復制代碼 代碼如下:

function rt() {
static $i;
echo $i++, '<br />';
rt();
}
rt();
die();

復制代碼 代碼如下:

XG(level)++;
if (XG(level) == XG(max_nesting_level)) {
php_error(E_ERROR, "Maximum function nesting level of '%ld' reached,
aborting!", XG(max_nesting_level));
}