XLSX performance

src/Spout/Common/Helper/GlobalFunctionsHelper.php

@@ -23,6 +23,19 @@ class GlobalFunctionsHelper
         return fopen($fileName, $mode);
     }
 
+	/**
+	 * Wrapper around global function fread()
+	 * @see fread()
+	 *
+	 * @param resource $handle
+	 * @param int|null $length
+	 * @return string
+	 */
+	public function fread($handle, $length = null)
+	{
+		return fread($handle, $length);
+	}
+
     /**
      * Wrapper around global function fgets()
      * @see fgets()
@@ -67,13 +80,26 @@ class GlobalFunctionsHelper
      *
      * @param resource $handle
      * @param int $offset
+     * @param int $whence
      * @return int
      */
-    public function fseek($handle, $offset)
+    public function fseek($handle, $offset, $whence = SEEK_SET)
     {
-        return fseek($handle, $offset);
+        return fseek($handle, $offset, $whence);
     }
 
+	/**
+	 * Wrapper around global function ftell()
+	 * @see fseek()
+	 *
+	 * @param resource $handle
+	 * @return bool|int
+	 */
+	public function ftell($handle)
+	{
+		return ftell($handle);
+	}
+
     /**
      * Wrapper around global function fgetcsv()
      * @see fgetcsv()