diff --git a/htdocs/core/class/commondocgenerator.class.php b/htdocs/core/class/commondocgenerator.class.php
index e142e5c8d61..abf30f2f3ee 100644
--- a/htdocs/core/class/commondocgenerator.class.php
+++ b/htdocs/core/class/commondocgenerator.class.php
@@ -1108,10 +1108,10 @@ abstract class CommonDocGenerator
 	}
 
 	/**
-	 *   	get column position rank from column key
+	 *  get column position rank from column key
 	 *
-	 *   	@param	string		$colKey    		the column key
-	 *      @return	int         rank on success and -1 on error
+	 *  @param	string		$colKey    		the column key
+	 *  @return	int         rank on success and -1 on error
 	 */
 	public function getColumnRank($colKey)
 	{
@@ -1124,11 +1124,11 @@ abstract class CommonDocGenerator
 	/**
 	 *  get column position rank from column key
 	 *
-	 *  @param	string		$newColKey    	the new column key
-	 *  @param	array		$defArray    	a single column definition array
-	 *  @param	string		$targetCol    	target column used to place the new column beside
-	 *  @param	bool		$insertAfterTarget    	insert before or after target column ?
-	 *  @return	int         new rank on success and -1 on error
+	 *  @param	string		$newColKey    		the new column key
+	 *  @param	array		$defArray    		a single column definition array
+	 *  @param	string		$targetCol    		target column used to place the new column beside
+	 *  @param	bool		$insertAfterTarget  insert before or after target column ?
+	 *  @return	int         					new rank on success and -1 on error
 	 */
 	public function insertNewColumnDef($newColKey, $defArray, $targetCol = false, $insertAfterTarget = false)
 	{
@@ -1169,11 +1169,11 @@ abstract class CommonDocGenerator
 	/**
 	 *  print standard column content
 	 *
-	 *  @param	TCPDF		    $pdf    	pdf object
-	 *  @param	float		$curY    	curent Y position
-	 *  @param	string		$colKey    	the column key
-	 *  @param	string		$columnText   column text
-	 *  @return	void
+	 *  @param	TCPDF		$pdf    		pdf object
+	 *  @param	float		$curY    		curent Y position
+	 *  @param	string		$colKey    		the column key
+	 *  @param	string		$columnText   	column text
+	 *  @return	int							<0 if KO, >= if OK
 	 */
 	public function printStdColumnContent($pdf, &$curY, $colKey, $columnText = '')
 	{
@@ -1191,7 +1191,7 @@ abstract class CommonDocGenerator
 		}
 		if (!$reshook) {
 			if (empty($columnText)) {
-				return;
+				return 0;
 			}
 			$pdf->SetXY($this->getColumnContentXStart($colKey), $curY); // Set curent position
 			$colDef = $this->cols[$colKey];
@@ -1205,7 +1205,7 @@ abstract class CommonDocGenerator
 			$pdf->setCellPaddings($curentCellPaddinds['L'], $curentCellPaddinds['T'], $curentCellPaddinds['R'], $curentCellPaddinds['B']);
 		}
 
-		return;
+		return 0;
 	}
 
 
@@ -1592,16 +1592,16 @@ abstract class CommonDocGenerator
 	 *  @param	object			$object    		common object det
 	 *  @param	Translate		$outputlangs    langs
 	 *  @param	int			   $hidedetails		Do not show line details
-	 *  @return	void
+	 *  @return	int								<0 if KO, >=0 if OK
 	 */
 	public function defineColumnExtrafield($object, $outputlangs, $hidedetails = 0)
 	{
 		if (!empty($hidedetails)) {
-			return;
+			return 0;
 		}
 
 		if (empty($object->table_element)) {
-			return;
+			return 0;
 		}
 
 		// Load extrafiels if not allready does
@@ -1672,6 +1672,6 @@ abstract class CommonDocGenerator
 			}
 		}
 
-		return;
+		return 1;
 	}
 }
diff --git a/htdocs/core/lib/geturl.lib.php b/htdocs/core/lib/geturl.lib.php
index 3d1f7157e83..4434855da2d 100644
--- a/htdocs/core/lib/geturl.lib.php
+++ b/htdocs/core/lib/geturl.lib.php
@@ -266,9 +266,9 @@ function getURLContent($url, $postorget = 'GET', $param = '', $followlocation =
 			$maxRedirection--;
 			// TODO Use $info['local_ip'] and $info['primary_ip'] ?
 			continue;
-		} else {
-			$http_code = 0;
 		}
+
+		$http_code = 0;
 	} while ($http_code);
 
 	$request = curl_getinfo($ch, CURLINFO_HEADER_OUT); // Reading of request must be done after sending request