each time you call the shortcode function, you overwrite the previous script var with the current version. make it an array instead of a string: self::$var[] = $script; and then output with foreach: public static function footer() { foreach( self::$var as $script ){ echo $script; } }
Admin ajax add tag callback
You have to escape the quotation marks like this. <input type=”radio” name=”%1$s[%2$s]” onclick= “showChoosenField(\’%3$s\’)” value=”<?php checked(\’%3$s\’, get_option(\’%1$s[%2$s]\’), true); ?>”/>
Customizer: Category Select Sanitize
I think that the right solution is to have the form embeded in the page. In the big scheme of things the extra html bloat is nothing when you compare it to all the images and JS you are likely to serve. As for AJAX, in wordpress there are only two good solutions, the AJAX … Read more
Short answer “no”, using globals is never a best practice, indicates that you might be trying to do something in the wrong place, and should be left as a last resort. In your snippet for example you have no idea who set the $post, was it set in the loop or outside it, was it … Read more
Like Jacob Peattie has said above, the query is actually only made once. The extra processing really is negligible, as would be the load time of the page. So don’t worry about it.
Shortcode function executed twice?
Creating a Callback URL for WordPress Woocommerce to update Order Status
Callback to custom field is not working in WordPress REST API