Fix "Maximum function nesting level"

src/PhpSpreadsheet/Reader/Csv.php

@@ -242,27 +242,26 @@ function ($sum, $value) use ($median) {
      */
     private function getNextLine($line = '')
     {
-        // Get the next line in the file
-        $newLine = fgets($this->fileHandle);
+        do {
+            // Get the next line in the file
+            $newLine = fgets($this->fileHandle);
 
-        // Return false if there is no next line
-        if ($newLine === false) {
-            return false;
-        }
+            // Return false if there is no next line
+            if ($newLine === false) {
+                return false;
+            }
 
-        // Add the new line to the line passed in
-        $line = $line . $newLine;
+            // Add the new line to the line passed in
+            $line = $line . $newLine;
 
-        // Drop everything that is enclosed to avoid counting false positives in enclosures
-        $enclosure = '(?<!' . preg_quote($this->escapeCharacter, '/') . ')'
-            . preg_quote($this->enclosure, '/');
-        $line = preg_replace('/(' . $enclosure . '.*' . $enclosure . ')/Us', '', $line);
+            // Drop everything that is enclosed to avoid counting false positives in enclosures
+            $enclosure = '(?<!' . preg_quote($this->escapeCharacter, '/') . ')'
+                . preg_quote($this->enclosure, '/');
+            $line = preg_replace('/(' . $enclosure . '.*' . $enclosure . ')/Us', '', $line);
 
-        // See if we have any enclosures left in the line
-        // if we still have an enclosure then we need to read the next line as well
-        if (preg_match('/(' . $enclosure . ')/', $line) > 0) {
-            $line = $this->getNextLine($line);
-        }
+            // See if we have any enclosures left in the line
+            // if we still have an enclosure then we need to read the next line as well
+        } while (preg_match('/(' . $enclosure . ')/', $line) > 0);
 
         return $line;
     }