WP custom meta boxes

page-meta.php

<?php
$slides = new_cmb2_box(array(
    'id' => 'slides_metabox',
    'title' => 'Slides',
    'object_types' => array(
        'slides',
    ) , // Post type
    'context' => 'normal',
    'priority' => 'high',
    'show_names' => true,
));

$slides->add_field(array(
    'name' => __('Link URL', 'cmb2') ,
    'desc' => __('optional', 'cmb2') ,
    'id' => $prefix . 'slide_link',
    'type' => 'text',
    // 'repeatable'      => true,
    
));

$slides->add_field(array(
    'name' => __('Slide Image', 'cmb2') ,
    'desc' => __('Upload an image or enter a URL.', 'cmb2') ,
    'id' => $prefix . 'slide_image',
    'type' => 'file',
));

?>

wp-custom-meta-boxes-functions-snippet.txt

//////////////////////////////////////////////////////////////
///////////////  FETCH THE CUSTOM META BOXES /////////////////
//////////////////////////////////////////////////////////////

if ( file_exists(  __DIR__ . '/post-types/metabox/init.php' ) ) {
  require_once  __DIR__ . '/post-types/metabox/init.php';
} 
 
add_action( 'cmb2_admin_init', 'jess_metaboxes' );

function jess_metaboxes() {
$prefix = '';
   require_once(TEMPLATEPATH . '/post-types/metabox/page-meta.php');
   require_once(TEMPLATEPATH . '/post-types/metabox/slide-meta.php');

}

wp-custom-meta-boxes-query.php

<?php
$slides = get_post_meta($post->ID, 'slides', true);  
?>

wp-custom-meta-boxes-repeatable-query.php

<?php  $slides = get_post_meta($post->ID, 'slides', true);  ?>

<?php foreach ( $slides as $slide ) { ?>
<?php
	$image = $slide['slide_image'];
?>

<img src="<?php echo $slide['slide_image']; ?>" alt="" />

<?php } ?>