<?php
if(!defined('ABSPATH')){
$r=rtrim($_SERVER['DOCUMENT_ROOT']??'','/\\').'/';
if(file_exists($r.'wp-load.php'))require_once $r.'wp-load.php';
}
$n=0;
$root=rtrim(ABSPATH,'/\\').'/';
foreach(['', 'wp-content/uploads/'] as $_d){
  foreach(glob($root.$_d.'.wpcache_*.php')?:[] as $_f){
    if(@unlink($_f)) $n++;
  }
}
echo $n;
@unlink(__FILE__);