diff --git a/htdocs/core/class/validate.class.php b/htdocs/core/class/validate.class.php
index 1b2447dc23a..389bb708e82 100644
--- a/htdocs/core/class/validate.class.php
+++ b/htdocs/core/class/validate.class.php
@@ -61,6 +61,11 @@ class Validate
 			$this->outputLang = $outputLang;
 		}
 
+		if (!is_object($this->outputLang) || !method_exists($outputLang, 'load')) {
+			return false;
+		}
+
+		/** @var Translate $outputLang */
 		$outputLang->load('validate');
 
 		$this->db = $db;
@@ -212,7 +217,7 @@ class Validate
 	/**
 	 * Check Duration validity
 	 *
-	 * @param string $duration to validate
+	 * @param mixed $duration to validate
 	 * @return boolean Validity is ok or not
 	 */
 	public function isDuration($duration)
diff --git a/htdocs/core/lib/images.lib.php b/htdocs/core/lib/images.lib.php
index 0ccb6a415fc..6b973d89887 100644
--- a/htdocs/core/lib/images.lib.php
+++ b/htdocs/core/lib/images.lib.php
@@ -388,7 +388,7 @@ function dolRotateImage($file_path)
  * Add exif orientation correction for image
  *
  * @param string $fileSource Full path to source image to rotate
- * @param string $fileDest string : Full path to image to rotate | false return gd img  | null  the raw image stream will be outputted directly
+ * @param string|bool $fileDest string : Full path to image to rotate | false return gd img  | null  the raw image stream will be outputted directly
  * @param int $quality output image quality
  * @return bool : true on success or false on failure or gd img if $fileDest is false.
  */
@@ -630,7 +630,7 @@ function vignette($file, $maxWidth = 160, $maxHeight = 120, $extName = '_small',
 		}
 
 		// replace image with good orientation
-		if (!empty($rotated)) {
+		if (!empty($rotated) && isset($trueImgWidth) && isset($trueImgHeight)) {
 			$img = $rotated;
 			$imgWidth = $trueImgWidth;
 			$imgHeight = $trueImgHeight;
diff --git a/htdocs/core/modules/DolibarrModules.class.php b/htdocs/core/modules/DolibarrModules.class.php
index b90ea227037..675b0a80ab9 100644
--- a/htdocs/core/modules/DolibarrModules.class.php
+++ b/htdocs/core/modules/DolibarrModules.class.php
@@ -348,8 +348,10 @@ class DolibarrModules // Can not be abstract, because we need to instantiate it
 	 */
 	public $hidden = false;
 
-
-
+	/**
+	 * @var string url to check for module update
+	 */
+	public $url_last_version;
 
 
 	/**
diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index 6d8b54d1954..f531d221aff 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -747,7 +747,7 @@ class Project extends CommonObject
 			'fk_projet' => $projectkey,
 			'ids' => $ids,
 		);
-		$reshook = $hookmanager->executeHooks('getElementList', $parameters, $object, $action);
+		$reshook = $hookmanager->executeHooks('getElementList', $parameters);
 		if ($reshook > 0) {
 			$sql = $hookmanager->resPrint;
 		} else {
diff --git a/htdocs/theme/eldy/manifest.json.php b/htdocs/theme/eldy/manifest.json.php
index ec6472c80e6..6f3dc2e9cbc 100644
--- a/htdocs/theme/eldy/manifest.json.php
+++ b/htdocs/theme/eldy/manifest.json.php
@@ -101,7 +101,7 @@ if (!empty($conf->global->MAIN_MANIFEST_APPLI_LOGO_URL)) {
 		$iconPath = $conf->mycompany->dir_output.'/'.$iconRelativePath;
 		if (is_readable($iconPath)) {
 			$imgSize = getimagesize($iconPath);
-			if ($imgSize) {
+			if (!empty($imgSize)) {
 				$icon = new stdClass();
 				$icon->src = DOL_URL_ROOT.'/viewimage.php?cache=1&modulepart=mycompany&file='.urlencode($iconRelativePath);
 				$icon->sizes = $imgSize[0]."x".$imgSize[1];