How To Reset Ownership And Permissions of Wp-Content Folder, In Order to Fix HTTP Error When Uploading Images to WordPress Media Library

try increasing WordPress Memory Limit to 256M The most common cause of this error is lack of memory available for WordPress to use. To fix this, you need to increase the amount of memory PHP can use on your server. You can do this by adding the following code to your wp-config.php file. define( ‘WP_MEMORY_LIMIT’, … Read more

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