Is there a function that resolve the problem to show bool(false) when I call get_post_meta using Ajax. Bool(false) display with a var_dump Otherwise I have nothing.

I get this problem only with ajax. With my single.php the get_post_meta is displayed.

I don’t have error, only “bool(false)”.
Do you know where the problem comes from ?

Here is my code:

function more_content() {
$the_post_id =  $_POST['the_ID'];
$args = array(
 'post_type' => 'post',
 'p' => $the_post_id
);
$ajax_query = new WP_Query($args);

if ( $ajax_query->have_posts() ) : while ( $ajax_query->have_posts() ) : 
$ajax_query->the_post();

$meta_video1 = get_post_meta($post->ID, 'video1', true);
$meta_video2 = get_post_meta($post->ID, 'video2', true);
$meta_video3 = get_post_meta($post->ID, 'video3', true);

$meta_image1 = get_post_meta($post->ID, 'image1', true);
$meta_image2 = get_post_meta($post->ID, 'image2', true);
$meta_image3 = get_post_meta($post->ID, 'image3', true);

if ( metadata_exists( 'post', $post->ID , 'video1'  ) ){ echo $s_cv . $meta_video1 . $e_c ; }
if ( metadata_exists( 'post', $post->ID , 'video2'  ) ){ echo $s_cv . $meta_video2 . $e_c ; }
if ( metadata_exists( 'post', $post->ID , 'video3'  ) ){ echo $s_cv . $meta_video3 . $e_c ; }
if ( metadata_exists( 'post', $post->ID , 'image1'  ) ){ echo $s_ci . $s_src . $meta_image1 . $e_src . $e_c;}
if ( metadata_exists( 'post', $post->ID, 'image2'  ) ){ echo $s_ci . $s_src . $meta_image2 . $e_src . $e_c;}
if ( metadata_exists( 'post', $post->ID , 'image3'  ) ){ echo $s_ci . $s_src . $meta_image3 . $e_src . $e_c;}

And the ajax call :

jQuery(document).ready(function(){
 jQuery('.post-link').click(function() {
    var post_id = jQuery(this).attr("id");

    jQuery.post(
      ajaxurl,
      {
          'action': 'more_content',
          'the_ID': post_id
      },

      function(response){
        jQuery('#more-content').html(response);
      }     
    );
  return false;
});});