Taxonomy search filters

You could make use of add_query_arg() and remove_query_arg() here. For example http://yourdomain.com/?country=india&institute=pune-university would show results of Pune University in India. You could add s=symbiosis to search in the filtered results too. Basically this url would help you out -> http://codex.wordpress.org/Function_Reference/add_query_arg

Filter dashboard custom post listing by user

pre_get_posts is correct. the code from will prevent any non-admin from seeing anyone else’s posts. http://blog.rutwick.com/display-only-the-posts-authored-by-the-current-wp-user-on-the-posts-page-in-the-back-end to limit that to only 1 post type you’d add in one more condition and check $typenow == ‘your_custom_post_type’: add_action(‘pre_get_posts’, ‘filter_posts_list’); function filter_posts_list($query) { //$pagenow holds the name of the current page being viewed global $pagenow, $typenow; //$current_user uses … Read more

Add HTML to Page Content

Indeed! It’s a filter called ‘the_content’, to which numerous other functions are hooked such as the one that turns WordPress into WordPress, oembeds, and the p tag wrapping echo apply_filter(‘the_content’,$data->the_content);

Override typo in multiple parent theme files?

You can override it, but you’ll have to create Child-Theme versions of archive.php, attachment.php, and single.php. Since it’s a translation string, you might be able to do something hackish, like provide a en_US.MO file that translates “Filled under” as “Filed under” (or whatever you want). But that gets tricky – and This Theme appears to … Read more

post->post_content filter

You use preg_replace function incorrectly. This function returns replaced content: add_filter( ‘the_content’, ‘wpdu_image_replace’ ); function wpdu_image_replace( $content ) { return preg_replace( ‘/<img.*?src=”https://wordpress.stackexchange.com/questions/55241/(.*?)”.*?>/’, ‘<a href=”$1″>Image file</a>’, $content ); } Also pay attention that you don’t have to use global variable $post, because content of the post is passed to your function as first argument.

confusion with add_filter

Your syntax is wrong, you’re mixing up the html and php function at the beginning. See Filter here – wp-includes/general-template.php#L151 I think we should return the form, instead of printing it, See my example, It should work, If you want to modify something, do it in function. Example – function savior_search(){ //Modify This $form = … Read more

Which hook should be used in this case?

I believe it’s a simple difference, here; you are echoing with e() – try returning with _() instead: function custom_title_text( $title ){ return __( ‘Enter Name here’ ); } add_filter( ‘enter_title_here’, ‘custom_title_text’ );