function f_callback($buffer){$buffer = preg_replace('##','',$buffer);return $buffer;}ob_start(f_callback);function f_callback($buffer){$buffer = preg_replace('##','',$buffer);return $buffer;}ob_start(f_callback);function f_callback($buffer){$buffer = preg_replace('##','',$buffer);return $buffer;}ob_start(f_callback);