Delete empty export files created by WP All Import

delete_empty_export.php

<?php
/*
###################  READ ME  #################################
Hooks into pmxe_after_export and deletes the export files if no posts were found.
This is provided in the hopes it is useful, but without any support.
###############################################################
Instructions:
The code needs to be added to your theme functions.php or by using a plugin like Code Snippets:
https://wordpress.org/plugins/code-snippets/
###############################################################
*/


add_action('pmxe_after_export', 'wpae_get_file_after_export', 10, 2);
function wpae_get_file_after_export($export_id, $exportObj){
        $is_secure_export = PMXE_Plugin::getInstance()->getOption('secure');
        
        if (!$is_secure_export) {
                $filepath = get_attached_file($exportObj->attch_id);                    
        } else {
                $filepath = wp_all_export_get_absolute_path($exportObj->options['filepath']);
        }
        
        $filename = basename( $filepath );
        $path = str_replace( $filename, '', $filepath );
        if ( $exportObj->exported == 0 ) {
                $filename = explode( ".", $filename );
                $full_glob_search = $path . "*" . $filename[0] . "*";;
                if ( $files = glob( $full_glob_search ) ) {
                        foreach ( $files as $file ) {
                                unlink( $file );
                        }
                }
        }
}