error message:
Warning: Cannot modify header information – headers already sent by (output started at C:\…\…\…\…\filexpto.php:1) in C:\…\…\…\…\….php on line xx
resolution:
open file filexpto.php and add ob_start(); like
<?php ob_start(); ....
ob_start — Turn on output buffering
This function will turn output buffering on. While output buffering is active no output is sent from the script (other than headers), instead the output is stored in an internal buffer.
more in:
http://www.php.net/manual/en/function.ob-start.php
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