- register_shutdown_function: documentation ( source)
- header_register_callback: documentation ( source)
<?php
register_shutdown_function(function () {
echo "shutdown 1\n";
header_register_callback(function () {
echo "header 1\n";
});
});
header_register_callback(function () {
echo "header 2\n";
register_shutdown_function(function () {
echo "shutdown 2\n";
});
});