downgrade phpqrcode

lib/phpqrcode_php4/bindings/tcpdf/qrcode.php

@@ -703,7 +703,7 @@ if (!class_exists('QRcode', false)) {
 		protected function binarize($frame) {
 			$len = count($frame);
 			// the frame is square (width = height)
-			foreach ($frame as &$frameLine) {
+			foreach ($frame as $frameLine) {
 				for ($i=0; $i<$len; $i++) {
 					$frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';
 				}

lib/phpqrcode_php4/phpqrcode.php

@@ -161,7 +161,7 @@
           function binarize($frame)
         {
             $len = count($frame);
-            foreach ($frame as &$frameLine) {
+            foreach ($frame as $frameLine) {
                 
                 for($i=0; $i<$len; $i++) {
                     $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';
@@ -801,7 +801,7 @@
         {
             if ($binary_mode) {
             
-                    foreach ($frame as &$frameLine) {
+                    foreach ($frame as $frameLine) {
                         $frameLine = join('<span class="m">&nbsp;&nbsp;</span>', explode('0', $frameLine));
                         $frameLine = join('&#9608;&#9608;', explode('1', $frameLine));
                     }
@@ -817,7 +817,7 @@
             
             } else {
             
-                foreach ($frame as &$frameLine) {
+                foreach ($frame as $frameLine) {
                     $frameLine = join('<span class="m">&nbsp;</span>',  explode("\xc0", $frameLine));
                     $frameLine = join('<span class="m">&#9618;</span>', explode("\xc1", $frameLine));
                     $frameLine = join('<span class="p">&nbsp;</span>',  explode("\xa0", $frameLine));

lib/phpqrcode_php4/qrspec.php

@@ -489,7 +489,7 @@
         {
             if ($binary_mode) {
             
-                    foreach ($frame as &$frameLine) {
+                    foreach ($frame as $frameLine) {
                         $frameLine = join('<span class="m">&nbsp;&nbsp;</span>', explode('0', $frameLine));
                         $frameLine = join('&#9608;&#9608;', explode('1', $frameLine));
                     }
@@ -505,7 +505,7 @@
             
             } else {
             
-                foreach ($frame as &$frameLine) {
+                foreach ($frame as $frameLine) {
                     $frameLine = join('<span class="m">&nbsp;</span>',  explode("\xc0", $frameLine));
                     $frameLine = join('<span class="m">&#9618;</span>', explode("\xc1", $frameLine));
                     $frameLine = join('<span class="p">&nbsp;</span>',  explode("\xa0", $frameLine));

lib/phpqrcode_php4/qrtools.php

@@ -28,7 +28,7 @@
           function binarize($frame)
         {
             $len = count($frame);
-            foreach ($frame as &$frameLine) {
+            foreach ($frame as $frameLine) {
                 
                 for($i=0; $i<$len; $i++) {
                     $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';