Snippet : Debug ajax response by calling it from browser url

wordpress-debug-ajax.php

<?php
add_action( 'wp_ajax_testttt', 'testttt' );
	function testttt() {
		$our_people = new WP_Query(
			array(
				'post_type'      => array( 'people' ),
				'posts_per_page' => '4',
				'post_status'    => array( 'publish' ),
				'orderby'        => 'rand',
				'meta_query'     => array(
					'relation' => 'OR',
					array(
						'key'     => 'feature_on_homepage',
						'value'   => 'Feature',
						'compare' => '=',
					),
					array(
						'key'     => 'feature_on_homepage',
						'value'   => 'Include',
						'compare' => '=',
					),
				),
			)
		);

		if ( $our_people->have_posts() ) :
			while ( $our_people->have_posts() ) :
				$our_people->the_post();
				the_title();
				echo '<br/>';
			endwhile;
		endif;

	die();
}

add_action('init',function() {
	if(isset($_GET['testttt']) )
		testttt();
	}
});