[ACF] Displays a link to edit a field group in the title of a field group for user and taxonomy pages on the backend.

wp-acf-edit-field-group-links.php

<?php
/**
 * Displays a link to edit a field group in the title of a field group for user and taxonomy pages on the backend.
 * I recommend moving the JS/CSS to your plugin/theme instead of loading it here. But this is a nice way to keep it portable.
 *
 * @param $fields
 * @param $post_id
 *
 * @return mixed
 */
function rs_display_edit_field_group_icon_on_user_profile( $fields, $post_id ) {
	if ( !is_admin() ) return $fields;
	
	// Get the screen being viewed
	$screen = function_exists('get_current_screen') ? get_current_screen() : false;
	if ( !$screen ) return $fields;
	
	// Ignore post types because they have a button already
	if ( $screen->post_type && !$screen->taxonomy ) return $fields;
	
	// Create a handle which will appear after the field group title (h2 tag)
	echo '<div class="rs-field-group-handle" data-post-id="'. esc_attr( $fields[0]['parent'] ) .'"></div>';
	
	// ONE TIME ONLY - Print the script on the page that will convert handles into buttons.
	static $script_displayed = false;
	if ( !$script_displayed ) {
		$script_displayed = true;
		?>
		<script type="text/javascript" id="rs-field-group-handler-script">
			jQuery(function() {
				var $handles = jQuery('.rs-field-group-handle');
				
				$handles.each(function() {
					var group_id = jQuery(this).attr('data-post-id');
					var $target = jQuery(this).prev('h2');
					if ( $target.length < 1 ) return;
					
					$target.each(function() {
						var $a = jQuery('<a>');
						
						$a
							.addClass('rs-field-group-handle-link')
							.attr('href', 'post.php?post='+ group_id +'&action=edit' )
							.attr('title', 'Edit field group')
							.attr('target', '_blank')
							.html('<span class="dashicons dashicons-admin-generic"></span>');
						
						jQuery(this).append($a);
					});
					
				}).remove();
				
				jQuery('#rs-field-group-handler-script').remove();
			});
		</script>
		<style type="text/css">
		a.rs-field-group-handle-link {
		    font-size: 14px;
		    margin-left: 4px;
		    text-decoration: none;
		    color: #494c4e
		}
		
		a.rs-field-group-handle-link .dashicons {
		    font-size: 16px;
		    position: relative;
		    top: 2px
		}
		</style>
		<?php
	}
	
	return $fields;
}
add_filter( 'acf/pre_render_fields', 'rs_display_edit_field_group_icon_on_user_profile', 20, 2 );