Editing edit-tags.php page in wp-admin
You can use the dynamic {$taxonomy}_term_new_form_tag action, where you replace {$taxonomy} with your taxonomy slug. Example1) For the post_tag taxonomy: add_action( ‘post_tag_term_new_form_tag’, function() { printf( ‘><div class=”form-field”>%s</div’, esc_html__( ‘Some content’, ‘mydomain’ ) ); }, PHP_INT_MAX ); 1) Update: I didn’t noticed at first that this is inside the <form> tag, so this is a hack … Read more