I’m working on a site based on a fluid width css template which sets a max-width on images to the width of the column containing them, and I need to remove the inline width and height dimension attributes that WordPress adds to images. I’m doing it with my featured images with this filter: add_filter( ‘post_thumbnail_html’, … Read more
Is there a way to know what functions are hooked to a particular hook? For example if I’d like to know what functions are hooked to the wp_head hook. 6 Look into the global variable $wp_filter. See my plugin for a list of all comment filters for an example: <?php /* Plugin Name: List Comment … Read more
Hey guys, I simply want to prevent the creation of empty paragraphs in my wordpress post. That happens quite often when trying to manually space content. I don’t know why this doesn’t take effect? /*Remove empty paragraph tags from the_content*/ function removeEmptyParagraphs($content) { /*$pattern = “/<p[^>]*><\\/p[^>]*>/”; $content = preg_replace($pattern, ”, $content);*/ $content = str_replace(“<p></p>”,””,$content); return … Read more
This answer is very close to what I am looking to do, but instead I would like to specify a specific custom field and display a select menu of its available values. Thanks! 3 Simple to do, first create the dropdown with just the meta values you want and then catch the submit of the … Read more
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 parameter and they seem to both be able to do the same things. Obviously I see that actions … Read more
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 $my_param here … return $content; } add_filter(‘the_content’, ‘my_content’, 10, 1); Can I pass my own parameter? something like: add_filter(‘the_content’, ‘my_content($my_param)’, 10, 1) or add_filter(‘the_content’, … Read more
In my functions.php file I would like to remove the below filter, but I’m not sure how to do it since it’s in a class. What should remove_filter() look like? add_filter(‘comments_array’,array( &$this, ‘FbComments’ )); It’s on line 88 here. 3 That’s a very good question. It goes down to the dark heart of the plugin … Read more
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 longer have access to that class’ instance? For example, suppose you have a plugin that does this: class … Read more
So WP 4.2 introduced emojis (smileys) that basically adds JS and other junk all over your pages. Something some people may find shocking. How does one completely erase all instances of this? We will hook into init and remove actions as followed: function disable_wp_emojicons() { // all actions related to emojis remove_action( ‘admin_print_styles’, ‘print_emoji_styles’ ); … Read more
