Prevent possible notice curly braces on array (matomo-org#15560)

1024pix · Sep 22, 2020 · e370f20 · e370f20
1 parent 8b11948
commit e370f20
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/libs/HTML/QuickForm2/Element/Date.php b/libs/HTML/QuickForm2/Element/Date.php
@@ -128,7 +128,7 @@ public function __construct($name = null, $attributes = null, $data = null)
         $separator =  '';
 
         for ($i = 0, $length = strlen($this->data['format']); $i < $length; $i++) {
-            $sign = $this->data['format']{$i};
+            $sign = $this->data['format'][$i];
             if ($backslash) {
                 $backslash  = false;
                 $separator .= $sign;

diff --git a/libs/Zend/Validate/Isbn.php b/libs/Zend/Validate/Isbn.php
@@ -168,7 +168,7 @@ public function isValid($value)
                 $isbn10 = str_replace($this->_separator, '', $value);
                 $sum    = 0;
                 for ($i = 0; $i < 9; $i++) {
-                    $sum += (10 - $i) * $isbn10{$i};
+                    $sum += (10 - $i) * $isbn10[$i];
                 }
 
                 // checksum
@@ -186,9 +186,9 @@ public function isValid($value)
                 $sum    = 0;
                 for ($i = 0; $i < 12; $i++) {
                     if ($i % 2 == 0) {
-                        $sum += $isbn13{$i};
+                        $sum += $isbn13[$i];
                     } else {
-                        $sum += 3 * $isbn13{$i};
+                        $sum += 3 * $isbn13[$i];
                     }
                 }
                 // checksum