function &capture_call($func_name, $exp_length, $args = array(), $debug = FALSE, $check_for_warning = TRUE)
{
if ($debug) {
capture_stop();
capture_reset_text();
} else {
capture_reset_and_start();
}
$rval = call_user_func_array($func_name, &$args);
$this->set_text(capture_stop_and_get());
capture_reset_text();
$this->_testFor_string_length($exp_length);
// this is a paranoia check: make sure that no PHP warnings were
// generated, if so, then print a warning and the entire text
if ($check_for_warning && (preg_match('/[<]b[>]Warning[<]\\/b[>]:/', $this->get_text()) || preg_match('/[<]b[>]Fatal error[<]\\/b[>]:/', $this->test_text))) {
print "<b>CaptureCall: Warning: captured text contained a " . "warning message?</b>\n";
$this->print_text_as_html();
}
return $rval;
}
function &capture_stop_and_get()
{
capture_stop();
return join('', $GLOBALS['g_cap_text']);
}