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<?php
/**
 * 1. Add action Hook before Insert/update CCT, set 'validate-cct' as hook name - https://i.imgur.com/48wcTA4.png
 * 2. Replace 'tournaments' with your actual CCT slug
 * 3. Replace 'name' with actual parameters to find similar items
 */
add_filter( 'jet-form-builder/custom-filter/validate-cct', function( $result, $request, $action ) {

	$cct_slug = 'tournaments';
	$cct      = \Jet_Engine\Modules\Custom_Content_Types\Module::instance()->manager->get_content_types( $cct_slug );

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<?php
namespace Jet_Engine\Query_Builder\Queries;

// put this file into jet-engine\includes\components\query-builder\queries\ and replace initial file
// this comment is actual until 3.0.3 version

abstract class Base_Query {

	public $id            = false;
	public $name          = false;

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<?php
// Base arg class. all args must extend it
abstract class Base_Arg {
	
	// returns main arg
	abstract public function get_arg();
	
	// returns main arg label for UI control
	abstract public function get_name();
	

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<?php

add_action( 'init', function() {
	
	// Check if need to do an API request
	if ( empty( $_GET['test_api_request'] ) ) {
		return;
	}

	// get remote data

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<?php

add_filter( 'jet-engine/listings/ajax-listing-url', function( $url ) {
	return esc_url( admin_url( 'admin-ajax.php' ) );
} );

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<?php
/**
 * Update related item from form action/notification
 *
 * @param  array  $args [description]
 * @return [type]       [description]
 */
function my_update_related_items( $args = array() ) {

	$relation  = ! empty( $args['relation'] ) ? $args['relation'] : false;

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<?php
/**
 * Get fields for the given context and object
 * Should be called on hook 'init' with priority 11 or later
 */

// Fields for Post post type
$post_fields = jet_engine()->meta_boxes->get_fields_for_context( 'post_type', 'post' );

// Fields for Product post type

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<?php
/**
 * Adds custom fields into the insert new related item popup.
 
 * Hook name - jet-engine/relations/types/posts/create-fields - depends on type of created item,
 * for CPT it will be - jet-engine/relations/types/posts/create-fields
 * for terms - jet-engine/relations/types/terms/create-fields
 * for users - jet-engine/relations/types/mix/create-fields/users
 *
 * just replace 'jobs' in the example with your actual post type/taxonomy slug

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<?php

add_filter( 'jet-engine/listing/grid/posts-query-args', function( $args, $widget, $settings ) {

	if ( 'custom-query' === $settings['_css_classes'] ) {

		$args['meta_query'][] = array(
			'relation' => 'OR',
			0 => array(
				'key' => 'submission-date',

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<?php

/**
 * Note! Always include mcros file only on 'jet-engine/register-macros' hook - before base class is not avaialable, 
 * after - all macros already registered and you can't insert a new one.
 */
add_action( 'jet-engine/register-macros', function() {
	require_once get_theme_file_path( 'macros.php' );
	new My_JE_Macros();
} );