wordpress ajax handler

gistfile1.txt

<?php
/**
* 
 * Call functions from here
 * 
 * Note: this file does not override the parent themes functions file.
 * Instead, it gets loaded _before_ the parents functions.php gets loaded
 *
 */
/*
/* testimonials custom post type
*/


$dirName = dirname(__FILE__);
$baseName = basename(realpath($dirName));


function add_admin_url_to_header() { 

$admin_url = '"' . admin_url('admin-ajax.php') . '"' ;
echo '<script>var ajaxurl = ' . $admin_url . '</script>'  ;
} 
add_action('wp_head','add_admin_url_to_header');


function send_ajax() {
 
wp_send_json_success(); //give true and die
 
//echo  example
echo "hello from ajax_send";
die();
}
add_action('wp_ajax_send_ajax','send_ajax'); 
add_action('wp_ajax_nopriv_send_ajax','send_ajax');




include_once("inc/cpt_testimonials.php") ;

function testimonialsUI_styles() 
{
  
    wp_enqueue_style( 'testimonialsUI_styles', get_stylesheet_directory_uri().'/stylesheets/testimonialsUI.css' );
}
add_action( 'wp_enqueue_scripts', 'testimonialsUI_styles' ); 

function load_testimonial_behaviours()
{

 wp_enqueue_script(
 	'testimonials_UI',
 	 get_stylesheet_directory_uri() . '/inc/testimonial-ui-behaviours.js',
 	array('jquery')
 	);
}
add_action('wp_enqueue_scripts', 'load_testimonial_behaviours');