diff --git a/php/src/file/tab/AbstractBuilder.php b/php/src/file/tab/AbstractBuilder.php
index 3ec767d..65e301f 100644
--- a/php/src/file/tab/AbstractBuilder.php
+++ b/php/src/file/tab/AbstractBuilder.php
@@ -118,6 +118,10 @@ abstract class AbstractBuilder extends TempStream implements IBuilder {
     if ($unsetRows) $this->rows = null;
   }
 
+  function getCount(): int {
+    return $this->index;
+  }
+
   abstract protected function _sendContentType(): void;
 
   protected bool $sentHeaders = false;
diff --git a/php/src/file/tab/IBuilder.php b/php/src/file/tab/IBuilder.php
index 9cc794e..536b4a6 100644
--- a/php/src/file/tab/IBuilder.php
+++ b/php/src/file/tab/IBuilder.php
@@ -8,6 +8,11 @@ interface IBuilder extends \nulib\file\IReader {
 
   function writeAll(?iterable $rows=null): void;
 
+  /**
+   * @return int le nombre de ligne qui ont été écrites (sans compte l'en-tête)
+   */
+  function getCount(): int;
+
   function sendHeaders(): void;
 
   function sendFile(?iterable $rows=null): int;