diff --git a/bin/._pman-composer_local_deps.php b/bin/._pman-composer_local_deps.php
new file mode 100755
index 0000000..92aeda8
--- /dev/null
+++ b/bin/._pman-composer_local_deps.php
@@ -0,0 +1,14 @@
+#!/usr/bin/php
+<?php
+require __DIR__ . "/../php/vendor/autoload.php";
+
+use nulib\tools\pman\ComposerFile;
+use nulib\tools\pman\ComposerPmanFile;
+use nulib\ValueException;
+
+$composer = new ComposerFile();
+
+$deps = $composer->getLocalDeps();
+foreach ($deps as $dep => $path) {
+  echo "$path\n";
+}
diff --git a/bin/._pman-composer_select_profile.php b/bin/._pman-composer_select_profile.php
new file mode 100755
index 0000000..75cb8d9
--- /dev/null
+++ b/bin/._pman-composer_select_profile.php
@@ -0,0 +1,22 @@
+#!/usr/bin/php
+<?php
+require __DIR__ . "/../php/vendor/autoload.php";
+
+use nulib\tools\pman\ComposerFile;
+use nulib\tools\pman\ComposerPmanFile;
+use nulib\ValueException;
+
+$composer = new ComposerFile();
+$config = new ComposerPmanFile();
+
+if ($argc <= 1) {
+  throw new ValueException("Il faut spécifier le profil à sélectionner");
+}
+$profile = $argv[1];
+
+$composer->selectProfile($profile, $config);
+if (getenv("PMAN_COMPOSER_DEBUG")) {
+  $composer->print();
+} else {
+  $composer->write();
+}
diff --git a/bin/_merge82 b/bin/_merge82
index e372fb8..7ccedb2 100755
--- a/bin/_merge82
+++ b/bin/_merge82
@@ -1,4 +1,12 @@
 #!/bin/bash
 # -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+source "$(dirname -- "$0")/../load.sh" || exit 1
 
-exec "$(dirname -- "$0")/pmer" --tech-merge -Bdev82 dev74 -a "git checkout dev74" "$@"
+dev74=1
+args=(
+    "merger la branche dev74 dans la branche dev82"
+    -n,--no-dev74 dev74= "ne pas basculer sur la branche dev74 après la fusion"
+)
+parse_args "$@"; set -- "${args[@]}"
+
+exec "$MYDIR/pmer" --tech-merge -Bdev82 dev74 ${dev74:+-a "git checkout dev74"} "$@"
diff --git a/bin/_pman-composer_local_deps.php b/bin/_pman-composer_local_deps.php
deleted file mode 100755
index 92aeda8..0000000
--- a/bin/_pman-composer_local_deps.php
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/php
-<?php
-require __DIR__ . "/../php/vendor/autoload.php";
-
-use nulib\tools\pman\ComposerFile;
-use nulib\tools\pman\ComposerPmanFile;
-use nulib\ValueException;
-
-$composer = new ComposerFile();
-
-$deps = $composer->getLocalDeps();
-foreach ($deps as $dep => $path) {
-  echo "$path\n";
-}
diff --git a/bin/_pman-composer_local_deps.php b/bin/_pman-composer_local_deps.php
new file mode 120000
index 0000000..42fbf67
--- /dev/null
+++ b/bin/_pman-composer_local_deps.php
@@ -0,0 +1 @@
+runphp
\ No newline at end of file
diff --git a/bin/_pman-composer_select_profile.php b/bin/_pman-composer_select_profile.php
deleted file mode 100755
index 75cb8d9..0000000
--- a/bin/_pman-composer_select_profile.php
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/usr/bin/php
-<?php
-require __DIR__ . "/../php/vendor/autoload.php";
-
-use nulib\tools\pman\ComposerFile;
-use nulib\tools\pman\ComposerPmanFile;
-use nulib\ValueException;
-
-$composer = new ComposerFile();
-$config = new ComposerPmanFile();
-
-if ($argc <= 1) {
-  throw new ValueException("Il faut spécifier le profil à sélectionner");
-}
-$profile = $argv[1];
-
-$composer->selectProfile($profile, $config);
-if (getenv("PMAN_COMPOSER_DEBUG")) {
-  $composer->print();
-} else {
-  $composer->write();
-}
diff --git a/bin/_pman-composer_select_profile.php b/bin/_pman-composer_select_profile.php
new file mode 120000
index 0000000..42fbf67
--- /dev/null
+++ b/bin/_pman-composer_select_profile.php
@@ -0,0 +1 @@
+runphp
\ No newline at end of file
diff --git a/bin/jsondiff b/bin/jsondiff
new file mode 100755
index 0000000..a0df237
--- /dev/null
+++ b/bin/jsondiff
@@ -0,0 +1,24 @@
+#!/bin/bash
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+source "$(dirname -- "$0")/../load.sh" || exit 1
+
+args=(
+    "comparer deux fichiers JSON"
+    "first.json second.json"
+)
+parse_args "$@"; set -- "${args[@]}"
+
+first="$1"; shift
+[ -n "$first" ] || die "vous devez spécifier le premier fichier"
+second="$1"; shift
+[ -n "$second" ] || die "vous devez spécifier le deuxième fichier"
+
+if [ $# -gt 0 ]; then
+    options=("$@")
+else
+    options=(-u)
+fi
+
+diff "${options[@]}" \
+     <(jq . <"$first") \
+     <(jq . <"$second")
diff --git a/bin/runphp b/bin/runphp
index 81a4f81..3e59b61 100755
--- a/bin/runphp
+++ b/bin/runphp
@@ -20,14 +20,25 @@ while true; do
     cd ..
 done
 
-if [ -z "$PROJDIR" ]; then
-    # s'il n'y a pas de projet, --bs est l'action par défaut
-    [ $# -gt 0 ] || set -- --bs --ue
-elif [ "$MYNAME" == composer ]; then
+export RUNPHP_MOUNT=
+if [ "$MYNAME" == composer ]; then
     set -- composer "$@"
+elif [[ "$MYNAME" == *.php ]]; then
+    # frontend pour une commande php
+    set -- php "$MYDIR/.$MYNAME" "$@"
+    # s'assurer que NULIBDIR est monté
+    RUNPHP_MOUNT="$NULIBDIR"
+elif [ $# -eq 0 ]; then
+    # s'il n'y a pas de projet, --bs est l'action par défaut
+    [ -n "$PROJDIR" ] || set -- --bs --ue
 else
     case "$1" in
-    *.php|*.phar) set -- php "$@";;
+    *.php|*.phar)
+        set -- php "$@"
+        # s'assurer que le répertoire du script est monté
+        setx RUNPHP_MOUNT=dirname "$1"
+        setx RUNPHP_MOUNT=abspath "$RUNPHP_MOUNT"
+        ;;
     esac
 fi
 
diff --git a/composer.lock b/composer.lock
index 23b756f..d7a5d80 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2d630ab5ff0ffe6139447cf93c362ed7",
+    "content-hash": "4569957a35f86d8a4964d01c7358935c",
     "packages": [
         {
             "name": "symfony/deprecation-contracts",
@@ -361,16 +361,16 @@
         },
         {
             "name": "nikic/php-parser",
-            "version": "v5.4.0",
+            "version": "v5.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "447a020a1f875a434d62f2a401f53b82a396e494"
+                "reference": "ae59794362fe85e051a58ad36b289443f57be7a9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/447a020a1f875a434d62f2a401f53b82a396e494",
-                "reference": "447a020a1f875a434d62f2a401f53b82a396e494",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/ae59794362fe85e051a58ad36b289443f57be7a9",
+                "reference": "ae59794362fe85e051a58ad36b289443f57be7a9",
                 "shasum": ""
             },
             "require": {
@@ -413,9 +413,9 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v5.4.0"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v5.5.0"
             },
-            "time": "2024-12-30T11:07:19+00:00"
+            "time": "2025-05-31T08:24:38+00:00"
         },
         {
             "name": "nulib/tests",
diff --git a/php/src/db/Capacitor.php b/php/src/db/Capacitor.php
index 4b3eb89..8c62b42 100644
--- a/php/src/db/Capacitor.php
+++ b/php/src/db/Capacitor.php
@@ -143,6 +143,19 @@ class Capacitor implements ITransactor {
     return $this->storage->_charge($this->channel, $item, $func, $args, $row);
   }
 
+  function chargeAll(?iterable $items, $func=null, ?array $args=null): int {
+    $count = 0;
+    if ($items !== null) {
+      if ($func !== null) {
+        $func = func::with($func, $args)->bind($this->channel);
+      }
+      foreach ($items as $item) {
+        $count += $this->charge($item, $func);
+      }
+    }
+    return $count;
+  }
+
   function discharge(bool $reset=true): Traversable {
     return $this->storage->_discharge($this->channel, $reset);
   }
diff --git a/php/src/db/CapacitorChannel.php b/php/src/db/CapacitorChannel.php
index 8e2d089..7e8ff44 100644
--- a/php/src/db/CapacitorChannel.php
+++ b/php/src/db/CapacitorChannel.php
@@ -214,8 +214,18 @@ class CapacitorChannel implements ITransactor {
 
   protected ?array $migration;
 
-  function getMigration(): ?array {
-    return $this->migration;
+  function getMigration(?string $prefix=null): ?array {
+    if ($prefix === null || $this->migration === null) return $this->migration;
+    $migration = null;
+    str::add_suffix($prefix, ":");
+    foreach ($this->migration as $mkey => $mdef) {
+      if (str::starts_with($prefix, $mkey)) {
+        $migration[$mkey] = $mdef;
+      } elseif (strpos($mkey, ":") === false) {
+        $migration[$mkey] = $mdef;
+      }
+    }
+    return $migration;
   }
 
   protected ?array $primaryKeys;
@@ -444,27 +454,57 @@ class CapacitorChannel implements ITransactor {
     return $this->capacitor->charge($item, $func, $args, $row);
   }
 
+  function chargeAll(?iterable $items, $func=null, ?array $args=null): int {
+    return $this->capacitor->chargeAll($items, $func, $args);
+  }
+
   function discharge(bool $reset=true): Traversable {
     return $this->capacitor->discharge($reset);
   }
 
+  /**
+   * retourner le filtre de base: les filtres de toutes les fonctions ci-dessous
+   * sont fusionnées avec le filtre de base
+   *
+   * cela permet de limiter toutes les opérations à un sous-ensemble des données
+   * du canal
+   */
+  function getBaseFilter(): ?array {
+    return null;
+  }
+
+  protected function verifixFilter(&$filter): void {
+    if ($filter !== null && !is_array($filter)) {
+      $primaryKeys = $this->primaryKeys ?? ["id_"];
+      $id = $filter;
+      $this->verifixId($id);
+      $filter = [$primaryKeys[0] => $id];
+    }
+    $filter = cl::merge($this->getBaseFilter(), $filter);
+  }
+
   function count($filter=null): int {
+    $this->verifixFilter($filter);
     return $this->capacitor->count($filter);
   }
 
   function one($filter, ?array $mergeQuery=null): ?array {
+    $this->verifixFilter($filter);
     return $this->capacitor->one($filter, $mergeQuery);
   }
 
   function all($filter, ?array $mergeQuery=null): Traversable {
+    $this->verifixFilter($filter);
     return $this->capacitor->all($filter, $mergeQuery);
   }
 
   function each($filter, $func=null, ?array $args=null, ?array $mergeQuery=null, ?int &$nbUpdated=null): int {
+    $this->verifixFilter($filter);
     return $this->capacitor->each($filter, $func, $args, $mergeQuery, $nbUpdated);
   }
 
   function delete($filter, $func=null, ?array $args=null): int {
+    $this->verifixFilter($filter);
     return $this->capacitor->delete($filter, $func, $args);
   }
 
diff --git a/php/src/db/CapacitorStorage.php b/php/src/db/CapacitorStorage.php
index 1d8e785..232d935 100644
--- a/php/src/db/CapacitorStorage.php
+++ b/php/src/db/CapacitorStorage.php
@@ -45,7 +45,7 @@ abstract class CapacitorStorage {
   const GENLIC_DEFINITION = "varchar(80)";
   const GENLIB_DEFINITION = "varchar(255)";
   const GENTEXT_DEFINITION = "mediumtext";
-  const GENBOOL_DEFINITION = "integer(1)";
+  const GENBOOL_DEFINITION = "integer(1) default 0";
   const GENUUID_DEFINITION = "varchar(36)";
 
   protected static function gencol($def): string {
@@ -122,7 +122,7 @@ abstract class CapacitorStorage {
   }
 
   protected function getMigration(CapacitorChannel $channel): ?array {
-    return $channel->getMigration();
+    return $channel->getMigration($this->db()->getPrefix());
   }
 
   /** sérialiser les valeurs qui doivent l'être dans $row */
@@ -434,7 +434,7 @@ abstract class CapacitorStorage {
     }
 
     if ($func !== null) {
-      $updates = func::with($func)
+      $updates = func::with($func, $args)
         ->prependArgs([$item, $row, $prow])
         ->bind($channel)
         ->invoke();
diff --git a/php/src/db/IDatabase.php b/php/src/db/IDatabase.php
index 1383c9a..8e04bab 100644
--- a/php/src/db/IDatabase.php
+++ b/php/src/db/IDatabase.php
@@ -2,6 +2,12 @@
 namespace nulib\db;
 
 interface IDatabase extends ITransactor {
+  /**
+   * retourner le type de la base de données (mysql, pgsql, sqlite, ...)
+   * ce préfixe peut servir à qualifier les migrations
+   */
+  function getPrefix(): ?string;
+
   /** obtenir la requête SQL correspondant à $query */
   function getSql($query, ?array $params=null): string;
 
diff --git a/php/src/db/mysql/Mysql.php b/php/src/db/mysql/Mysql.php
index 431497e..3031583 100644
--- a/php/src/db/mysql/Mysql.php
+++ b/php/src/db/mysql/Mysql.php
@@ -4,6 +4,8 @@ namespace nulib\db\mysql;
 use nulib\db\pdo\Pdo;
 
 class Mysql extends Pdo {
+  const PREFIX = "mysql";
+
   function getDbname(): ?string {
     $url = $this->dbconn["name"] ?? null;
     if ($url !== null && preg_match('/^mysql(?::|.*;)dbname=([^;]+)/i', $url, $ms)) {
diff --git a/php/src/db/mysql/MysqlStorage.php b/php/src/db/mysql/MysqlStorage.php
index 41a7c65..be1382c 100644
--- a/php/src/db/mysql/MysqlStorage.php
+++ b/php/src/db/mysql/MysqlStorage.php
@@ -39,7 +39,7 @@ class MysqlStorage extends CapacitorStorage {
   function _getMigration(CapacitorChannel $channel): _mysqlMigration {
     $migrations = cl::merge([
       "0init" => [$this->_createSql($channel)],
-    ], $channel->getMigration());
+    ], $channel->getMigration($this->db->getPrefix()));
     return new _mysqlMigration($migrations, $channel->getName());
   }
 
diff --git a/php/src/db/pdo/Pdo.php b/php/src/db/pdo/Pdo.php
index f34ff69..094b784 100644
--- a/php/src/db/pdo/Pdo.php
+++ b/php/src/db/pdo/Pdo.php
@@ -12,6 +12,12 @@ use nulib\ValueException;
 class Pdo implements IDatabase {
   use Tvalues;
 
+  const PREFIX = null;
+
+  function getPrefix(): ?string {
+    return static::PREFIX;
+  }
+
   static function with($pdo, ?array $params=null): self {
     if ($pdo instanceof static) {
       return $pdo;
diff --git a/php/src/db/pgsql/Pgsql.php b/php/src/db/pgsql/Pgsql.php
index f765666..963d425 100644
--- a/php/src/db/pgsql/Pgsql.php
+++ b/php/src/db/pgsql/Pgsql.php
@@ -12,6 +12,12 @@ use nulib\ValueException;
 class Pgsql implements IDatabase {
   use Tvalues;
 
+  const PREFIX = "pgsql";
+
+  function getPrefix(): ?string {
+    return self::PREFIX;
+  }
+
   static function with($pgsql, ?array $params=null): self {
     if ($pgsql instanceof static) {
       return $pgsql;
diff --git a/php/src/db/pgsql/PgsqlStorage.php b/php/src/db/pgsql/PgsqlStorage.php
index 649b3eb..6861154 100644
--- a/php/src/db/pgsql/PgsqlStorage.php
+++ b/php/src/db/pgsql/PgsqlStorage.php
@@ -11,7 +11,7 @@ class PgsqlStorage extends CapacitorStorage {
   const SERTS_DEFINITION = "timestamp";
   const GENSERIAL_DEFINITION = "serial primary key";
   const GENTEXT_DEFINITION = "text";
-  const GENBOOL_DEFINITION = "boolean";
+  const GENBOOL_DEFINITION = "boolean default false";
   const GENUUID_DEFINITION = "uuid";
 
   function __construct($pgsql) {
@@ -44,7 +44,7 @@ class PgsqlStorage extends CapacitorStorage {
   function _getMigration(CapacitorChannel $channel): _pgsqlMigration {
     $migrations = cl::merge([
       "0init" => [$this->_createSql($channel)],
-    ], $channel->getMigration());
+    ], $channel->getMigration($this->db->getPrefix()));
     return new _pgsqlMigration($migrations, $channel->getName());
   }
 
diff --git a/php/src/db/sqlite/Sqlite.php b/php/src/db/sqlite/Sqlite.php
index ae4ea99..443d995 100644
--- a/php/src/db/sqlite/Sqlite.php
+++ b/php/src/db/sqlite/Sqlite.php
@@ -19,6 +19,12 @@ use SQLite3Stmt;
 class Sqlite implements IDatabase {
   use Tvalues;
 
+  const PREFIX = "sqlite";
+
+  function getPrefix(): ?string {
+    return self::PREFIX;
+  }
+
   static function with($sqlite, ?array $params=null): self {
     if ($sqlite instanceof static) {
       return $sqlite;
diff --git a/php/src/db/sqlite/SqliteStorage.php b/php/src/db/sqlite/SqliteStorage.php
index e9423b9..f67b678 100644
--- a/php/src/db/sqlite/SqliteStorage.php
+++ b/php/src/db/sqlite/SqliteStorage.php
@@ -34,7 +34,7 @@ class SqliteStorage extends CapacitorStorage {
   function _getMigration(CapacitorChannel $channel): _sqliteMigration {
     $migrations = cl::merge([
       "0init" => [$this->_createSql($channel)],
-    ], $channel->getMigration());
+    ], $channel->getMigration($this->db->getPrefix()));
     return new _sqliteMigration($migrations, $channel->getName());
   }
 
diff --git a/php/src/file/csv/CsvBuilder.php b/php/src/file/csv/CsvBuilder.php
index 24899b9..ef30d2c 100644
--- a/php/src/file/csv/CsvBuilder.php
+++ b/php/src/file/csv/CsvBuilder.php
@@ -26,7 +26,7 @@ class CsvBuilder extends AbstractBuilder {
   }
 
   protected function _checkOk(): bool {
-    $size = $this->ftell();
+    $this->size = $size = $this->ftell();
     if ($size === 0) return false;
     $this->rewind();
     return true;
diff --git a/php/src/file/tab/AbstractBuilder.php b/php/src/file/tab/AbstractBuilder.php
index 3ec767d..4514442 100644
--- a/php/src/file/tab/AbstractBuilder.php
+++ b/php/src/file/tab/AbstractBuilder.php
@@ -118,18 +118,8 @@ abstract class AbstractBuilder extends TempStream implements IBuilder {
     if ($unsetRows) $this->rows = null;
   }
 
-  abstract protected function _sendContentType(): void;
-
-  protected bool $sentHeaders = false;
-
-  function sendHeaders(): void {
-    if ($this->sentHeaders) return;
-    $this->_sendContentType();
-    $output = $this->output;
-    if ($output !== null) {
-      http::download_as(path::filename($output));
-    }
-    $this->sentHeaders = true;
+  function getCount(): int {
+    return $this->index;
   }
 
   protected function _build(?iterable $rows=null): void {
@@ -141,6 +131,8 @@ abstract class AbstractBuilder extends TempStream implements IBuilder {
 
   protected bool $built = false, $closed = false;
 
+  protected ?int $size = null;
+
   function build(?iterable $rows=null, bool $close=true): bool {
     $ok = true;
     if (!$this->built) {
@@ -154,6 +146,24 @@ abstract class AbstractBuilder extends TempStream implements IBuilder {
     return $ok;
   }
 
+  abstract protected function _sendContentType(): void;
+
+  protected bool $sentHeaders = false;
+
+  function sendHeaders(): void {
+    if ($this->sentHeaders) return;
+    $this->_sendContentType();
+    $output = $this->output;
+    if ($output !== null) {
+      http::download_as(path::filename($output));
+    }
+    $size = $this->size;
+    if ($size !== null) {
+      header("Content-Length: $size");
+    }
+    $this->sentHeaders = true;
+  }
+
   function sendFile(?iterable $rows=null): int {
     if (!$this->built) {
       $this->_build($rows);
diff --git a/php/src/file/tab/IBuilder.php b/php/src/file/tab/IBuilder.php
index 9cc794e..9817ac0 100644
--- a/php/src/file/tab/IBuilder.php
+++ b/php/src/file/tab/IBuilder.php
@@ -1,6 +1,8 @@
 <?php
 namespace nulib\file\tab;
 
+use nulib\file\IWriter;
+
 interface IBuilder extends \nulib\file\IReader {
   function writeHeaders(?array $headers=null): void;
 
@@ -8,7 +10,23 @@ 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;
+
+  /** préparer le fichier (sans l'envoyer) */
+  function build(?iterable $rows=null, bool $close=true): bool;
+
+  /** enregistrer le fichier préparé avec {@link build()} */
+  function copyTo(IWriter $dest, bool $closeWriter=false, bool $closeReader=true): void;
+
+  /** envoyer les en-têtes */
   function sendHeaders(): void;
 
+  /**
+   * envoyer le fichier pour téléchargement (la méthode {@link sendHeaders()}
+   * est automatiquement appelée le cas échéant
+   */
   function sendFile(?iterable $rows=null): int;
 }
diff --git a/php/src/php/time/Date.php b/php/src/php/time/Date.php
index 3556ed4..c681e68 100644
--- a/php/src/php/time/Date.php
+++ b/php/src/php/time/Date.php
@@ -15,6 +15,6 @@ class Date extends DateTime {
   }
 
   function format($format=self::DEFAULT_FORMAT): string {
-    return \DateTime::format($format);
+    return parent::format($format);
   }
 }
diff --git a/php/src/php/time/DateTime.php b/php/src/php/time/DateTime.php
index 1fcd632..f819fe2 100644
--- a/php/src/php/time/DateTime.php
+++ b/php/src/php/time/DateTime.php
@@ -4,6 +4,7 @@ namespace nulib\php\time;
 use DateTimeInterface;
 use DateTimeZone;
 use InvalidArgumentException;
+use nulib\str;
 
 /**
  * Class DateTime: une date et une heure
@@ -29,10 +30,20 @@ class DateTime extends \DateTime {
     else return new static($datetime);
   }
 
+  static function withn($datetime): ?self {
+    if ($datetime === null) return null;
+    elseif ($datetime instanceof static) return $datetime;
+    else return new static($datetime);
+  }
+
+  static function ensure(&$datetime): void {
+    $datetime = static::withn($datetime);
+  }
+
   const DMY_PATTERN = '/^(\d+)\/(\d+)(?:\/(\d+))?$/';
   const YMD_PATTERN = '/^((?:\d{2})?\d{2})(\d{2})(\d{2})$/';
   const DMYHIS_PATTERN = '/^(\d+)\/(\d+)(?:\/(\d+))? +(\d+)[h:.](\d+)(?:[:.](\d+))?$/';
-  const YMDHISZ_PATTERN = '/^((?:\d{2})?\d{2})(\d{2})(\d{2})[tT](\d{2})(\d{2})(\d{2})?([zZ])?$/';
+  const YMDHISZ_PATTERN = '/^((?:\d{2})?\d{2})-?(\d{2})-?(\d{2})[tT](\d{2}):?(\d{2}):?(\d{2})?([zZ]|\+\d{2}:?\d{2})?$/';
 
 
   protected static function get_value(array $datetime, ?string $key, ?string $k, ?int $index) {
@@ -206,16 +217,34 @@ class DateTime extends \DateTime {
     return $year;
   }
 
-  function __construct($datetime="now", DateTimeZone $timezone=null) {
+  static function fix_z(?string $Z): ?string {
+    $Z = strtoupper($Z);
+    str::del_prefix($Z, "+");
+    if (preg_match('/^\d{4}$/', $Z)) {
+      $Z = substr($Z, 0, 2).":".substr($Z, 2);
+    }
+    if ($Z === "Z" || $Z === "UTC" || $Z === "00:00") return "UTC";
+    return "GMT+$Z";
+  }
+
+  function __construct($datetime="now", DateTimeZone $timezone=null, ?bool $forceLocalTimezone=null) {
+    $forceLocalTimezone ??= $timezone === null;
+    if ($forceLocalTimezone) {
+      $setTimezone = $timezone;
+      $timezone = null;
+    }
+
     $datetime ??= "now";
     if ($datetime instanceof \DateTimeInterface) {
-      if ($timezone === null) $timezone = $datetime->getTimezone();
+      $timezone ??= $datetime->getTimezone();
       parent::__construct();
       $this->setTimestamp($datetime->getTimestamp());
       $this->setTimezone($timezone);
+
     } elseif (is_int($datetime)) {
       parent::__construct("now", $timezone);
       $this->setTimestamp($datetime);
+
     } elseif (is_string($datetime)) {
       $Y = $H = $Z = null;
       if (preg_match(self::DMY_PATTERN, $datetime, $ms)) {
@@ -253,22 +282,30 @@ class DateTime extends \DateTime {
       if ($Y !== null) {
         if ($H === null) $datetime = sprintf("%04d-%02d-%02d", $Y, $m, $d);
         else $datetime = sprintf("%04d-%02d-%02d %02d:%02d:%02d", $Y, $m, $d, $H, $M, $S);
-        if ($Z !== null) $timezone = new DateTimeZone("UTC");
+        if ($Z !== null) $timezone = new DateTimeZone(self::fix_z($Z));
       }
       parent::__construct($datetime, $timezone);
+
     } elseif (is_array($datetime) && ($datetime = self::parse_array($datetime)) !== null) {
-      [$Y, $m, $d, $H, $M, $S, $tz] = $datetime;
+      $setTimezone = $timezone;
+      $timezone = null;
+      [$Y, $m, $d, $H, $M, $S, $Z] = $datetime;
       if ($H === null && $M === null && $S === null) {
         $datetime = sprintf("%04d-%02d-%02d", $Y, $m, $d);
       } else {
         $datetime = sprintf("%04d-%02d-%02d %02d:%02d:%02d", $Y, $m, $d, $H ?? 0, $M ?? 0, $S ?? 0);
       }
-      if ($tz === "Z" || $tz === "z") $tz = "UTC";
-      $timezone = $tz !== null? new DateTimeZone($tz): null;
+      if ($Z !== null) $timezone = new DateTimeZone(self::fix_z($Z));
       parent::__construct($datetime, $timezone);
+
     } else {
       throw new InvalidArgumentException("datetime must be a string or an instance of DateTimeInterface");
     }
+
+    if ($forceLocalTimezone) {
+      $setTimezone ??= new DateTimeZone(date_default_timezone_get());
+      $this->setTimezone($setTimezone);
+    }
   }
 
   function diff($target, $absolute=false): DateInterval {
@@ -276,7 +313,13 @@ class DateTime extends \DateTime {
   }
 
   function format($format=self::DEFAULT_FORMAT): string {
-    return \DateTime::format($format);
+    if (array_key_exists($format, self::INT_FORMATS)) {
+      $format = self::INT_FORMATS[$format];
+    } elseif (array_key_exists($format, self::STRING_FORMATS)) {
+      $format = self::STRING_FORMATS[$format];
+    }
+    if (is_callable($format)) return $format($this);
+    else return \DateTime::format($format);
   }
 
   /**
diff --git a/php/tests/db/sqlite/ChannelMigrationTest.php b/php/tests/db/sqlite/ChannelMigrationTest.php
index 1946179..fa48e7c 100644
--- a/php/tests/db/sqlite/ChannelMigrationTest.php
+++ b/php/tests/db/sqlite/ChannelMigrationTest.php
@@ -5,6 +5,7 @@ use nulib\db\Capacitor;
 use nulib\db\sqlite\impl\MyChannel;
 use nulib\db\sqlite\impl\MyChannelV2;
 use nulib\db\sqlite\impl\MyChannelV3;
+use nulib\db\sqlite\impl\MyIndexChannel;
 use nulib\output\msg;
 use nulib\output\std\StdMessenger;
 use nulib\php\time\DateTime;
@@ -69,6 +70,42 @@ alter table my add column date_mod datetime;
 -- infos
 alter table my add column age integer;
 
+EOT;
+    self::assertSame($expected, $sql);
+  }
+
+  function testMigrationIndex() {
+    $storage = new SqliteStorage(__DIR__.'/capacitor.db');
+    $data = [
+      ["un", "premier", "first"],
+      ["deux", "deuxieme", "second"],
+    ];
+
+    new Capacitor($storage, $channel = new MyIndexChannel());
+    $channel->reset(true);
+    $channel->chargeAll($data);
+
+    $sql = $channel->getCapacitor()->getCreateSql();
+    $class = MyIndexChannel::class;
+    $expected = <<<EOT
+-- -*- coding: utf-8 mode: sql -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+-- autogénéré à partir de $class
+
+-- 0init
+create table  if not exists my_index (
+  name varchar not null primary key
+, first varchar
+, second varchar
+, item__ mediumtext
+, item__sum_ varchar(40)
+, created_ datetime
+, modified_ datetime
+);
+
+-- index
+create index my_index_first on my_index(first);
+create index my_index_second on my_index(second);
+
 EOT;
     self::assertSame($expected, $sql);
   }
diff --git a/php/tests/db/sqlite/impl/MyIndexChannel.php b/php/tests/db/sqlite/impl/MyIndexChannel.php
new file mode 100644
index 0000000..994b17a
--- /dev/null
+++ b/php/tests/db/sqlite/impl/MyIndexChannel.php
@@ -0,0 +1,29 @@
+<?php
+namespace nulib\db\sqlite\impl;
+
+use nulib\cl;
+use nulib\db\CapacitorChannel;
+
+class MyIndexChannel extends CapacitorChannel {
+  const NAME = "my_index";
+  const TABLE_NAME = "my_index";
+  const COLUMN_DEFINITIONS = [
+    "name" => "varchar not null primary key",
+    "first" => "varchar",
+    "second" => "varchar",
+  ];
+  const MIGRATION = [
+    "index" => [
+      "create index my_index_first on my_index(first)",
+      "create index my_index_second on my_index(second)",
+    ],
+  ];
+
+  function getItemValues($item): ?array {
+    return cl::select($item, [
+      "name" => 0,
+      "first" => 1,
+      "second" => 2,
+    ]);
+  }
+}
diff --git a/runphp/runphp b/runphp/runphp
index 07d0e8d..30f3056 100755
--- a/runphp/runphp
+++ b/runphp/runphp
@@ -467,9 +467,11 @@ OPTIONS
 
 function host_docker_run() {
     # lancer une commande avec docker
-    if [ "$1" == composer ]; then
-        : # pas d'analyse d'argument pour composer
-    else
+    case "$1" in
+    ci|cu|composer)
+        : # pas d'analyse d'argument pour les commandes composer
+        ;;
+    *)
         SOPTS=+w:
         LOPTS=help,chdir:,no-use-rslave
         args="$(getopt -n "$MYNAME" -o "$SOPTS" -l "$LOPTS" -- "$@")" || exit 1; eval "set -- $args"
@@ -513,7 +515,7 @@ OPTIONS
             esac
             shift
         done
-    fi
+    esac
 
     args=(
         run -it --rm
@@ -535,26 +537,34 @@ OPTIONS
 
     # monter le répertoire qui contient $PROJDIR
     mount_composer=
-    mount_runphp=1
+    mount_standalone=1
+    mount_mount=1
     if [ -z "$PROJDIR" -o "${PROJDIR#$HOME/}" != "$PROJDIR" -o "$PROJDIR" == "$HOME" ]; then
         # bind mount $HOME
         args+=(-v "$HOME:$HOME${UseRslave:+:rslave}")
-        [ -n "$RUNPHP_STANDALONE" ] &&
-            [ "${RUNPHP_STANDALONE#$HOME/}" != "$RUNPHP_STANDALONE" ] &&
-            mount_runphp=
+        if [ -n "$RUNPHP_STANDALONE" -a "${RUNPHP_STANDALONE#$HOME/}" != "$RUNPHP_STANDALONE" ]; then
+            mount_standalone=
+        fi
+        if [ -n "$RUNPHP_MOUNT" -a "${RUNPHP_MOUNT#$HOME/}" != "$RUNPHP_MOUNT" ]; then
+            mount_mount=
+        fi
     elif [ -n "$PROJDIR" ]; then
         # bind mount uniquement le répertoire du projet
         args+=(-v "$PROJDIR:$PROJDIR${UseRslave:+:rslave}")
         mount_composer=1
-        [ "$RUNPHP_STANDALONE" == "$PROJDIR" ] && mount_runphp=
+        [ "$RUNPHP_STANDALONE" == "$PROJDIR" ] && mount_standalone=
+        [ "$RUNPHP_MOUNT" == "$PROJDIR" ] && mount_mount=
     fi
     if [ -n "$mount_composer" -a -d "$HOME/.composer" ]; then
         # monter la configuration de composer
         args+=(-v "$HOME/.composer:$HOME/.composer")
     fi
-    if [ -n "$RUNPHP_STANDALONE" -a -n "$mount_runphp" ]; then
+    if [ -n "$RUNPHP_STANDALONE" -a -n "$mount_standalone" ]; then
         args+=(-v "$RUNPHP_STANDALONE:$RUNPHP_STANDALONE")
     fi
+    if [ -n "$RUNPHP_MOUNT" -a -n "$mount_mount" ]; then
+        args+=(-v "$RUNPHP_MOUNT:$RUNPHP_MOUNT")
+    fi
     args+=(-w "$(pwd)")
 
     # lancer avec l'utilisateur courant
@@ -589,9 +599,22 @@ function container_exec() {
         fi
     fi
 
-    if [ "$1" == composer ]; then
-        : # pas d'analyse d'argument pour composer
-    else
+    # pour les commandes suivantes, pas d'analyse d'argument
+    case "$1" in
+    ci)
+        eecho "== installing composer dependencies"
+        shift
+        composer i "$@"
+        ;;
+    cu)
+        eecho "== upgrading composer dependencies"
+        shift
+        composer u "$@"
+        ;;
+    composer)
+        "$@"
+        ;;
+    *)
         SOPTS=+w:
         LOPTS=chdir:
         args="$(getopt -n "$MYNAME" -o "$SOPTS" -l "$LOPTS" -- "$@")" || exit 1; eval "set -- $args"
@@ -606,26 +629,14 @@ function container_exec() {
             esac
             shift
         done
-    fi
 
-    if [ $# -eq 0 ]; then
-        die "no command specified"
-    elif [ "$1" == ci ]; then
-        eecho "== installing composer dependencies"
-        shift
-        composer i "$@"
-    elif [ "$1" == cu ]; then
-        eecho "== upgrading composer dependencies"
-        shift
-        composer u "$@"
-    elif [ "$1" == composer ]; then
-        "$@"
-    else
+        [ $# -gt 0 ] || die "no command specified"
         if [ -n "$chdir" ]; then
             cd "$chdir" || exit 1
         fi
         exec "$@"
-    fi
+        ;;
+    esac
 }
 
 ################################################################################