diff --git a/htdocs/blockedlog/admin/blockedlog_archives.php b/htdocs/blockedlog/admin/blockedlog_archives.php
index c6d711a04c1..700adef9973 100644
--- a/htdocs/blockedlog/admin/blockedlog_archives.php
+++ b/htdocs/blockedlog/admin/blockedlog_archives.php
@@ -376,6 +376,7 @@ if ($action == 'export' && $user->hasRight('blockedlog', 'read')) {		// read is
 				$concatenateddata = $block_static->buildKeyForSignature();
 
 				// Version line archive VE1=sha256
+				$signatureexport = '';
 				if ($formatexport == 'VE1') {
 					// Note: The signature on export line is not used. It has been replaced with a global signature on all file.
 					$signatureexport = dol_hash($previoushashexport.$concatenateddata, 'sha256');
@@ -777,6 +778,7 @@ if ($action == 'check' || $action == 'checkconfirmed') {
 
 	$reg = array();
 	$period = '';
+	$regnumber = '';
 	$formatexport = '';
 	if (preg_match('/\speriod=([^\s]+)/', $line, $reg)) {
 		$period = $reg[1];	// Get period on first line
@@ -884,24 +886,24 @@ if ($action == 'check' || $action == 'checkconfirmed') {
 					$lineanalyzed = 1;
 					$linetech = $line[0];
 
-					$block_static->id = $line[1];
-					$block_static->date_creation = $line[2];
-					$block_static->action = $lineactioncode = $line[3];
-					$block_static->module_source = $line[4];
+					$block_static->id = (int) $line[1];
+					$block_static->date_creation = (string) $line[2];
+					$block_static->action = $lineactioncode = (string) $line[3];
+					$block_static->module_source = (string) $line[4];
 					$block_static->amounts_taxexcl = $lineamountht = $line[5];
 					$block_static->amounts = $lineamountttc = $line[6];
-					$block_static->ref_object = $lineref = $line[7];
-					$block_static->date_object = $line[8];
-					$block_static->user_fullname = $line[9];
-					$block_static->linktoref = $line[10];
-					$block_static->linktype = $line[11];
-					$block_static->object_data = json_decode($line[12]);
-					$block_static->object_version = $line[13];
-					$block_static->object_format = $line[14];
-					$block_static->signature = $line[15];
+					$block_static->ref_object = $lineref = (string) $line[7];
+					$block_static->date_object = (string) $line[8];
+					$block_static->user_fullname = (string) $line[9];
+					$block_static->linktoref = (string) $line[10];
+					$block_static->linktype = (string) $line[11];
+					$block_static->object_data = json_decode((string) $line[12]);
+					$block_static->object_version = (string) $line[13];
+					$block_static->object_format = (string) $line[14];
+					$block_static->signature = (string) $line[15];
 
 					// Status from file: 'Valid' or 'KO'
-					$statusline = $line[16];
+					$statusline = (string) $line[16];
 
 					// Status revalidated from calculation using the HMAC secret key (possible only when we are on the same instance than
 					// the one hosting the initial database of the archive)
diff --git a/htdocs/contact/agenda.php b/htdocs/contact/agenda.php
index edcc64b8f94..35e64572768 100644
--- a/htdocs/contact/agenda.php
+++ b/htdocs/contact/agenda.php
@@ -324,7 +324,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 				$param .= '&search_complete='.urlencode($search_complete);
 			}
 			if ($search_filtert != '') {
-				$param .= '&search_filtert='.urlencode($search_filtert);
+				$param .= '&search_filtert='.urlencode((string) $search_filtert);
 			}
 			if ($search_dateevent_start != '') {
 				$param .= '&dateevent_startyear='.GETPOSTINT('dateevent_startyear');
diff --git a/htdocs/contrat/agenda.php b/htdocs/contrat/agenda.php
index b0a7fa92d62..438b11096dc 100644
--- a/htdocs/contrat/agenda.php
+++ b/htdocs/contrat/agenda.php
@@ -307,7 +307,7 @@ if ($object->id > 0) {
 			$param .= '&search_complete='.urlencode($search_complete);
 		}
 		if ($search_filtert != '') {
-			$param .= '&search_filtert='.urlencode($search_filtert);
+			$param .= '&search_filtert='.urlencode((string) $search_filtert);
 		}
 		if ($search_dateevent_start != '') {
 			$param .= '&dateevent_startyear='.GETPOSTINT('dateevent_startyear');
diff --git a/htdocs/modulebuilder/template/myobject_agenda.php b/htdocs/modulebuilder/template/myobject_agenda.php
index 712735c0328..b93a08f2ede 100644
--- a/htdocs/modulebuilder/template/myobject_agenda.php
+++ b/htdocs/modulebuilder/template/myobject_agenda.php
@@ -339,7 +339,7 @@ if ($object->id > 0) {
 			$param .= '&search_complete='.urlencode($search_complete);
 		}
 		if ($search_filtert != '') {
-			$param .= '&search_filtert='.urlencode($search_filtert);
+			$param .= '&search_filtert='.urlencode((string) $search_filtert);
 		}
 		if ($search_dateevent_start != '') {
 			$param .= '&dateevent_startyear='.GETPOSTINT('dateevent_startyear');
diff --git a/htdocs/product/agenda.php b/htdocs/product/agenda.php
index 3bfeda941b0..9b534ad266f 100644
--- a/htdocs/product/agenda.php
+++ b/htdocs/product/agenda.php
@@ -251,7 +251,7 @@ if (isModEnabled('agenda') && ($user->hasRight('agenda', 'myactions', 'read') ||
 		$param .= '&search_complete='.urlencode($search_complete);
 	}
 	if ($search_filtert != '') {
-		$param .= '&search_filtert='.urlencode($search_filtert);
+		$param .= '&search_filtert='.urlencode((string) $search_filtert);
 	}
 	if ($search_dateevent_start != '') {
 		$param .= '&dateevent_startyear='.GETPOSTINT('dateevent_startyear');
diff --git a/htdocs/projet/agenda.php b/htdocs/projet/agenda.php
index 9456df8ff7b..2ccbd2320d3 100644
--- a/htdocs/projet/agenda.php
+++ b/htdocs/projet/agenda.php
@@ -245,7 +245,7 @@ if (!empty($object->id)) {
 		$param .= '&search_complete='.urlencode($search_complete);
 	}
 	if ($search_filtert != '') {
-		$param .= '&search_filtert='.urlencode($search_filtert);
+		$param .= '&search_filtert='.urlencode((string) $search_filtert);
 	}
 	if ($search_dateevent_start != '') {
 		$param .= '&dateevent_startyear='.GETPOSTINT('dateevent_startyear');
@@ -258,7 +258,7 @@ if (!empty($object->id)) {
 		$param .= '&dateevent_endday='.GETPOSTINT('dateevent_endday');
 	}
 
-
+	// Try to know count of actioncomm from cache
 	require_once DOL_DOCUMENT_ROOT.'/core/lib/memory.lib.php';
 	$cachekey = 'count_events_project_'.$object->id;
 	$nbEvent = dol_getcache($cachekey);
diff --git a/htdocs/societe/agenda.php b/htdocs/societe/agenda.php
index 9dbcb742990..6af9aff6b68 100644
--- a/htdocs/societe/agenda.php
+++ b/htdocs/societe/agenda.php
@@ -241,7 +241,7 @@ if (isModEnabled('agenda') && ($user->hasRight('agenda', 'myactions', 'read') ||
 		$param .= '&search_complete='.urlencode($search_complete);
 	}
 	if ($search_filtert != '') {
-		$param .= '&search_filtert='.urlencode($search_filtert);
+		$param .= '&search_filtert='.urlencode((string) $search_filtert);
 	}
 	if ($search_dateevent_start != '') {
 		$param .= '&dateevent_startyear='.GETPOSTINT('dateevent_startyear');