<?php
global $wpdb;
$types = array("post","page","smi_tool","smi_comparison","smi_product","smi_glossary");
$en = get_posts(array("post_type"=>$types,"numberposts"=>-1,"post_status"=>"publish","fields"=>"ids","suppress_filters"=>true,"lang"=>"en"));
$fixed=0;
foreach($en as $id){
  if(pll_get_post_language($id)!=="en") continue;
  $slug = get_post_field("post_name",$id);
  $base = preg_replace('/-\d+$/','',$slug);
  if($base===$slug) continue;
  // Kollidiert die Basis mit einem ANDEREN EN-Post? (gleiche Sprache => echte Kollision)
  $clash=false;
  foreach($en as $oid){ if($oid==$id) continue; if(pll_get_post_language($oid)==="en" && get_post_field("post_name",$oid)===$base){ $clash=true; break; } }
  if($clash){ echo "  SKIP $id ($slug) – EN-Kollision\n"; continue; }
  // Direkt in DB setzen (umgeht wp_unique_post_slug; Polylang trennt per Sprache).
  $wpdb->update($wpdb->posts, array("post_name"=>$base), array("ID"=>$id));
  clean_post_cache($id);
  echo "  $id: $slug -> $base\n";
  $fixed++;
}
echo "Fixed $fixed slugs.\n";