# Advanced Example
Elementor Core AdvancedThis more advanced example will include the use of custom fields, and controls where the user can set fields. The tag will calculate the average of those fields and include a single control where the user can set a comma-separated list of ACF field IDs.
# Folder Structure
The addon will have two files. The dynamic tag with its functionality. And the main file will register the tag and tags group.
elementor-acf-average-dynamic-tag/
|
├─ dynamic-tags/
| └─ acf-average-dynamic-tag.php
|
└─ elementor-acf-average-dynamic-tag.php
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# Plugin Files
elementor-acf-average-dynamic-tag.php
<?php
/**
* Plugin Name: Elementor ACF Average Dynamic Tag
* Description: Add dynamic tag that returns an ACF average.
* Plugin URI: https://elementor.com/
* Version: 1.0.0
* Author: Elementor Developer
* Author URI: https://developers.elementor.com/
* Text Domain: elementor-acf-average-dynamic-tag
*
* Requires Plugins: elementor
* Elementor tested up to: 3.21.0
* Elementor Pro tested up to: 3.21.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Register New Dynamic Tag Group.
*
* Register new site group for site-related tags.
*
* @since 1.0.0
* @param \Elementor\Core\DynamicTags\Manager $dynamic_tags_manager Elementor dynamic tags manager.
* @return void
*/
function register_site_dynamic_tag_group( $dynamic_tags_manager ) {
$dynamic_tags_manager->register_group(
'site',
[
'title' => esc_html__( 'Site', 'elementor-acf-average-dynamic-tag' )
]
);
}
add_action( 'elementor/dynamic_tags/register', 'register_site_dynamic_tag_group' );
/**
* Register ACF Average Dynamic Tag.
*
* Include dynamic tag file and register tag class.
*
* @since 1.0.0
* @param \Elementor\Core\DynamicTags\Manager $dynamic_tags_manager Elementor dynamic tags manager.
* @return void
*/
function register_acf_average_dynamic_tag( $dynamic_tags_manager ) {
require_once( __DIR__ . '/dynamic-tags/acf-average-dynamic-tag.php' );
$dynamic_tags_manager->register( new \Elementor_Dynamic_Tag_ACF_Average );
}
add_action( 'elementor/dynamic_tags/register', 'register_acf_average_dynamic_tag' );
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dynamic-tags/acf-average-dynamic-tag.php
<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Elementor Dynamic Tag - ACF Average
*
* Elementor dynamic tag that returns an ACF average.
*
* @since 1.0.0
*/
class Elementor_Dynamic_Tag_ACF_Average extends \Elementor\Core\DynamicTags\Tag {
/**
* Get dynamic tag name.
*
* Retrieve the name of the ACF average tag.
*
* @since 1.0.0
* @access public
* @return string Dynamic tag name.
*/
public function get_name() {
return 'acf-average';
}
/**
* Get dynamic tag title.
*
* Returns the title of the ACF average tag.
*
* @since 1.0.0
* @access public
* @return string Dynamic tag title.
*/
public function get_title() {
return esc_html__( 'ACF Average', 'elementor-acf-average-dynamic-tag' );
}
/**
* Get dynamic tag groups.
*
* Retrieve the list of groups the ACF average tag belongs to.
*
* @since 1.0.0
* @access public
* @return array Dynamic tag groups.
*/
public function get_group() {
return [ 'site' ];
}
/**
* Get dynamic tag categories.
*
* Retrieve the list of categories the ACF average tag belongs to.
*
* @since 1.0.0
* @access public
* @return array Dynamic tag categories.
*/
public function get_categories() {
return [ \Elementor\Modules\DynamicTags\Module::TEXT_CATEGORY ];
}
/**
* Register dynamic tag controls.
*
* Add input fields to allow the user to customize the ACF average tag settings.
*
* @since 1.0.0
* @access protected
* @return void
*/
protected function register_controls() {
$this->add_control(
'fields',
[
'label' => esc_html__( 'Fields', 'elementor-acf-average-dynamic-tag' ),
'type' => 'text',
]
);
}
/**
* Render tag output on the frontend.
*
* Written in PHP and used to generate the final HTML.
*
* @since 1.0.0
* @access public
* @return void
*/
public function render() {
$fields = $this->get_settings( 'fields' );
$sum = 0;
$count = 0;
$value = 0;
// Make sure that ACF if installed and activated
if ( ! function_exists( 'get_field' ) ) {
echo 0;
return;
}
foreach ( explode( ',', $fields ) as $index => $field_name ) {
$field = get_field( $field_name );
if ( (int) $field > 0 ) {
$sum += (int) $field;
$count++;
}
}
if ( 0 !== $count ) {
$value = $sum / $count;
}
echo $value;
}
}
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# The Result
The dynamic tag in a group view:
The dynamic tag controls:
