ACF multi images like gallery upload front end

multiacf.php

<div class="form-group mb-2 mt-3">
 <label>Upload Their Images</label>
 <br>
<input type="text" class="form-control">
<input type="file" name="uploads_images[]" class="files" size="50" multiple="multiple" />
 <?php wp_nonce_field( 'uploads_images', 'my_image_upload_nonce' ); ?>
 </div>   


if ($_FILES) {
   
           require_once( ABSPATH . 'wp-admin/includes/image.php' );
           require_once( ABSPATH . 'wp-admin/includes/file.php' );
           require_once( ABSPATH . 'wp-admin/includes/media.php' );
   
   
           $files = $_FILES['uploads_images'];
           $count = 0;
           $galleryImages = array();
   
   
           foreach ($files['name'] as $count => $value) {
   
               if ($files['name'][$count]) {
   
                   $file = array(
                       'name'     => $files['name'][$count],
                       'type'     => $files['type'][$count],
                       'tmp_name' => $files['tmp_name'][$count],
                       'error'    => $files['error'][$count],
                       'size'     => $files['size'][$count]
                   );
   
                   $upload_overrides = array( 'test_form' => false );
                   $upload = wp_handle_upload($file, $upload_overrides);
   
   
                   // $filename should be the path to a file in the upload directory.
                   $filename = $upload['file'];
   
                   // The ID of the post this attachment is for.
                   $parent_post_id = $post_id;
   
                   // Check the type of tile. We'll use this as the 'post_mime_type'.
                   $filetype = wp_check_filetype( basename( $filename ), null );
   
                   // Get the path to the upload directory.
                   $wp_upload_dir = wp_upload_dir();
   
                   // Prepare an array of post data for the attachment.
                   $attachment = array(
                       'guid'           => $wp_upload_dir['url'] . '/' . basename( $filename ), 
                       'post_mime_type' => $filetype['type'],
                       'post_title'     => preg_replace( '/\.[^.]+$/', '', basename( $filename ) ),
                       'post_content'   => '',
                       'post_status'    => 'inherit'
                   );
   
                   // Insert the attachment.
                   $attach_id = wp_insert_attachment( $attachment, $filename, $parent_post_id );
   
                   // Make sure that this file is included, as wp_generate_attachment_metadata() depends on it.
                   require_once( ABSPATH . 'wp-admin/includes/image.php' );
   
                   // Generate the metadata for the attachment, and update the database record.
                   $attach_data = wp_generate_attachment_metadata( $attach_id, $filename );
                   wp_update_attachment_metadata( $attach_id, $attach_data );
   
                   array_push($galleryImages, $attach_id);
   
               }
   
               $count++;
   
               // add images to the gallery field
               update_field('uploads_images', $galleryImages, $post_id);
   
           }