I think your answer is about escaping not execution, e.g.: Why does this text appear bold versus: <b>Why does this text appear bold</b> The problem is escaping, but first, some notes: The Problem With Calling it Execution Executing is the wrong word to use, which is why your googling did not yield results. No PHP … Read more
Quoting this answer, which came up when I searched for your error message: (emphasis mine) You cannot use “use” where you are using it. The “use” keyword is either in front of a class definition to import other classes/interfaces/traits into it’s own namespace, or it is inside the class (but not inside a method) to … Read more
Linting only supports 7.0 and down. Nullable Types are available in PHP 7.1, so 7.1 code will fail. You will have to change it. Good Luck!
str_pad is the function you’re looking for. echo str_pad( get_the_ID(), 5, “0”, STR_PAD_LEFT); This should do the trick.
wp-admin/custom-background.php
I was having a similar error when using a WP_Query as given at https://wordpress.stackexchange.com/a/42334/16898. I replaced the variable name $posts with an arbitrary name $mposts and the error was gone.
What is happening is that your theme does not have support for featured image. What you need to do is add in the functions.php file of your theme the line : if (function_exists(‘add_theme_support’)) { add_theme_support( ‘post-thumbnails’ ); } and then you will be able to use featured image in your theme
This is actually a PHP question, and not a WordPress question. The issue is that global variables don’t pass through the include()/require() call from the template file into header.php. The solution is to define $data after you globalize it. Without knowing your options framework or your Theme specifically, I can only answer in general terms; … Read more
I confess that I’m slightly confused by how your sending email function loads posts into your sidebar…the code does not seem to be doing the thing that you described. Are you loading WordPress in sendContactForm.php? Is what you’ve shown here the only code in sendContactForm.php? get_option() is a WordPress function, so you need to load … Read more
What this code can do actually in WordPress? This code allows arbitrary execution of PHP on your server. Deleting the file is enough to remove the problem? You’ll need to delete all files that contain backdoor like this. Look at every file on your system and compare it to the WordPress repository. In the last … Read more