diff --git a/php/src/db/CapacitorStorage.php b/php/src/db/CapacitorStorage.php
index 2801fca..1773198 100644
--- a/php/src/db/CapacitorStorage.php
+++ b/php/src/db/CapacitorStorage.php
@@ -388,7 +388,7 @@ EOT;
     if ($func !== null) {
       $updates = func::with($func)
         ->prependArgs([$item, $values, $pvalues])
-        ->bind($channel, true)
+        ->bind($channel)
         ->invoke();
       if ($updates === [false]) return 0;
       if (is_array($updates) && $updates) {
@@ -603,7 +603,7 @@ EOT;
   function _each(CapacitorChannel $channel, $filter, $func, ?array $args, ?array $mergeQuery=null, ?int &$nbUpdated=null): int {
     $this->_create($channel);
     if ($func === null) $func = CapacitorChannel::onEach;
-    $onEach = func::with($func)->bind($channel, true);
+    $onEach = func::with($func)->bind($channel);
     $db = $this->db();
     # si on est déjà dans une transaction, désactiver la gestion des transactions
     $manageTransactions = $channel->isManageTransactions() && !$db->inTransaction();
@@ -671,7 +671,7 @@ EOT;
   function _delete(CapacitorChannel $channel, $filter, $func, ?array $args): int {
     $this->_create($channel);
     if ($func === null) $func = CapacitorChannel::onDelete;
-    $onEach = func::with($func)->bind($channel, true);
+    $onEach = func::with($func)->bind($channel);
     $db = $this->db();
     # si on est déjà dans une transaction, désactiver la gestion des transactions
     $manageTransactions = $channel->isManageTransactions() && !$db->inTransaction();
diff --git a/php/src/db/_private/_config.php b/php/src/db/_private/_config.php
index e72b526..4a9ab06 100644
--- a/php/src/db/_private/_config.php
+++ b/php/src/db/_private/_config.php
@@ -29,7 +29,7 @@ class _config {
       if (is_string($config) && !func::is_method($config)) {
         $db->exec($config);
       } else {
-        func::with($config)->bind($this, true)->invoke([$db, $key]);
+        func::with($config)->bind($this)->invoke([$db, $key]);
       }
     }
   }
diff --git a/php/src/db/_private/_migration.php b/php/src/db/_private/_migration.php
index 761addf..f11cbb8 100644
--- a/php/src/db/_private/_migration.php
+++ b/php/src/db/_private/_migration.php
@@ -64,7 +64,7 @@ abstract class _migration {
       if (is_string($migration) || !func::is_callable($migration)) {
         $db->exec($migration);
       } else {
-        func::with($migration)->bind($this, true)->invoke([$db, $name]);
+        func::with($migration)->bind($this)->invoke([$db, $name]);
       }
       $this->setMigrated($name, true);
     }
diff --git a/php/src/db/pdo/Pdo.php b/php/src/db/pdo/Pdo.php
index 2a970fa..78e38db 100644
--- a/php/src/db/pdo/Pdo.php
+++ b/php/src/db/pdo/Pdo.php
@@ -120,7 +120,7 @@ class Pdo implements IDatabase {
       $dbconn = $this->dbconn;
       $options = $this->options;
       if (is_callable($options)) {
-        $options = func::with($options)->bind($this, true)->invoke();
+        $options = func::with($options)->bind($this)->invoke();
       }
       $this->db = new \PDO($dbconn["name"], $dbconn["user"], $dbconn["pass"], $options);
       _config::with($this->config)->configure($this);
diff --git a/php/src/db/pgsql/Pgsql.php b/php/src/db/pgsql/Pgsql.php
index b5bf9d8..34d82dc 100644
--- a/php/src/db/pgsql/Pgsql.php
+++ b/php/src/db/pgsql/Pgsql.php
@@ -136,7 +136,7 @@ class Pgsql implements IDatabase {
       $connection_string = implode(" ", array_filter($connection_string));
       $options = $this->options;
       if (is_callable($options)) {
-        $options = func::with($options)->bind($this, true)->invoke();
+        $options = func::with($options)->bind($this)->invoke();
       }
       $forceNew = $options["force_new"] ?? false;
       $flags = $forceNew? PGSQL_CONNECT_FORCE_NEW: 0;
diff --git a/php/src/file/tab/AbstractBuilder.php b/php/src/file/tab/AbstractBuilder.php
index 2affcc8..3ec767d 100644
--- a/php/src/file/tab/AbstractBuilder.php
+++ b/php/src/file/tab/AbstractBuilder.php
@@ -35,7 +35,7 @@ abstract class AbstractBuilder extends TempStream implements IBuilder {
     $this->rows = $rows;
     $this->index = 0;
     $cookFunc = $params["cook_func"] ?? null;
-    if ($cookFunc !== null) $cookFunc = func::with($cookFunc)->bind($this, true);
+    if ($cookFunc !== null) $cookFunc = func::with($cookFunc)->bind($this);
     $this->cookFunc = $cookFunc;
     $this->output = $params["output"] ?? static::OUTPUT;
     $maxMemory = $params["max_memory"] ?? null;
diff --git a/php/src/php/content/c.php b/php/src/php/content/c.php
index 4105846..ebf4c52 100644
--- a/php/src/php/content/c.php
+++ b/php/src/php/content/c.php
@@ -82,7 +82,7 @@ class c {
             $arg = self::resolve($arg, $object_or_class, false);
             if (!$array) $arg = $arg[0];
           }; unset($arg);
-          $value = func::with($func, $args)->bind($object_or_class, true)->invoke();
+          $value = func::with($func, $args)->bind($object_or_class)->invoke();
         }
       }
       if ($seq) $dest[] = $value;
diff --git a/php/src/php/func.php b/php/src/php/func.php
index 26361f7..90a1cff 100644
--- a/php/src/php/func.php
+++ b/php/src/php/func.php
@@ -649,9 +649,9 @@ class func {
     else return $this->bound && $this->object !== null;
   }
 
-  function bind($object, bool $unlessAlreadyBound=false, bool $replace=false): self {
+  function bind($object, bool $rebind=false, bool $replace=false): self {
     if ($this->type !== self::TYPE_METHOD) return $this;
-    if ($this->bound && $unlessAlreadyBound) return $this;
+    if (!$rebind && $this->isBound()) return $this;
 
     [$c, $f] = $this->func;
     if ($replace) {
diff --git a/php/tests/php/funcTest.php b/php/tests/php/funcTest.php
index 45a0581..22fa882 100644
--- a/php/tests/php/funcTest.php
+++ b/php/tests/php/funcTest.php
@@ -1102,15 +1102,25 @@ namespace nulib\php {
     }
 
     function testRebind() {
+      # bind if not already bound
+      $func = func::with([C1::class, "tmethod"]);
+      // bind
+      self::assertSame(11, $func->bind(new C1(0))->invoke());
+      // pas de bind, puis que déjà bound
+      self::assertSame(11, $func->bind(new C1(1))->invoke());
+      // même si l'objet est de type différent, pas de bind
+      self::assertSame(11, $func->bind(new C0())->invoke());
+
+      # force rebind
       $func = func::with([C1::class, "tmethod"]);
       // objets du même type
-      self::assertSame(11, $func->bind(new C1(0))->invoke());
-      self::assertSame(12, $func->bind(new C1(1))->invoke());
+      self::assertSame(11, $func->bind(new C1(0), true)->invoke());
+      self::assertSame(12, $func->bind(new C1(1), true)->invoke());
       // objets de type différent
       self::assertException(ValueException::class, function() use ($func) {
-        $func->bind(new C0())->invoke();
+        $func->bind(new C0(), true)->invoke();
       });
-      self::assertSame(11, $func->bind(new C0(), false, true)->invoke());
+      self::assertSame(11, $func->bind(new C0(), true, true)->invoke());
     }
 
     function testModifyArgs() {